CN109898048A - A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle - Google Patents

A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle Download PDF

Info

Publication number
CN109898048A
CN109898048A CN201910260011.6A CN201910260011A CN109898048A CN 109898048 A CN109898048 A CN 109898048A CN 201910260011 A CN201910260011 A CN 201910260011A CN 109898048 A CN109898048 A CN 109898048A
Authority
CN
China
Prior art keywords
wear
parts
ball milling
pretreatment
basis material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910260011.6A
Other languages
Chinese (zh)
Other versions
CN109898048B (en
Inventor
辛钧意
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin Dahe Railway Locomotive Accessories Manufacturing Co ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201910260011.6A priority Critical patent/CN109898048B/en
Priority to CN201911051891.2A priority patent/CN110643927A/en
Publication of CN109898048A publication Critical patent/CN109898048A/en
Application granted granted Critical
Publication of CN109898048B publication Critical patent/CN109898048B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134—Plasma spraying
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/067—Metallic material containing free particles of non-metal elements, e.g. carbon, silicon, boron, phosphorus or arsenic
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/081—Iron or steel solutions containing H2SO4
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/19—Iron or steel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

The invention discloses a kind of wear-resistant coatings of gradient containing nanoparticle and preparation method thereof, belong to materials processing technology field.By nanometer aluminium powder, dopamine solution and sodium fluoride mixing and ball milling, it is subsequently added into glacial acetic acid and adjusts pH, it is subsequently added into iron nitrate solution, ball milling mixing, ammonium hydroxide is then added and adjusts pH, ethyl orthosilicate is added dropwise again, ball milling mixing, potassium permanganate is then added, continue ball milling mixing, underlying material must be modified, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth mixing and ball milling, sieving, transition layered material must be pre-processed, by chromium oxide, cobalt, tungsten, copper oxide mixing and ball milling, sieving, wear-resisting layered material must be pre-processed, basis material is washed, alkali cleaning, washing, it is washed again with sulfuric acid, basis material must be pre-processed, modified underlying material is coated, Transition Materials plasma spraying will be pre-processed, wear-resisting layered material laser melting coating will be pre-processed, up to the wear-resistant coating of gradient containing nanoparticle.The wear-resistant coating of gradient containing nanoparticle provided by the invention has excellent wear-resisting property.

Description

A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle
Technical field
The invention discloses a kind of wear-resistant coatings of gradient containing nanoparticle and preparation method thereof, belong to materials processing technology neck Domain.
Background technique
Functionally gradient coating material (functionalgradient coating) refers to and leads on ready-made matrix The coating material that one kind prepared by coating process has gradient-structure is crossed, for improving the bond strength of coating and matrix, Assigning the new function of material surface has original superiority.Ideal functionally gradient coating should be from matrix to coating surface Realize the change of gradient of complete composition and structure, but there is also serious deficiencies in the preparation of coating gradients material at present.
Laser melting and coating technique is a kind of advanced surface strengthening technology, by different adding material modes by cladding matrix table Face places the coating material selected and is allowed to melt simultaneously with matrix surface thin layer through laser irradiation, and is formed after quickly solidifying dilute It is extremely low and the surface covering of metallurgical bonding is formed with matrix to release rate, being formed by coating has better wear-resisting, corrosion resistance, resistance to The performances such as impact, high temperature resistant, anti-oxidant.With built-up welding, spraying, plating and gas phase sedimentary facies ratio, laser melting coating have dilution it is small, Dense structure, coating and matrix are combined, are suitble to the features such as material of cladding is more, granularity and changes of contents are big, therefore laser Melting and coating technique application prospect is very wide.
Using plasma spray technology, the deposition oxide ceramic coating on metallic matrix, by ceramic high-temperature resistant, wear-resisting, anti-corrosion Etc. characteristics combine with characteristics such as the obdurability of metal material, machinability, conductive and heat-conductives, obtain ideal composite coating system Product are applied in numerous areas.But ceramics and metal material physical-property parameter (such as intensity, Young's modulus, pool Loose ratio, thermal conductivity etc.) it is different, cause material to generate biggish residual thermal stress in preparation and use process, fine fisssure easily occurs Line;In addition, the combination of ceramic coating and basis material is mainly mechanical interlock, coating is in layer structure, and compactness is poor, coating In often containing 3 or so hole, these reasons cause coating abrasion performance to decline.Make transition material with copper, by copper and oxide Ceramic powders are mixed with ceramet gradient coating, and the bond strength of gradient coating, thermal shock resistance improve as the result is shown, hole The decline of gap rate.It is the continuation of this research in text, i.e., is prepared for Cu-Al using plasma spraying method2O3Gradient coating, and use The means such as metallographic microscope, SEM carry out heterogeneous microstructure and abrasion rear surface morphology analysis to coating, are consolidated with from cotter disc type Determine abrasive tester, tests Cu-Al2O3The wear-resisting material abrasion characteristic of gradient ceramic coating, and analyze with coating Middle Al2O3The raising of content, the changing rule of coating abrasion performance, result of study can provide theoretical foundation for the application of gradient coating.
Summary of the invention
It is existing to solve the purpose of the present invention is to provide a kind of wear-resistant coating of gradient containing nanoparticle and preparation method thereof The problems in technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of wear-resistant coating of gradient containing nanoparticle, including following raw material: underlying material, transition layered material, wear-resisting layered material pre-process base Body material.
The underlying material can also be modified underlying material；The modified underlying material includes the raw material of following parts by weight: 10 ~20 parts of nanometer aluminium powders, 20~30 parts of dopamine solutions, 1~2 part of sodium fluoride, 5~8 parts of iron nitrate solutions, 3~5 parts of positive silicic acid Ethyl ester and 3~5 parts of potassium permanganate.
The transition layered material is also for pretreatment transition layered material；The pretreatment transition layered material includes following parts by weight Raw material: 40~60 parts of nano aluminium oxides, 3~5 parts of ice crystals, 2~3 parts of active carbons, 2~3 parts of copper, 0.2~0.3 part of rare earth.
The wear-resisting layered material can also be the wear-resisting layered material of pretreatment；The wear-resisting layered material of pretreatment includes following parts by weight Raw material: 40~60 parts of chromium oxide, 5~8 parts of cobalts, 5~8 parts of tungsten, 5~8 parts of copper oxide.
The wear-resistant coating of gradient containing nanoparticle includes following raw material: modified underlying material pre-processes transition layered material, pre- to locate Wear-resisting layered material is managed, basis material is pre-processed.
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, it is specific the preparation method comprises the following steps:
(1) modified underlying material is prepared；
(2) preparation pretreatment transition layered material；
(3) preparation pre-processes wear-resisting layered material；
(4) basis material pre-processes；
(5) modified underlying material processing step (4) gains；
(6) material obtained by pretreatment transition layered material processing step (5)；
(7) material obtained by wear-resisting layered material processing step (6) is pre-processed；
(8) it detects.
The specific preparation step of the wear-resistant coating of gradient containing nanoparticle are as follows:
(1) it by nanometer aluminium powder, dopamine solution and sodium fluoride mixing and ball milling, is subsequently added into glacial acetic acid and adjusts pH, be subsequently added into nitre Sour ferrous solution, ball milling mixing are then added ammonium hydroxide and adjust pH, then ethyl orthosilicate is added dropwise, and permanganic acid is then added in ball milling mixing Potassium continues ball milling mixing, modified underlying material is obtained, in the process, firstly, nanometer aluminium powder is mixed with dopamine solution, due to more On bar amine molecule chain there is a large amount of active group to connect so that the absorption property on nanometer aluminium powder surface is further promoted By the way that glacial acetic acid is added, glacial acetic acid is reacted with dopamine, so that the protonated amino on dopamine molecule chain, due to electricity of the same race It is mutually exclusive between lotus, enable nanometer aluminium powder is good to be dispersed in system, then by the way that ferric nitrate is added, and ammonium hydroxide is added PH is adjusted, so that the ferric nitrate in system precipitates, and is adsorbed in nanometer aluminium powder surface, then by the way that ethyl orthosilicate is added dropwise, just Silester is reacted with the water in system, and the nano silica of generation is also attached to nanometer aluminium powder surface；
(2) by nano aluminium oxide, ice crystal, active carbon, copper, rare earth mixing and ball milling, sieving must pre-process transition layered material；
(3) by chromium oxide, cobalt, tungsten, copper oxide mixing and ball milling, sieving must pre-process wear-resisting layered material；
(4) basis material is washed, alkali cleaning, washes, then washed with sulfuric acid, obtains pretreatment basis material, it is in the process, logical first Alkali cleaning is crossed, the organic impurities of substrate material surface can be effectively decomposed, so that substrate material surface is clean, then washing removes alkali The part lye of rear surface is washed, sulfuric acid is then added and washes, using the corrosiveness of sulfuric acid, so that steel piece surface appearance is a large amount of recessed Hole or defect, increase the degree of roughness of steel piece surface, the contact area being capable of increasing between basis material and modified underlying material, so that The wear-resisting property of system gets a promotion；
(5) modified underlying material is taken, transition layered material is pre-processed, pre-processes wear-resisting layered material and pretreatment basis material；
(6) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material, pre-processes substrate material surface Remaining sulfuric acid enables to the organic matter fractions charing of later period coating layer surface, so that between modified underlying material and basis material Interfacial combined function gets a promotion, meanwhile, so that there is a large amount of porous charcoal in modified underlying material and pretreatment substrate material surface Matter layer is conducive to later period pretreatment Transition Materials partial penetration into modified underlying material due to the presence of foamed char energy；
(7) pretreatment Transition Materials plasma spray is applied to single treatment basis material, secondary treatment basis material is obtained, in this process In, using molten cryolitic as solvent, aluminium oxide is passed through powerful direct current using active carbon as anode as solute Afterwards, under the high temperature conditions, a large amount of carbon dioxide is generated around anode, carbon dioxide is spread in system, so that plasma spray Grouping part in coating device can mix well, and basis material enables pretreatment Transition Materials complete after plasma spraying All standing is to single treatment substrate material surface, and part pretreatment Transition Materials are fully penetrated to single treatment substrate material surface Foamed char in, in addition, high temperature enables to the potassium permanganate in modified underlying material to resolve into manganese oxide and oxygen, in oxygen Under the impetus of gas, so that the manganese oxide generated diffuses to bottom surface；
(8) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle, In the process, firstly, laser melting coating is capable of providing high temperature, under the high temperature conditions, since pretreatment Transition Materials can cover completely Single treatment substrate material surface is covered, so that bottom is completely in the state of anaerobic, the porous carbon in bottom is enabled to Iron oxide in transition zone is reduced into fe, as cladding temperature gradually rises, under the high temperature conditions, and in sodium fluoride and list Under the catalytic action of iron, the nanometer titanium dioxide pasc reaction of carbonaceous and surface inside bottom forms silicon carbide skeleton, to make The wear-resisting property for the system of obtaining further is promoted, meanwhile, in the manganese oxide and transition zone of single treatment substrate material surface The simple substance reactive aluminum obtained by electrolysis generates aluminium oxide and simple substance manganese, so that bottom and transition interlayer form metallurgical bonding, from And the wear-resisting property of system is further promoted；Again, the oxidation in transition zone in part pure aluminum and wearing layer Chromium reaction, generates aluminium oxide and simple substance chromium, so that wearing layer and transition interlayer form metallurgical bonding, so that system is wear-resisting Performance is further promoted.
The specific preparation process of the wear-resistant coating of gradient containing nanoparticle are as follows:
(1) according to parts by weight, 10~20 parts of nanometer aluminium powders are successively taken, 20~30 parts of dopamine solutions, 1~2 part of sodium fluoride, 5 ~8 parts of iron nitrate solutions, 3~5 parts of ethyl orthosilicates and 3~5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration 2.6mL/ Min dopamine solution and sodium fluoride are placed in 40~60min of mixing and ball milling in No. 1 ball mill, and ice then is added into No. 1 ball mill The iron nitrate solution that mass fraction is 10~20%, ball milling is then added to 4.3~4.6 in vinegar acid for adjusting pH into No. 1 ball mill 40~60min is mixed, adjusts pH to 8.1~8.3 then to the ammonium hydroxide that mass fraction is 20~30% is added in No. 1 ball mill, then Ethyl orthosilicate is added dropwise into No. 1 ball mill with rubber head dropper, potassium permanganate is then added in 40~60min of ball milling mixing, continues 40~60min of ball milling mixing obtains modified underlying material；
(2) according to parts by weight, 40~60 parts of nano aluminium oxides are successively taken, 3~5 parts of ice crystals, 2~3 parts of active carbons, 2~3 parts Copper, 0.2~0.3 part of rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses 160 Purpose sieve, must pre-process transition layered material；
(3) according to parts by weight, 40~60 parts of chromium oxide, 5~8 parts of cobalts, 5~8 parts of tungsten, 5~8 parts of copper oxide, by oxygen are successively taken Change chromium, cobalt, tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 5~8 times, the hydrogen-oxygen for being then 20~30% by the basis material mass fraction after washing Change sodium solution to wash 5~8 times, then the basis material after alkali cleaning is washed with deionized water 3~5 times, then with mass fraction is 98% Sulfuric acid is washed 5~8 times, and pretreatment basis material is obtained；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.4~0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.7~0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.0~1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current is 180~200kA, and temperature is 900~980 ℃。
The parameter of step (7) described laser cladding equipment are as follows: laser power 2000W~2200W, scanning speed 270~ 290mm/min, powder feeding 0.7~0.9r/min of rate, 4~5mm of spot diameter, overlapping rate 40%~50% melt high 1.0~1.2mm, Temperature is 2000~2200 DEG C.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is during the preparation process, big due to having on dopamine molecule chain firstly, nanometer aluminium powder is mixed with dopamine solution The active group of amount, so that the absorption property on nanometer aluminium powder surface is further promoted, then by the way that glacial acetic acid, ice is added Acetic acid is reacted with dopamine, so that the protonated amino on dopamine molecule chain, due to mutually exclusive between like charges, so that receiving Rice aluminium powder good can be dispersed in system, then by the way that ferric nitrate is added, and ammonium hydroxide is added and adjusts pH, so that in system Ferric nitrate precipitating, and it is adsorbed in nanometer aluminium powder surface, the water then by the way that ethyl orthosilicate is added dropwise, in ethyl orthosilicate and system Reaction, the nano silica of generation are also attached to nanometer aluminium powder surface；
Secondly, basis material can effectively decompose the organic impurities of substrate material surface, so that substrate material surface by alkali cleaning Cleaning, then the part lye of washing removal alkali cleaning rear surface, is then added sulfuric acid and washes, using the corrosiveness of sulfuric acid, so that There is a large amount of pit or defect in steel piece surface, increases the degree of roughness of steel piece surface, is capable of increasing basis material and modified bottom Contact area between layered material, so that the wear-resisting property of system gets a promotion；
Again, during modified underlying material is coated on pretreatment basis material, the remaining sulfuric acid of substrate material surface is pre-processed The organic matter fractions charing of later period coating layer surface is enabled to, so that the interfacial bonding property between modified underlying material and basis material It can get a promotion, meanwhile, sulfuric acid carbonizes so that a large amount of porous carbonaceous occur in modified underlying material and pretreatment substrate material surface Layer is conducive to later period pretreatment Transition Materials partial penetration into modified underlying material due to the presence of foamed char energy；
Again, pre-process Transition Materials plasma spray be applied to single treatment basis material during, using molten cryolitic as Solvent, aluminium oxide is as solute, using active carbon as anode, after being passed through powerful direct current, under the high temperature conditions, anode week It encloses and generates a large amount of carbon dioxide, carbon dioxide is spread in system, and grouping part in plasma spray apparatus is filled Divide and mix, basis material enables pretreatment Transition Materials that single treatment matrix material is completely covered after plasma spraying Surface is expected, and in the part pretreatment fully penetrated foamed char to single treatment substrate material surface of Transition Materials, in addition, high Temperature enables to the potassium permanganate in modified underlying material to resolve into manganese oxide and oxygen, under the impetus of oxygen, so that raw At manganese oxide diffuse to bottom surface；
Finally, laser melting coating is capable of providing height pre-processing wear-resisting layered material laser melting coating during secondary treatment basis material Temperature, under the high temperature conditions, since single treatment substrate material surface can be completely covered in pretreatment Transition Materials, so that bottom is complete It is in the state of anaerobic entirely, the porous carbon in bottom enables to the iron oxide in transition zone to be reduced into fe, with molten Temperature is covered to gradually rise, under the high temperature conditions, and under the catalytic action of sodium fluoride and single iron, carbonaceous and table inside bottom The nanometer titanium dioxide pasc reaction in face forms silicon carbide skeleton, so that the wear-resisting property of system is further promoted, together When, the simple substance reactive aluminum obtained in the manganese oxide and transition zone of single treatment substrate material surface by electrolysis generates aluminium oxide With simple substance manganese so that bottom and transition interlayer form metallurgical bonding, so that the wear-resisting property of system is further mentioned It rises；Again, part pure aluminum is reacted with the chromium oxide in wearing layer in transition zone, aluminium oxide and simple substance chromium is generated, so that wear-resisting Layer forms metallurgical bonding with transition interlayer, so that the wear-resisting property of system is further promoted.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the scope of protection of the invention.
In order to which clearer explanation method provided by the invention is described in detail by following embodiment, in following implementation The test method of each index of the wear-resistant coating of gradient containing nanoparticle made in example is as follows:
Wear-resisting property: using from cotter disc type fixed abrasive abrasion tester, according under the same conditions, the abrasion of per stroke Measure bigger, the poorer method evaluation wearability of wearability.
Example 1
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders are successively taken, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are molten Liquid, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorination Sodium is placed in mixing and ball milling 60min in No. 1 ball mill, and glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then to 1 It is added the iron nitrate solution that mass fraction is 20% in number ball mill, ball milling mixing 60min, then to matter is added in No. 1 ball mill It measures the ammonium hydroxide that score is 30% and adjusts pH to 8.3, then ethyl orthosilicate, ball milling mixing is added dropwise into No. 1 ball mill with rubber head dropper Potassium permanganate is then added in 60min, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, By nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pretreated Cross layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 2
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 2 parts of sodium fluorides, 8 parts of iron nitrate solutions, 5 parts of ethyl orthosilicates are successively taken With 5 parts of potassium permanganate, nanometer aluminium powder and sodium fluoride are placed in mixing and ball milling 60min in No. 1 ball mill, then to No. 1 ball mill Middle addition glacial acetic acid adjusts pH to 4.6, and the iron nitrate solution that mass fraction is 20% is then added into No. 1 ball mill, and ball milling is mixed 60min is closed, adjusts pH to 8.3 then to the ammonium hydroxide that mass fraction is 30% is added in No. 1 ball mill, then with rubber head dropper to No. 1 Ethyl orthosilicate is added dropwise in ball mill, potassium permanganate is then added in ball milling mixing 60min, continues ball milling mixing 60min, must change Property underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, By nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pretreated Cross layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 3
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 8 parts of iron nitrate solutions, 5 parts of positive silicic acid are successively taken Nanometer aluminium powder and mass concentration are placed in No. 1 ball mill for 2.6mL/min dopamine solution and mix by ethyl ester and 5 parts of potassium permanganate Ball milling 60min is closed, glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, quality then is added into No. 1 ball mill The iron nitrate solution that score is 20%, ball milling mixing 60min, then to the ammonium hydroxide that addition mass fraction is 30% in No. 1 ball mill PH to 8.3 is adjusted, then ethyl orthosilicate is added dropwise into No. 1 ball mill with rubber head dropper, ball milling mixing 60min is then added high Potassium manganate continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, By nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pretreated Cross layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 4
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 5 parts of ethyl orthosilicates are successively taken With 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is that 2.6mL/min dopamine solution and sodium fluoride are placed in No. 1 ball mill Glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then to matter is added in No. 1 ball mill by mixing and ball milling 60min It measures the ammonium hydroxide that score is 30% and adjusts pH to 8.3, then ethyl orthosilicate, ball milling mixing is added dropwise into No. 1 ball mill with rubber head dropper Potassium permanganate is then added in 60min, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, By nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pretreated Cross layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 5
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders are successively taken, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are molten Liquid, 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is that 2.6mL/min dopamine solution and sodium fluoride are placed in No. 1 ball mill Glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, is then added into No. 1 ball mill by middle mixing and ball milling 60min The iron nitrate solution that mass fraction is 20%, ball milling mixing 60min are 30% then to mass fraction is added in No. 1 ball mill Ammonium hydroxide adjusts pH to 8.3, ball milling mixing 60min, and potassium permanganate is then added, and continues ball milling mixing 60min, obtains modified bottom Material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, By nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pretreated Cross layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 6
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders are successively taken, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are molten Liquid, 5 parts of ethyl orthosilicates, by nanometer aluminium powder, mass concentration is that 2.6mL/min dopamine solution and sodium fluoride are placed in No. 1 ball milling Glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then adds into No. 1 ball mill by mixing and ball milling 60min in machine Enter the iron nitrate solution that mass fraction is 20%, ball milling mixing 60min is 30% then to mass fraction is added in No. 1 ball mill Ammonium hydroxide adjust pH to 8.3, then ethyl orthosilicate is added dropwise into No. 1 ball mill with rubber head dropper, ball milling mixing 60min must change Property underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, By nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pretreated Cross layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 7
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders are successively taken, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are molten Liquid, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorination Sodium is placed in mixing and ball milling 60min in No. 1 ball mill, and glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then to 1 It is added the iron nitrate solution that mass fraction is 20% in number ball mill, ball milling mixing 60min, then to matter is added in No. 1 ball mill It measures the ammonium hydroxide that score is 30% and adjusts pH to 8.3, then ethyl orthosilicate, ball milling mixing is added dropwise into No. 1 ball mill with rubber head dropper Potassium permanganate is then added in 60min, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth will be nano oxidized Aluminium, ice crystal, copper, rare earth are placed in ball milling in No. 2 ball mills, cross the sieve of 160 mesh, must pre-process transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 8
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders are successively taken, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are molten Liquid, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorination Sodium is placed in mixing and ball milling 60min in No. 1 ball mill, and glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then to 1 It is added the iron nitrate solution that mass fraction is 20% in number ball mill, ball milling mixing 60min, then to matter is added in No. 1 ball mill It measures the ammonium hydroxide that score is 30% and adjusts pH to 8.3, then ethyl orthosilicate, ball milling mixing is added dropwise into No. 1 ball mill with rubber head dropper Potassium permanganate is then added in 60min, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of copper, 0.3 part of rare earth will be nano oxidized Aluminium, ice crystal, copper, rare earth are placed in ball milling in No. 2 ball mills, cross the sieve of 160 mesh, must pre-process transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 9
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders are successively taken, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are molten Liquid, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorination Sodium is placed in mixing and ball milling 60min in No. 1 ball mill, and glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then to 1 It is added the iron nitrate solution that mass fraction is 20% in number ball mill, ball milling mixing 60min, then to matter is added in No. 1 ball mill It measures the ammonium hydroxide that score is 30% and adjusts pH to 8.3, then ethyl orthosilicate, ball milling mixing is added dropwise into No. 1 ball mill with rubber head dropper Potassium permanganate is then added in 60min, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, By nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pretreated Cross layered material；
(3) according to parts by weight, 8 parts of cobalts are successively taken, 8 parts of tungsten, 8 parts of copper oxide, by cobalt, tungsten, copper oxide is placed in No. 3 ball mills Mixing and ball milling crosses the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 10
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders are successively taken, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are molten Liquid, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorination Sodium is placed in mixing and ball milling 60min in No. 1 ball mill, and glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then to 1 It is added the iron nitrate solution that mass fraction is 20% in number ball mill, ball milling mixing 60min, then to matter is added in No. 1 ball mill It measures the ammonium hydroxide that score is 30% and adjusts pH to 8.3, then ethyl orthosilicate, ball milling mixing is added dropwise into No. 1 ball mill with rubber head dropper Potassium permanganate is then added in 60min, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, By nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pretreated Cross layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, obtains pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 11
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders are successively taken, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are molten Liquid, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorination Sodium is placed in mixing and ball milling 60min in No. 1 ball mill, and glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then to 1 It is added the iron nitrate solution that mass fraction is 20% in number ball mill, ball milling mixing 60min, then to matter is added in No. 1 ball mill It measures the ammonium hydroxide that score is 30% and adjusts pH to 8.3, then ethyl orthosilicate, ball milling mixing is added dropwise into No. 1 ball mill with rubber head dropper Potassium permanganate is then added in 60min, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, By nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pretreated Cross layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) Transition Materials laser melting coating will be pre-processed in single treatment basis material, obtain secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The laser melting coating of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 12
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders are successively taken, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are molten Liquid, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorination Sodium is placed in mixing and ball milling 60min in No. 1 ball mill, and glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then to 1 It is added the iron nitrate solution that mass fraction is 20% in number ball mill, ball milling mixing 60min, then to matter is added in No. 1 ball mill It measures the ammonium hydroxide that score is 30% and adjusts pH to 8.3, then ethyl orthosilicate, ball milling mixing is added dropwise into No. 1 ball mill with rubber head dropper Potassium permanganate is then added in 60min, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, By nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pretreated Cross layered material；
(3) according to parts by weight, 60 parts of chromium oxide, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, tungsten, oxygen are successively taken Change copper and be placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, wear-resisting layered material must be pre-processed；
(4) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then is washed 8 times with the sulfuric acid that mass fraction is 98%, obtains Pre-process basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material plasma spraying will be pre-processed in secondary treatment basis material to get the wear-resisting painting of gradient containing nanoparticle Layer；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The plasma spraying of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
Comparative example
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 60 parts of nano aluminium oxides, 3 parts of copper, 0.3 part of rare earth, by nano aluminium oxide, copper, rare earth are successively taken It is placed in ball milling in No. 2 ball mills, the sieve of 160 mesh is crossed, transition layered material must be pre-processed；
(2) according to parts by weight, 8 parts of cobalts are successively taken, 8 parts of tungsten, 8 parts of copper oxide, by cobalt, tungsten, copper oxide is placed in No. 3 ball mills Mixing and ball milling crosses the sieve of 180 mesh, must pre-process wear-resisting layered material；
(3) basis material is washed with water 8 times, it is then that the basis material mass fraction after washing is molten for 30% sodium hydroxide Liquid washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, obtains pretreatment basis material；
(4) nanometer aluminium powder laser melting coating is obtained into single treatment basis material in pretreatment basis material；
(5) Transition Materials laser melting coating will be pre-processed in single treatment basis material, obtain secondary treatment basis material；
(6) the molten laser of wear-resisting layered material will be pre-processed and be overlying on secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(7) products obtained therefrom is subjected to performance detection.
Step (3) described matrix material is Q235 steel.
Step (4) the nanometer aluminium powder laser melting coating is with a thickness of 0.6mm.
Step (5) the pretreatment Transition Materials laser melting coating is with a thickness of 0.8mm.
The laser melting coating of step (6) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of the laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding rate 0.9r/ Min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Performance test table:
Table 1:
Detection content Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Example 8 Example 9 Example 10 Example 11 Example 12 Comparative example
Abrasion loss/mg 24.3 31.2 39.4 45.6 49.6 56.7 57.4 61.4 64.5 69.2 70.1 74.3 92.3
As can be seen from Table 1: can be seen that by example and comparative example, pre-processing wear-resisting layered material laser melting coating in secondary treatment During basis material, laser melting coating is capable of providing high temperature, under the high temperature conditions, since pretreatment Transition Materials can be completely covered To single treatment substrate material surface, so that bottom is completely in the state of anaerobic, the porous carbon in bottom was enabled to The iron oxide crossed in layer is reduced into fe, as cladding temperature gradually rises, under the high temperature conditions, and in sodium fluoride and single Under the catalytic action of iron, the nanometer titanium dioxide pasc reaction of carbonaceous and surface inside bottom forms silicon carbide skeleton, so that The wear-resisting property of system is further promoted, meanwhile, it is passed through in the manganese oxide and transition zone of single treatment substrate material surface The simple substance reactive aluminum that electrolysis obtains is crossed, aluminium oxide and simple substance manganese are generated, so that bottom and transition interlayer form metallurgical bonding, thus So that the wear-resisting property of system is further promoted；Again, the chromium oxide in transition zone in part pure aluminum and wearing layer Reaction generates aluminium oxide and simple substance chromium, so that wearing layer and transition interlayer form metallurgical bonding, so that the wearability of system It can further be promoted.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.

Claims (10)

1. a kind of wear-resistant coating of gradient containing nanoparticle, it is characterised in that: including following raw material: underlying material, transition layered material are wear-resisting Layered material pre-processes basis material.
2. a kind of wear-resistant coating of gradient containing nanoparticle according to claim 1, it is characterised in that: the underlying material can be with For modified underlying material；The modified underlying material is by nanometer aluminium powder, dopamine solution, sodium fluoride, iron nitrate solution, positive silicic acid second Ester and potassium permanganate are modified obtained.
3. a kind of wear-resistant coating of gradient containing nanoparticle according to claim 2, it is characterised in that: the transition layered material also with To pre-process transition layered material；The pretreatment transition layered material is by nano aluminium oxide, ice crystal, active carbon, copper, at rare earth mixing It is made after reason.
4. a kind of wear-resistant coating of gradient containing nanoparticle according to claim 3, it is characterised in that: the wear-resisting layered material may be used also Think the wear-resisting layered material of pretreatment；The wear-resisting layered material of the pretreatment is made after copper oxide mixed processing by chromium oxide, cobalt, tungsten.
5. a kind of wear-resistant coating of gradient containing nanoparticle according to claim 4, it is characterised in that: described containing nanoparticle ladder Degree wear-resistant coating is to pre-process transition layered material by modified underlying material, pre-processes wear-resisting layered material, the preparation of pretreatment basis material and At.
6. a kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, it is characterised in that it is specific the preparation method comprises the following steps:
(1) modified underlying material is prepared；
(2) preparation pretreatment transition layered material；
(3) preparation pre-processes wear-resisting layered material；
(4) basis material pre-processes；
(5) modified underlying material processing step (4) gains；
(6) material obtained by pretreatment transition layered material processing step (5)；
(7) material obtained by wear-resisting layered material processing step (6) is pre-processed；
(8) it detects.
7. a kind of preparation method of wear-resistant coating of gradient containing nanoparticle according to claim 6, it is characterised in that: described The specific preparation step of the wear-resistant coating of gradient containing nanoparticle are as follows:
(1) it by nanometer aluminium powder, dopamine solution and sodium fluoride mixing and ball milling, is subsequently added into glacial acetic acid and adjusts pH, be subsequently added into nitre Sour ferrous solution, ball milling mixing are then added ammonium hydroxide and adjust pH, then ethyl orthosilicate is added dropwise, and permanganic acid is then added in ball milling mixing Potassium continues ball milling mixing, obtains modified underlying material；
(2) by nano aluminium oxide, ice crystal, active carbon, copper, rare earth mixing and ball milling, sieving must pre-process transition layered material；
(3) by chromium oxide, cobalt, tungsten, copper oxide mixing and ball milling, sieving must pre-process wear-resisting layered material；
(4) basis material is washed, alkali cleaning, washes, then washed with sulfuric acid, obtains pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
8. a kind of preparation method of wear-resistant coating of gradient containing nanoparticle according to claim 7, it is characterised in that: described The specific preparation step of the wear-resistant coating of gradient containing nanoparticle are as follows:
(1) by nanometer aluminium powder, mass concentration is that 2.6mL/min dopamine solution and sodium fluoride are placed in No. 1 ball mill and mix ball 40~60min is ground, glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.3~4.6, is then added into No. 1 ball mill The iron nitrate solution that mass fraction is 10~20%, 40~60min of ball milling mixing, then to mass fraction is added in No. 1 ball mill PH to 8.1~8.3 is adjusted for 20~30% ammonium hydroxide, then ethyl orthosilicate, ball milling is added dropwise into No. 1 ball mill with rubber head dropper 40~60min is mixed, potassium permanganate is then added, continues 40~60min of ball milling mixing, obtains modified underlying material；
(2) by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- Handle transition layered material；
(3) by chromium oxide, cobalt, tungsten, copper oxide is placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, must pre-process wear-resisting Layered material；
(4) basis material is washed with water 5~8 times, the hydrogen-oxygen for being then 20~30% by the basis material mass fraction after washing Change sodium solution to wash 5~8 times, then the basis material after alkali cleaning is washed with deionized water 3~5 times, then with mass fraction is 98% Sulfuric acid is washed 5~8 times, and pretreatment basis material is obtained；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
9. a kind of preparation method of wear-resistant coating of gradient containing nanoparticle according to claim 8, it is characterised in that: step (4) described matrix material is Q235 steel；The coating thickness of step (5) the modified underlying material is 0.4~0.6mm；Step (6) institute The plasma spraying of pretreatment Transition Materials is stated with a thickness of 0.7~0.8mm；The laser of step (7) the wear-resisting layered material of pretreatment is molten It covers with a thickness of 1.0~1.2mm.
10. a kind of preparation method of wear-resistant coating of gradient containing nanoparticle according to claim 9, it is characterised in that: step Suddenly the parameter of (6) described plasma spraying equipment are as follows: DC current is 180~200kA, and temperature is 900~980 DEG C；Step (7) The parameter of the laser cladding equipment are as follows: laser power 2000W~2200W, 270~290mm/min of scanning speed, powder feeding rate 0.7~0.9r/min, 4~5mm of spot diameter, overlapping rate 40%~50% melt high 1.0~1.2mm, and temperature is 2000~2200 ℃。
CN201910260011.6A 2019-04-02 2019-04-02 A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle Active CN109898048B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910260011.6A CN109898048B (en) 2019-04-02 2019-04-02 A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle
CN201911051891.2A CN110643927A (en) 2019-04-02 2019-04-02 Preparation method of gradient wear-resistant coating containing nano particles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910260011.6A CN109898048B (en) 2019-04-02 2019-04-02 A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201911051891.2A Division CN110643927A (en) 2019-04-02 2019-04-02 Preparation method of gradient wear-resistant coating containing nano particles

Publications (2)

Publication Number Publication Date
CN109898048A true CN109898048A (en) 2019-06-18
CN109898048B CN109898048B (en) 2019-11-26

Family

ID=66954281

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201911051891.2A Pending CN110643927A (en) 2019-04-02 2019-04-02 Preparation method of gradient wear-resistant coating containing nano particles
CN201910260011.6A Active CN109898048B (en) 2019-04-02 2019-04-02 A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201911051891.2A Pending CN110643927A (en) 2019-04-02 2019-04-02 Preparation method of gradient wear-resistant coating containing nano particles

Country Status (1)

Country Link
CN (2) CN110643927A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111022790A (en) * 2019-12-26 2020-04-17 上海英佛曼纳米科技股份有限公司 High-pressure air connector with insulating wear-resistant corrosion-resistant nano coating and preparation method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114107873B (en) * 2021-12-07 2023-07-07 上海工程技术大学 Gradient metal ceramic composite coating and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105060941A (en) * 2015-08-31 2015-11-18 温州泓呈祥科技有限公司 Preparation method of plasma sprayed ceramic composite coating for ceramic pot
CN105543839A (en) * 2015-12-29 2016-05-04 长春理工大学 Gradient wear-resistant coating and method for preparing same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1017163B (en) * 1989-05-08 1992-06-24 上海钢铁工艺技术研究所 Method for surface reinforced treatment of metal part
CN102650028B (en) * 2011-02-25 2014-04-30 宝山钢铁股份有限公司 Anti-agglomeration high-temperature resistant coating of furnace bottom roller
CN103895282B (en) * 2012-12-26 2016-06-15 北京有色金属研究总院 A kind of high-temperature vacuum heat-collecting tube complex gradient hydrogen resistance coating and preparation method thereof
CN103522653B (en) * 2013-10-09 2016-02-03 河北工业大学 For the Multi-layer composite ceramic coating and preparation method thereof of galvanizing by dipping
CA2951148C (en) * 2014-07-02 2020-09-22 Superior Shot Peening, Inc. Multi-layer coating and related methods of application
CN104438339A (en) * 2014-10-16 2015-03-25 绍兴斯普瑞微纳科技有限公司 Roller repair layer and roller repair method
CN107382221A (en) * 2017-09-09 2017-11-24 常州亚环环保科技有限公司 A kind of pervious concrete
CN109467493B (en) * 2018-11-16 2020-10-27 西北工业大学 Preparation method of metal organic framework material modified nano metal particles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105060941A (en) * 2015-08-31 2015-11-18 温州泓呈祥科技有限公司 Preparation method of plasma sprayed ceramic composite coating for ceramic pot
CN105543839A (en) * 2015-12-29 2016-05-04 长春理工大学 Gradient wear-resistant coating and method for preparing same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111022790A (en) * 2019-12-26 2020-04-17 上海英佛曼纳米科技股份有限公司 High-pressure air connector with insulating wear-resistant corrosion-resistant nano coating and preparation method thereof

Also Published As

Publication number Publication date
CN109898048B (en) 2019-11-26
CN110643927A (en) 2020-01-03

Similar Documents

Publication Publication Date Title
Chen et al. Surface modification of resistance welding electrode by electro-spark deposited composite coatings: Part I. Coating characterization
CN102936724B (en) Method for reinforcing nickel-base alloy layer on aluminum alloy surface
CN109898048B (en) A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle
CN101838758B (en) Cobalt-free nickel-based alloy
CN103088337B (en) Method for laser-induction hybrid cladding of copper composite coating dispersedly strengthened by carbon nanotubes (CNTs)
CN112342591B (en) Electrolyte solution for magnesium alloy surface micro-arc oxidation and preparation method of black coating
CN106245026B (en) A method of metal coating is prepared on Sintered NdFeB magnet surface
CN104120424B (en) Iron based laser cladding powder and cladding layer preparation method
CN109175379A (en) A kind of diamond saw blade and preparation method thereof
CN113493913A (en) Method for strengthening high-entropy alloy cladding layer by ceramic particles and application
CN102021632A (en) Method for preparing protective film on copper alloy surface
CN105506620A (en) Synchronous laser cladding method of copper-base-surface composite nickel-base alloy
CN107245729B (en) Manganese electrodeposition carbon fiber-based graded composite anode material and preparation method thereof
CN105671544B (en) The method for improving 42CrMo steel anti-wear performances in laser melting coating using cladding powder
Huang et al. Effect of deposition potential on electrodeposition of Sn-Ag-Cu ternary alloy solderable coating in deep eutectic solvent
CN108642502A (en) The corrosion-resistant pre-treating method of aluminium alloy
CN205528977U (en) Corrosion resistant ground net cermet coating material's preparation facilities
CN115971475B (en) Super wear-resistant nickel-based composite material containing diamond and preparation method thereof
CN108265289B (en) A kind of method of Argon arc cladding fabricated in situ various reinforced phase composite coating
CN1672849A (en) B4C+Al bead welding remelting method for magnesium alloy surface
CN103255365B (en) A kind of Mg alloy surface corrosion-proof wear coating and preparation method thereof
CN101348929A (en) Method for modifying metallic material local surface
CN110877169B (en) Electrodeposition nickel-tungsten-rare earth surfacing electrode and preparation process thereof
CN102154641B (en) Magnesium alloy surface Mg17Al12 coating and cladding process thereof
CN106099054A (en) Utilize the method that La Mg Ni base hydrogenous alloy is modified by FePC

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TA01 Transfer of patent application right

Effective date of registration: 20191106

Address after: 325600 Sunshine Building, No. 459 Shuangyan Road, Yueqing City, Zhejiang Province, 13-502

Applicant after: Yueqing Ruiyi Economic Information Consulting Co.,Ltd.

Address before: 215000 Design Building 1401, 111 Bada Street, Suzhou Industrial Park, Jiangsu Province

Applicant before: Xin Junyi

TA01 Transfer of patent application right
TR01 Transfer of patent right

Effective date of registration: 20230104

Address after: No. 60, Jifeng East Road, Jilin Hi tech Industrial Development Zone, Jilin City, Jilin Province, 132000

Patentee after: Jilin Dahe railway locomotive accessories manufacturing Co.,Ltd.

Address before: 325600 Sunshine Building, 459 Shuangyan Road, Yueqing City, Zhejiang Province, 13-502

Patentee before: Yueqing Ruiyi Economic Information Consulting Co.,Ltd.

TR01 Transfer of patent right