CN108754462A - A kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner - Google Patents
A kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner Download PDFInfo
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- CN108754462A CN108754462A CN201810755824.8A CN201810755824A CN108754462A CN 108754462 A CN108754462 A CN 108754462A CN 201810755824 A CN201810755824 A CN 201810755824A CN 108754462 A CN108754462 A CN 108754462A
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- 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
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
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- C23C18/1601—Process or apparatus
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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Abstract
The invention discloses a kind of preparation methods of nano aluminium oxide reinforcement wear-resistant liner, belong to technical field of metal material preparation.Cerium oxide in the present invention in ceramic meal component is the strongest oxide of activity in rare earth oxide,It can reinforce ceramic powder and the intermolecular atomic orbital reciprocation of the substrate casting of coating in composite plating bath,Improve the high temperature resistance of wear-resistant liner,When using composite plating bath dip-coating substrate plate in the present invention,Alumina hydrate particle absorption surrounding metal ion in composite plating bath and it is positively charged,Alumina hydrate particle constantly basad plate surface migration under the action of electrostatic attraction,Alumina hydrate particle contact is to ground plane surface,The pellumina of high-density ultra-fine grain size can reduce the Akron abrasion volume of wear-resistant liner,The binding force of Metal-ceramie powder and substrate plate can be improved by nano alumina particles,It is not easy to peel off and keeps high-compactness,It is not likely to produce abrasion,To improve the wear-resisting property of wear-resistant liner,It has a extensive future.
Description
Technical field
The invention discloses a kind of preparation methods of nano aluminium oxide reinforcement wear-resistant liner, belong to metal material technology of preparing
Field.
Background technology
Wear-resistant liner refers to that wear-resisting steel plate is process respectively by production technologies such as cutting, roll bending deformation, punching and welding
Kind wear-resistant liner, such as conveyer liner plate, feeder bottom plate/cyclone separator back taper and liner plate, abrasion-resistant blade, friction durability can
15 times or more are improved than general steel plate.
Wear-resistant material is a kind of more special material, it is chiefly used in the occasion in the presence of abrasion, such as：Mining machinery, engineering
The machine components to interact with materials such as soil sand, ore, rock, cement in machinery, powder apparatus；Grain and oil processing, farming are received
Cut equal agricultural machinery；Many component of machine in water conservancy and steam power plant；The tooth of human body, sole, pen tip and a variety of
Life product etc..It can be said that wear-resistant material is each in metallurgy, building materials, mine, harbour, oil, electric power, coal, chemical industry and military affairs etc.
Generally existing and everyone life are closely bound up in a industrial circle.
The working environment of wear-resistant material is extremely complex, some wear-resistant materials are needed in heavy duty, impact, burn into dust, steamed
It works under the conditions of the bad working environments such as vapour, dregs, is frequently utilized for the occasions such as mine, machinery, water power, coal, harbour, metallurgy, these
Environment can cause the huge loss and energy waste of wear-resistant material, this part wear-resistant material to be wrapped in occupation of the main body of wear-resistant material
Include wear resistant cast iron and abrasion resistant cast steel two large divisions.
China will consume about 200,000 tons of lining board of grinder, about 200,000 tons of lining board of crusher every year, therefore reduce lining material
Loss has highly important economic implications.Successively potassium steel, ordinary white cast iron, ni-hard cast iron, rich chromium cast iron is experienced to arrive
The developing stage of several materials such as Hadfield steel and the various middle-low alloy steels smelted by Q-tempering technique.It is each at present
Liner material quality used in industry mainly has several single metal materials such as potassium steel, Low Alloying Multicomponent Steels, Cr series white cast iron, no
The indentation and stroke of abrasive material can be resisted, surface generates a large amount of cutting abrasion and flow low-cycle fatigue in use, wear-resistant
Grinding abrasion performance is poor, and poor toughness, is easy to peel off and be broken.
Therefore, invent that a kind of polishing machine is good and the nano aluminium oxide reinforcement wear-resistant liner of good toughness prepares metal material
Technical field has positive effect.
Invention content
Present invention mainly solves the technical issues of, mainly have potassium steel, more for the liner material quality used in current every profession and trade
Several single metal materials such as first low-alloy steel, Cr series white cast iron, when high temperature hardness reduce the indentation that cannot resist abrasive material and
Stroke, a large amount of cutting abrasion of surface generation and flow low-cycle fatigue in use, abrasive wear resistant weld deposit performance is poor, and
Poor toughness is easy to peel off and be broken, provides a kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner, it is characterised in that specifically preparation process is：
（1）It counts in parts by weight, by 30~35 parts of barium monoxide, 16~18 parts of boron oxides, 13~15 parts of aluminium oxide, 25~30 parts of oxygen
Change cerium and 3~5 parts of zirconium oxide mixing are put into corundum crucible, corundum crucible is moved into Muffle furnace, heat temperature raising, heat preservation is burnt
Knot takes out corundum crucible and obtains rare-earth ceramic block with water quenching cold treatment；
（2）Rare-earth ceramic block is put into 3~4h of grinding in mortar, sieving obtains ceramic powder, suitable steel plate casting taken, with 400
Mesh sand paper 8~10min of polishing, then surface of steel plate is cleaned with acetone, sodium hydroxide solution is prepared, heating obtains lye, uses lye
After cleaning steel plate 10~15min, then rinses steel plate with deionized water and obtain substrate plate 3~4 times；
（3）Count in parts by weight, by 1~2 part of nickel powder, 10~12 parts of ferromanganese, 30~33 parts of ferrochrome, 20~21 parts of molybdenum-irons, 30~
35 parts of ceramic powders are mixed to get cermet powder, 70~80 parts of cermet powders are placed in planetary ball mill, to planet
60~70 parts of polyvinyl alcohol water solutions are poured into ball mill, ball milling obtains cermet slurry；
（4）Nanometer aluminium powder is washed with sulfuric acid solution, then secondary cleaning is carried out to nanometer aluminium powder with deionized water, by weight
Number meter, by 30~35 parts of nickel sulfate hexahydrates, 20~30 parts of hydrazine hydrates, 10~15 parts of sodium hydroxide solutions, 30~40 parts go from
Sub- water and 20~25 parts of nanometer aluminium powder mixing are placed in beaker, obtain chemical plating solution；
（5）Cermet slurry is placed in baking oven, heat temperature raising, it is dry, cermet dry powder is obtained, by 70~80g metals
After ceramic powder is scattered in 200~220mL chemical plating solutions, it is placed in high speed dispersor, high speed dispersion obtains composite plating bath,
Substrate plate is immersed in composite plating bath, continues coated substrate plate surface with composite plating bath after substrate plate is taken out, obtains dip-coating plate；
（6）Dip-coating plate is placed in vacuum metallurgy sintering furnace, to vacuum metallurgy be sintered stove evacuation, heat temperature raising, isothermal holding,
Continue to heat up, heat preservation sintering, oil quenching after taking-up, then be tempered heating, soaking time after cooled to room temperature, obtains nano oxygen
Change aluminium reinforcement wear-resistant liner.
Step（1）The heat temperature raising is 1450~1500 DEG C, and the heat preservation sintering time is 2~3h, and water quenching temperature is
20~25 DEG C, quenching processing time is 20~25min.
Step（2）Be sieved specification is 400 mesh after the grinding, and the mass fraction of sodium hydroxide solution is 20%, lye
Heat temperature raising is 60~70 DEG C.
Step（3）The mass fraction of the polyvinyl alcohol water solution is 20%, and rotational speed of ball-mill is 700~800r/min, ball
Time consuming is 6~7h.
Step（4）The mass fraction of the sulfuric acid solution is 20%, and the mass fraction of sodium hydroxide solution is 20%.Step
（5）The heat temperature raising be 80~90 DEG C, drying time be 20~for 24 hours, high speed dispersion rotating speed be 3000~4000r/min,
The high speed dispersion time is 20~25min, and it is 1~2h to immerse the time in composite plating bath, and control coating layer thickness is 2~4mm.
Step（6）Described is evacuated to vacuum degree as 40~50Pa to vacuum metallurgy sintering furnace, and heating rate is 4~5
DEG C/min, heat temperature raising is 700~800 DEG C, and the isothermal holding time is 2~3h, and it is 1050~1100 DEG C to continue heating, and heat preservation is burnt
30~35min of knot, tempering heating-up temperature are 250~260 DEG C, and soaking time is 2~3h.
The beneficial effects of the invention are as follows：
（1）Barium monoxide, boron oxide, aluminium oxide, cerium oxide, zirconium oxide are mixed to be put into Muffle furnace after sintered molten by the present invention to be quenched
Cold treatment obtains rare-earth ceramic block, ground to obtain ceramic powder, and strip steel plate is cleaned with acetone and heat alkali liquid, obtains substrate
Plate is mixed to get cermet powder as raw material using nickel powder and ceramic powder, adds polyvinyl alcohol water solution, gold is obtained by ball milling
Belong to ceramic slurry, it is molten by chemical plating is mixed to get with nickel sulfate hexahydrate and sodium hydroxide and other matter after nanometer aluminium powder sulfuric acid cleaned
Liquid dries cermet slurry to obtain cermet dry powder, using chemical plating solution as dispersant dispersed metal ceramic powder, warp
High speed dispersor disperses to obtain composite plating bath, obtains dip-coating plate with composite plating bath dip-coating substrate plate, and in the vacuum of argon gas atmosphere
Metallurgy sintered stove high temperature is sintered to obtain nano aluminium oxide reinforcement wear-resistant liner, and the cerium oxide in of the invention in ceramic meal component is
The strongest oxide of activity in rare earth oxide, it is intermolecular that it can reinforce ceramic powder and the substrate casting of coating in composite plating bath
Atomic orbital reciprocation, reduce the activation energy of interfacial reaction, promote the generation of interfacial reaction, make in ceramic powder containing activity
Nickle atom can form metallic bond with the metal in substrate casting, improve nano aluminium oxide reinforcement wear-resistant liner and substrate casting it
Between adherence, be not easy to peel off from substrate casting under the high temperature conditions, while improving the high temperature resistance of wear-resistant liner, make mill
Material is not easy to be pressed into and slide；
（2）When using composite plating bath dip-coating substrate plate in the present invention, in composite plating bath alumina hydrate particle absorption surrounding metal from
Son and it is positively charged, ground plane surface is negatively charged, alumina hydrate particle constantly basad plate under the action of electrostatic attraction
Surface migration, after it is close to substrate plate, alumina hydrate particle contact obtains electricity to ground plane surface from substrate plate
Son makes alumina hydrate particle periphery metal ion spread out, and it is poly- that dehydration occurs in ground plane surface alumina hydrate particle
Reaction is closed, aluminium oxide particles are generated, aluminium oxide particles are deposited in ground plane surface, form highdensity oxidized metal film, highly dense
The pellumina of degree ultra-fine grain diameter can reduce the Akron abrasion volume of wear-resistant liner, i.e. abrasion resistance increases, in ceramics
In annealing process, air can carry out cermet pre-oxidation effect, and metal ceramic surface can form one layer of ceramic of compact
Crystal grain, intercrystalline interface can be higher, thus the binding force of Metal-ceramie powder and substrate plate can be improved by nano alumina particles,
It is not easy to peel off and keep high-compactness, is not likely to produce abrasion, to improve the wear-resisting property of wear-resistant liner, have a extensive future.
Specific implementation mode
Count in parts by weight, by 30~35 parts of barium monoxide, 16~18 parts of boron oxides, 13~15 parts of aluminium oxide, 25~30 parts
Cerium oxide and 3~5 parts of zirconium oxide mixing are put into corundum crucible, and corundum crucible is moved into Muffle furnace, is heated to 1450
It~1500 DEG C, 2~3h of heat preservation sintering, takes out corundum crucible and obtains rare earth with 20~25 DEG C of water quenching 20~25min of cold treatment
Ceramic block；Rare-earth ceramic block is put into 3~4h of grinding in mortar, 400 mesh is crossed and sieves to obtain ceramic powder, take suitable steel plate casting,
With 400 mesh sand paper polish 8~10min, then with acetone clean surface of steel plate, prepare mass fraction be 20% sodium hydroxide solution,
60~70 DEG C are heated to, lye is obtained, steel plate is rinsed 3~4 times after 10~15min of caustic dip steel plate, then with deionized water
Obtain substrate plate；Count in parts by weight, by 1~2 part of nickel powder, 10~12 parts of ferromanganese, 30~33 parts of ferrochrome, 20~21 parts of molybdenum-irons,
30~35 parts of ceramic powders are mixed to get cermet powder, and 70~80 parts of cermet powders are placed in planetary ball mill, to
The polyvinyl alcohol water solution that 60~70 parts of mass fractions are 20% is poured into planetary ball mill, with the rotating speed ball of 700~800r/min
6~7h is ground, cermet slurry is obtained；With mass fraction be 20% sulfuric acid solution nanometer aluminium powder is washed, then spend from
Sub- water to nanometer aluminium powder carry out secondary cleaning, count in parts by weight, by 30~35 parts of nickel sulfate hexahydrates, 20~30 parts of hydrazine hydrates,
10~15 parts of mass fractions are that 20% sodium hydroxide solution, 30~40 parts of deionized waters and 20~25 parts of nanometer aluminium powder mixing are placed in
In beaker, chemical plating solution is obtained；Cermet slurry is placed in baking oven, is heated to 80~90 DEG C, dry 20~
For 24 hours, cermet dry powder is obtained, by 70~80g cermets dry powder dispersion after 200~220mL chemical plating solutions, is placed in height
In fast dispersion machine, with rotating speed 20~25min of high speed dispersion of 3000~4000r/min, composite plating bath is obtained, substrate plate is immersed
1~2h in composite plating bath, after substrate plate is taken out with composite plating bath continue coated substrate plate surface, control coating layer thickness be 2~
4mm obtains dip-coating plate；Dip-coating plate is placed in vacuum metallurgy sintering furnace, being evacuated to vacuum degree to vacuum metallurgy sintering furnace is
40~50Pa is heated to 700~800 DEG C with the heating rate of 4~5 DEG C/min, and 2~3h of isothermal holding is continuously heating to
1050~1100 DEG C, 30~35min of heat preservation sintering, oil quenching after taking-up, then be tempered and be heated to 250~260 DEG C, soaking time 2
~3h after cooled to room temperature, obtains nano aluminium oxide reinforcement wear-resistant liner.
Example 1
It counts in parts by weight, 30 parts of barium monoxide, 16 parts of boron oxides, 13 parts of aluminium oxide, 25 parts of cerium oxide and 3 parts of zirconium oxides is mixed
It is put into corundum crucible, corundum crucible is moved into Muffle furnace, be heated to 1450 DEG C, heat preservation sintering 2h, take out corundum earthenware
Crucible obtains rare-earth ceramic block with 20 DEG C of water quenching cold treatment 20min；Rare-earth ceramic block is put into mortar and grinds 3h, crosses 400
Mesh sieves to obtain ceramic powder, takes suitable steel plate casting, with 400 mesh sand paper polish 8min, then with acetone clean surface of steel plate, prepare
The sodium hydroxide solution that mass fraction is 20%, is heated to 60 DEG C, obtains lye, after caustic dip steel plate 10min, then spend
Ionized water rinses steel plate and obtains substrate plate 3 times；It counts in parts by weight, by 1 part of nickel powder, 10 parts of ferromanganese, 30 parts of ferrochrome, 20 parts of molybdenums
Iron, 30 parts of ceramic powders are mixed to get cermet powder, and 70 parts of cermet powders are placed in planetary ball mill, to planet ball
The polyvinyl alcohol water solution that 60 parts of mass fractions are 20% is poured into grinding machine, with the rotating speed ball milling 6h of 700r/min, obtains metal pottery
Porcelain slurry；The sulfuric acid solution for being 20% with mass fraction washs nanometer aluminium powder, then is carried out to nanometer aluminium powder with deionized water
Secondary cleaning is counted in parts by weight, is that 20% sodium hydroxide is molten by 30 parts of nickel sulfate hexahydrates, 20 parts of hydrazine hydrates, 10 parts of mass fractions
Liquid, 30 parts of deionized waters and 20 parts of nanometer aluminium powder mixing are placed in beaker, obtain chemical plating solution；Cermet slurry is placed in
In baking oven, 80 DEG C are heated to, dry 20h obtains cermet dry powder, by 70g cermet dry powder dispersions in 200mLization
After learning plating liquor, it is placed in high speed dispersor, with the rotating speed high speed dispersion 20min of 3000r/min, composite plating bath is obtained, by base
Bottom plate immerses 1h in composite plating bath, continues coated substrate plate surface with composite plating bath after substrate plate is taken out, and controls coating layer thickness
For 2mm, dip-coating plate is obtained；Dip-coating plate is placed in vacuum metallurgy sintering furnace, vacuum degree is evacuated to vacuum metallurgy sintering furnace
For 40Pa, 700 DEG C, isothermal holding 2h are heated to the heating rate of 4 DEG C/min, is continuously heating to 1050 DEG C, heat preservation is burnt
30min, oil quenching after taking-up are tied, then is tempered and is heated to 250 DEG C, soaking time 2h, after cooled to room temperature, obtains nano oxygen
Change aluminium reinforcement wear-resistant liner.
Example 2
It counts in parts by weight, 32 parts of barium monoxide, 17 parts of boron oxides, 14 parts of aluminium oxide, 27 parts of cerium oxide and 4 parts of zirconium oxides is mixed
It is put into corundum crucible, corundum crucible is moved into Muffle furnace, be heated to 1470 DEG C, heat preservation sintering 2.5h, take out corundum
Crucible obtains rare-earth ceramic block with 22 DEG C of water quenching cold treatment 22min；Rare-earth ceramic block is put into mortar and grinds 3.5h, mistake
400 mesh sieve to obtain ceramic powder, take suitable steel plate casting, with 400 mesh sand paper polish 9min, then with acetone clean surface of steel plate,
The sodium hydroxide solution that mass fraction is 20% is prepared, 65 DEG C is heated to, obtains lye, after caustic dip steel plate 12min, then
Steel plate, which is rinsed, with deionized water obtains substrate plate 3 times；Count in parts by weight, by 1 part of nickel powder, 11 parts of ferromanganese, 32 parts of ferrochrome, 21 parts
Molybdenum-iron, 32 parts of ceramic powders are mixed to get cermet powder, 75 parts of cermet powders are placed in planetary ball mill, to planet
The polyvinyl alcohol water solution that 65 parts of mass fractions are 20% is poured into ball mill, and gold is obtained with the rotating speed ball milling 6.5h of 750r/min
Belong to ceramic slurry；The sulfuric acid solution for being 20% with mass fraction washs nanometer aluminium powder, then with deionized water to nanometer aluminium powder
Secondary cleaning is carried out, is counted in parts by weight, is 20% hydroxide by 32 parts of nickel sulfate hexahydrates, 25 parts of hydrazine hydrates, 12 parts of mass fractions
Sodium solution, 35 parts of deionized waters and 25 parts of nanometer aluminium powder mixing are placed in beaker, obtain chemical plating solution；By cermet slurry
Be placed in baking oven, be heated to 85 DEG C, dry 22h obtains cermet dry powder, by 75g cermets dry powder dispersion in
It after 210mL chemical plating solutions, is placed in high speed dispersor, with the rotating speed high speed dispersion 22min of 3500r/min, obtains Composite Coatings
Substrate plate is immersed 1.5h in composite plating bath by liquid, continues coated substrate plate surface, control with composite plating bath after substrate plate is taken out
Coating layer thickness is 3mm, obtains dip-coating plate；Dip-coating plate is placed in vacuum metallurgy sintering furnace, stove evacuation is sintered to vacuum metallurgy
It is 45Pa to vacuum degree, is heated to 750 DEG C with the heating rate of 4 DEG C/min, isothermal holding 2.5h is continuously heating to 1070
DEG C, heat preservation sintering 32min, oil quenching after taking-up, then be tempered and be heated to 255 DEG C, soaking time 2.5h, cooled to room temperature
Afterwards, nano aluminium oxide reinforcement wear-resistant liner is obtained.
Example 3
It counts in parts by weight, 35 parts of barium monoxide, 18 parts of boron oxides, 15 parts of aluminium oxide, 30 parts of cerium oxide and 5 parts of zirconium oxides is mixed
It is put into corundum crucible, corundum crucible is moved into Muffle furnace, be heated to 1500 DEG C, heat preservation sintering 3h, take out corundum earthenware
Crucible obtains rare-earth ceramic block with 25 DEG C of water quenching cold treatment 25min；Rare-earth ceramic block is put into mortar and grinds 4h, crosses 400
Mesh sieves to obtain ceramic powder, takes suitable steel plate casting, with 400 mesh sand paper polish 10min, then with acetone clean surface of steel plate, match
The sodium hydroxide solution that mass fraction processed is 20%, is heated to 70 DEG C, obtains lye, after caustic dip steel plate 15min, then use
Deionized water rinses steel plate and obtains substrate plate 4 times；It counts in parts by weight, by 2 parts of nickel powders, 12 parts of ferromanganese, 33 parts of ferrochrome, 21 parts of molybdenums
Iron, 35 parts of ceramic powders are mixed to get cermet powder, and 80 parts of cermet powders are placed in planetary ball mill, to planet ball
The polyvinyl alcohol water solution that 70 parts of mass fractions are 20% is poured into grinding machine, with the rotating speed ball milling 7h of 800r/min, obtains metal pottery
Porcelain slurry；The sulfuric acid solution for being 20% with mass fraction washs nanometer aluminium powder, then is carried out to nanometer aluminium powder with deionized water
Secondary cleaning is counted in parts by weight, is that 20% sodium hydroxide is molten by 35 parts of nickel sulfate hexahydrates, 30 parts of hydrazine hydrates, 15 parts of mass fractions
Liquid, 40 parts of deionized waters and 25 parts of nanometer aluminium powder mixing are placed in beaker, obtain chemical plating solution；Cermet slurry is placed in
In baking oven, 90 DEG C are heated to, drying for 24 hours, obtains cermet dry powder, by 80g cermet dry powder dispersions in 220mLization
After learning plating liquor, it is placed in high speed dispersor, with the rotating speed high speed dispersion 25min of 4000r/min, composite plating bath is obtained, by base
Bottom plate immerses 2h in composite plating bath, continues coated substrate plate surface with composite plating bath after substrate plate is taken out, and controls coating layer thickness
For 4mm, dip-coating plate is obtained；Dip-coating plate is placed in vacuum metallurgy sintering furnace, vacuum degree is evacuated to vacuum metallurgy sintering furnace
For 50Pa, 800 DEG C, isothermal holding 3h are heated to the heating rate of 5 DEG C/min, is continuously heating to 1100 DEG C, heat preservation is burnt
35min, oil quenching after taking-up are tied, then is tempered and is heated to 260 DEG C, soaking time 3h, after cooled to room temperature, obtains nano oxygen
Change aluminium reinforcement wear-resistant liner.
Comparative example
With the nano aluminium oxide reinforcement wear-resistant liner of Suzhou company production as a comparison case to produced by the present invention nano oxidized
Nano aluminium oxide reinforcement wear-resistant liner in aluminium reinforcement wear-resistant liner and comparative example carries out performance detection, testing result such as 1 institute of table
Show：
Test method：
Hardness test is detected using hardness-testing device.
Yield strength test is detected by GB_T 27979-2011 standards.
Impact flexibility test is detected by GB/T 2650-2008 standards.
The test of section rate is detected by GB/T 27979-2011 standards.
Service life is tested：By the wear-resistant liner in example 1~3 and comparative example under use environment, surface appearance is measured
The time of scuffing is service life.
Wearability test：Wear-resistant liner in example 1~3 and comparative example is observed into table after a period of time under use environment
Surface wear situation.
Heat-resisting quantity is tested：In the environment of wear-resistant liner in example 1~3 and comparative example is positioned over 1000 DEG C, measure
Case hardness.
1 wear-resistant liner performance measurement result of table
According to the nano aluminium oxide reinforcement wear-resistant liner good mechanical property of the present invention of data among the above, there is higher abrasion resistance
With hardness, and with higher toughness, tensile strength, yield strength, the service life is longer, not easy to break, service life reaches
11000 hours, wearability was good, and after a period of use without flawless is scratched, hardness is high under high temperature environment, high temperature resistance
It is good, it has broad application prospects.
Claims (7)
1. a kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner, it is characterised in that specifically preparation process is：
（1）It counts in parts by weight, by 30~35 parts of barium monoxide, 16~18 parts of boron oxides, 13~15 parts of aluminium oxide, 25~30 parts of oxygen
Change cerium and 3~5 parts of zirconium oxide mixing are put into corundum crucible, corundum crucible is moved into Muffle furnace, heat temperature raising, heat preservation is burnt
Knot takes out corundum crucible and obtains rare-earth ceramic block with water quenching cold treatment；
（2）Rare-earth ceramic block is put into 3~4h of grinding in mortar, sieving obtains ceramic powder, suitable steel plate casting taken, with 400
Mesh sand paper 8~10min of polishing, then surface of steel plate is cleaned with acetone, sodium hydroxide solution is prepared, heating obtains lye, uses lye
After cleaning steel plate 10~15min, then rinses steel plate with deionized water and obtain substrate plate 3~4 times；
（3）Count in parts by weight, by 1~2 part of nickel powder, 10~12 parts of ferromanganese, 30~33 parts of ferrochrome, 20~21 parts of molybdenum-irons, 30~
35 parts of ceramic powders are mixed to get cermet powder, 70~80 parts of cermet powders are placed in planetary ball mill, to planet
60~70 parts of polyvinyl alcohol water solutions are poured into ball mill, ball milling obtains cermet slurry；
（4）Nanometer aluminium powder is washed with sulfuric acid solution, then secondary cleaning is carried out to nanometer aluminium powder with deionized water, by weight
Number meter, by 30~35 parts of nickel sulfate hexahydrates, 20~30 parts of hydrazine hydrates, 10~15 parts of sodium hydroxide solutions, 30~40 parts go from
Sub- water and 20~25 parts of nanometer aluminium powder mixing are placed in beaker, obtain chemical plating solution；
（5）Cermet slurry is placed in baking oven, heat temperature raising, it is dry, cermet dry powder is obtained, by 70~80g metals
After ceramic powder is scattered in 200~220mL chemical plating solutions, it is placed in high speed dispersor, high speed dispersion obtains composite plating bath,
Substrate plate is immersed in composite plating bath, continues coated substrate plate surface with composite plating bath after substrate plate is taken out, obtains dip-coating plate；
（6）Dip-coating plate is placed in vacuum metallurgy sintering furnace, to vacuum metallurgy be sintered stove evacuation, heat temperature raising, isothermal holding,
Continue to heat up, heat preservation sintering, oil quenching after taking-up, then be tempered heating, soaking time after cooled to room temperature, obtains nano oxygen
Change aluminium reinforcement wear-resistant liner.
2. a kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner according to claim 1, it is characterised in that：Step
（1）The heat temperature raising is 1450~1500 DEG C, and the heat preservation sintering time is 2~3h, and water quenching temperature is 20~25 DEG C, quenching
Processing time is 20~25min.
3. a kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner according to claim 1, it is characterised in that：Step
（2）Be sieved specification is 400 mesh after the grinding, and the mass fraction of sodium hydroxide solution is 20%, and lye heat temperature raising is 60
~70 DEG C.
4. a kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner according to claim 1, it is characterised in that：Step
（3）The mass fraction of the polyvinyl alcohol water solution be 20%, rotational speed of ball-mill be 700~800r/min, Ball-milling Time be 6~
7h。
5. a kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner according to claim 1, it is characterised in that：Step
（4）The mass fraction of the sulfuric acid solution is 20%, and the mass fraction of sodium hydroxide solution is 20%.
6. a kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner according to claim 1, it is characterised in that：Step
（5）The heat temperature raising be 80~90 DEG C, drying time be 20~for 24 hours, high speed dispersion rotating speed be 3000~4000r/min,
The high speed dispersion time is 20~25min, and it is 1~2h to immerse the time in composite plating bath, and control coating layer thickness is 2~4mm.
7. a kind of preparation method of nano aluminium oxide reinforcement wear-resistant liner according to claim 1, it is characterised in that：Step
（6）Described is evacuated to vacuum degree as 40~50Pa to vacuum metallurgy sintering furnace, and heating rate is 4~5 DEG C/min, and heating rises
Temperature is 700~800 DEG C, and the isothermal holding time is 2~3h, and it is 1050~1100 DEG C, 30~35min of heat preservation sintering to continue heating,
Tempering heating-up temperature is 250~260 DEG C, and soaking time is 2~3h.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110467439A (en) * | 2019-08-02 | 2019-11-19 | 中国航发北京航空材料研究院 | The preparation method of alumina fibre enhancing porous alumina ceramic based composites |
| CN111118499A (en) * | 2019-12-31 | 2020-05-08 | 彭磊 | Preparation method of material for processing paint mixer |
| CN115746431A (en) * | 2022-11-08 | 2023-03-07 | 广州众远智慧科技有限公司 | Modified PE composite material for stylus point and preparation method thereof |
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| CN105081327A (en) * | 2015-08-28 | 2015-11-25 | 南通高欣耐磨科技股份有限公司 | High-strength and shock-resistance type metal ceramic composite lining plate and preparation method thereof |
| CN108179405A (en) * | 2017-12-18 | 2018-06-19 | 常州市好利莱光电科技有限公司 | A kind of preparation method of Wear-resistant, high-temperature resistant metal-cermic coating |
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| CN105081327A (en) * | 2015-08-28 | 2015-11-25 | 南通高欣耐磨科技股份有限公司 | High-strength and shock-resistance type metal ceramic composite lining plate and preparation method thereof |
| CN108179405A (en) * | 2017-12-18 | 2018-06-19 | 常州市好利莱光电科技有限公司 | A kind of preparation method of Wear-resistant, high-temperature resistant metal-cermic coating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110467439A (en) * | 2019-08-02 | 2019-11-19 | 中国航发北京航空材料研究院 | The preparation method of alumina fibre enhancing porous alumina ceramic based composites |
| CN111118499A (en) * | 2019-12-31 | 2020-05-08 | 彭磊 | Preparation method of material for processing paint mixer |
| CN115746431A (en) * | 2022-11-08 | 2023-03-07 | 广州众远智慧科技有限公司 | Modified PE composite material for stylus point and preparation method thereof |
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