CN109622939A - Copper alloy surface wear-resistant coating and preparation method are prepared with CuMnNi - Google Patents
Copper alloy surface wear-resistant coating and preparation method are prepared with CuMnNi Download PDFInfo
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- CN109622939A CN109622939A CN201811520221.6A CN201811520221A CN109622939A CN 109622939 A CN109622939 A CN 109622939A CN 201811520221 A CN201811520221 A CN 201811520221A CN 109622939 A CN109622939 A CN 109622939A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/103—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/18—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by using pressure rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
Abstract
Copper alloy surface wear-resistant coating is prepared with CuMnNi the invention discloses a kind of, include the following raw material by mass fraction: Cu-Mn-Ni powder 32 ~ 65%, WC-10Ni powder 30 ~ 65% and organic siliconresin binder 3 ~ 5%, solder use the sheet Cu-Mn-Ni of thickness 0.2-0.6mm.It is of the invention a kind of to prepare copper alloy surface wear-resistant coating and preparation method with CuMnNi, using vacuum cladding method, fusing or semi-molten state will be heated to coated on Copper substrate surface cladding material, make reinforced phase Dispersed precipitate in autolyzed alloy, metallurgical bonding is formed between coating and matrix simultaneously, to obtain the surface covering of required performance, molding effect is excellent, and bond strength is high；It is compound with basis material, not only matching is excellent, fusing point, lubricity, joint filling can be good, and molding effect is excellent, and bond strength is high, can effectively improve the abrasion resistance and hardness of substrate material surface；Hardware cloth can be cut into various shape simultaneously, and the ability for adapting to matrix is strong, and the spatial position between coating and matrix being capable of good control.
Description
Technical field
The present invention relates to copper alloy surface wear-resistant coating and preparation method is prepared with CuMnNi, belong to field of compound material.
Background technique
Copper and copper alloy due to its excellent conduction, thermal conductivity, good corrosion resisting property and forming performance electric power,
The industrial circles such as electrician, machinery, metallurgy (such as electron tube, lead frame, electrified rail, blast-furnace tuyere and continuous cast mold
Deng) be used widely.But copper and copper alloy surface hardness are low, wear no resistance, and some brass wares are often too early because of surface abrasion
Failure, service life substantially reduce, so that it be made to be restricted in the application of many occasions.How copper and copper alloy guaranteed
Under the premise of many excellent performances of matrix, the wear-resisting and corrosion resisting property for improving its surface has become the hot spot of research.
One layer of coating with the performances such as wear-resisting, corrosion-resistant is coated on component of machine surface by surface-coating technology,
Improve material surface property simultaneously without influencing the property inside components, receives industry in recent years and widely pay close attention to.Surface
Coating technology is fractions distribution by coating or compound equal process reforms through processed substrate material surface, phase composition, micro-
Structure and stress state etc. are seen, raising matrix resists environment force or the one or more functions of imparting material surface are special to reach
The technology of property, generally comprises: thermal spraying, built-up welding, Brush Plating, plated film, laser melting coating and vacuum cladding etc.
There are still following problems for these methods: the deficiency of copper and copper alloy surface thermal spraying prepares coating is: at thermal spraying
It is not high with substrate combinating strength to manage coating obtained, exists more porous；Technique is more difficult to control, high process cost, and
It pollutes more serious；The deficiency of copper and copper alloy surface cold spray technique prepares coating is: coating is mechanical bond with matrix, in conjunction with
Intensity is lower, and technique is more complex etc.；The shortcomings that copper and copper alloy surface electric spark deposition technology prepares coating is that operating process needs
It has been manually done, coating quality depends on the technical level etc. of operator；Copper and copper alloy surface laser melting coating prepares coating exist
The problem of have laser generator device price product expensive, operating difficulties needs special protection, Optimizing Process Parameters, develops into
Ripe equipment and technology, convenient for its popularization and application in the industry；Copper and copper alloy surface thermo chemical reaction prepares coating exist
The problem of be that coating and substrate combinating strength be not high, coating not enough densification etc..
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention, which provides, a kind of to be prepared copper with CuMnNi and closes
Gold surface wear-resistant coating and preparation method will be heated to melting using vacuum cladding method coated on Copper substrate surface cladding material
Or semi-molten state, make reinforced phase Dispersed precipitate in autolyzed alloy, while forming metallurgical bonding between coating and matrix, from
And the surface covering of performance needed for obtaining, molding effect is excellent, and bond strength is high.
Technical solution: it in order to solve the above technical problems, of the invention prepare copper alloy surface wear-resistant coating with CuMnNi, presses
Mass fraction includes the following raw material: Cu-Mn-Ni powder 32~65%, WC-10Ni powder 30~65% and organic siliconresin binder 3
~5%, solder uses the sheet Cu-Mn-Ni of thickness 0.2-0.6mm.The present invention by by WC-10Ni powder and Cu-Mn-Ni powder into
Row compounding, thus the coating not only ingredient even compact of preparation, and the metallic fiber in coating form one it is criss-cross
Three-dimensional spider net type structure, and then it can be effectively improved the abrasion resistance and hardness on copper alloy matrix surface, enhance coating and matrix
Bond strength.Wherein, the addition of WC-10Ni powder improves the surface hardness, wearability, corrosion resistance of deduction；Cu-Mn-
The addition of Ni powder cooperates with WC-10Ni powder, improves the comprehensive performances such as mobility, thickness, the structure of coating.
Preferably, the WC-10Ni powder is composed of the WC-10Ni powder of 10~15 mesh and 30~45 mesh, the two
Mass ratio is 0.3~0.5:1.Using the WC-10Ni powder of two kinds of different meshes, and then lesser WC-10Ni particle can fill
To among the gap of biggish WC-10Ni particle and biggish WC-10Ni particle, the consistency of coating ensure that.
Preferably, the organic siliconresin binder includes the following raw material by mass fraction: polytetrafluoroethylene (PTFE) 48~
50%, aldehyde resin 6~10%, diethylenetriamine 5~10%, methyltrimethoxysilane 3~5%, polycarbonate 14~
16%, ethylene-dimalonic acid acid anhydride 15~18%.Present invention organic siliconresin binder made of above-mentioned raw materials compounding, so as to
Enough to show flocculence under the effect of rolling repeatedly of roll, when rolling mill roll rolls, the normal pressure that particle is subject to is to bonding
Agent generates squeezing action, is repeatedly squeezed binder and gradually forms threadiness, and a kind of criss-cross three-dimensional spider net type knot is become
Structure, and WC-10Ni powder, Cu-Mn-Ni powder are panelized or wrap up wherein, so that the dusty material of dispersion is coupled integral, formation
Coating metal cloth.
A kind of above-mentioned preparation method that copper alloy surface wear-resistant coating is prepared with CuMnNi, comprising the following steps:
(1) after mixing WC-10Ni powder, Cu-Mn-Ni powder, organic siliconresin binder is added and mixes, then repeatedly adjustment
The gap rolled between rod and workbench carries out repeat-rolling, and hardware cloth is made；
(2) sheet Cu-Mn-Ni is tightly attached to pretreated copper alloy surface, and rolled metal cloth is then stacked in piece
On shape Cu-Mn-Ni, first under the conditions of 300~350 DEG C after 30~40min of insulation reaction, then under the conditions of 880~1000 DEG C
It carries out vacuum brazing and reacts 10~40min, be finally cooled to 650~700 DEG C, be cooled to room temperature after keeping the temperature 10~30min
Copper alloy surface wear-resistant coating is made.
Preferably, it is 3~5mm that the primary clearance between rod and workbench is rolled in adjustment when rolling in the step (1), then
It is sequentially adjusted in 2~3.0mm and 0.5~2.0mm.Every kind of gap rolls 15~30min.
Preferably, the solder Cu-Mn-Ni of sheet is in the step (2) with a thickness of 0.2-0.6mm.
The present invention is prepared into metal by the way that WC-10Ni powder, Cu-Mn-Ni powder and organic siliconresin binder are carried out compounding
Cloth, and combine vacuum brazing technique that the hardware cloth and sheet solder are compound in copper alloy matrix material surface, first heating reaches
It 300~350 DEG C, so that organic siliconresin binder decomposes volatilization, is brazed under the conditions of 880~1000 DEG C, brazing filler metal melts are liquid
The solder of state, liquid interacts in copper alloy surface wetting and spreading and with base material, in copper alloy surface after final cooled and solidified
Form good coating.
The utility model has the advantages that compared with prior art, remarkable advantage of the invention are as follows: the coating is the technology material of flexible fiber shape
Expect, not only ingredient even compact, and the metallic fiber in coating forms a criss-cross three-dimensional spider net type structure；Its with
Basis material is compound, not only matching is excellent, fusing point, lubricity, joint filling can be good, and molding effect is excellent, and bond strength is high, can
Effectively improve the abrasion resistance and hardness of substrate material surface；Hardware cloth can be cut into various shape simultaneously, adapt to the energy of matrix
Power is strong, and the spatial position between coating and matrix being capable of good control；In addition, the preparation method of the coating is easy, safety and environmental protection.
Specific embodiment
Below with reference to embodiment, further details of the technical solution of the present invention.
Raw material of the present invention is commercially available to be obtained.
The preparation method of organic siliconresin binder of the invention is the raw material mixing for being included by it.Of the invention
Rolling carries out at room temperature.
Embodiment 1
Coating material includes the following raw material: 32%WC-10Ni powder, 65%Cu-Mn-Ni powder and 3% organic siliconresin
Binder.The sheet Cu-Mn-Ni that solder uses with a thickness of 0.2mm.Wherein, the mass fraction of Ni can be in Cu-Mn-Ni powder
The mass fraction of 6%, Mu can be 30%, surplus Cu.Organic siliconresin binder includes the following raw material: polytetrafluoroethylene (PTFE)
48%, aldehyde resin 10%, diethylenetriamine 5%, methyltrimethoxysilane 5%, polycarbonate 14%, ethylene-dimalonic acid acid anhydride
18%.
The preparation method of coating includes the following steps:
(1) WC-10Ni powder, Cu-Mn-Ni powder are weighed by mass percentage, and are mixed；
(2) it fills this blend into automatic mixing apparatus vessel, and organic siliconresin binder is added, then seal vessel
It closes, stirs to obtain uniform mixture；
(3) mixed metal powder particle made from step (2) is rolled in automatic roll equipment, successive step first first
Roll and workbench distance, the thickness of control bonding cloth carry out preliminary roll 30min molding in 3.0~5.0mm or so；
(4) roll is carried out to bonding cloth again, adjusts the spacing between roll and workbench again, control height is
2.0~3.0mm carries out 2~3 repetition roll 30min, generates and squeezes to the bonding agent between surface of metal particles and metallic particles
Pressure effect, bonding agent form threadiness under squeezing action；
(5) by the spacing between roll and workbench adjust to required " hardware cloth " thickness range (with a thickness of 0.5~
2.0mm), 5~6 repetition roll 30min are carried out to its tow sides, metallic fiber forms a criss-cross three-dimensional spider web
Formula structure, metallic particles are inlayed or are wrapped in bonding agent, and the alloying metal powder of dispersion is made to form the entirety connected each other,
The metallic particles in each section of threadiness is uniformly distributed, and roll forms flexible metal cloth.
The preparation method of the copper alloy surface wear-resistant coating includes the following steps:
(1) preparation stage: the hardware cloth of 20 × 10 × 0.5mm of shearing and the sheet Cu-Mn-Ni of 20 × 10 × 0.2mm,
And prepare the brass base of 50 × 30 × 3mm.Brazing equipment uses WZB-20 vacuum brazing furnace, before weldering, grinds brass with sand paper
Acetone is added with being put into ultrasonic cleaner after alcohol washes in surface, cleans 15min, then simultaneously with cleaning cloth wiped clean
Air drying；" hardware cloth " material cut is tightly attached in the brass surfaces after cleaning；
(2) soldering connection: by hardware cloth upper, sequence of the sheet Cu-Mn-Ni under integrally lays flat the sample being equipped with
In vacuum brazing furnace, the vacuum degree of setting stove is 1.0 × 10 before welding-4In the vacuum brazing equipment of Pa, first with 10 DEG C/
The rate of min is warming up to 350 DEG C, keeps the temperature 30min, then heat up 880 DEG C of brazing temperature with the rate of 10 DEG C/min, keeps the temperature 45min,
650 DEG C are cooled to the rate of 6 DEG C/min again, keeps the temperature 10min, finally cools to room temperature with the furnace, takes out by weldering sample, can make
Obtain the wear-resistant coating.
Performance detection: organic siliconresin binder shows the flocculence of white after rolling repeatedly, this cotton one by one
Wadding, which links up, is integrally formed a kind of criss-cross three-dimensional spider net type structure, and the spheric granules that surface is round and smooth, not of uniform size is just
WC-10Ni powder and Cu-Mn-Ni powder, both powder are by the damascene of spider net type or wrap up wherein, thus will be originally
The dusty material of dispersion is coupled integral, formation coating metal cloth.In addition, through observation shows that, brass surfaces painting formable layer is good,
Fine and close interface cohesion is formed, and multi-point sampler is carried out to coating material surface it is found that its hardness is 488HRC, bond strength is
187MPa。
Embodiment 2
Coating material includes the following raw material: 65%WC-10Ni powder, 30%Cu-Mn-Ni powder and 5% organic siliconresin
Binder.The sheet Cu-Mn-Ni that solder uses with a thickness of 0.6mm.Wherein, the mass fraction of Ni can be in Cu-Mn-Ni powder
The mass fraction of 6%, Mn can be 30%, surplus Cu.Organic siliconresin binder includes the following raw material: polytetrafluoroethylene (PTFE)
50%, aldehyde resin 6%, diethylenetriamine 10%, methyltrimethoxysilane 3%, polycarbonate 16%, ethylene-dimalonic acid acid anhydride
15%.
The preparation method of coating includes the following steps:
(1) WC-10Ni powder, Cu-Mn-Ni powder are weighed by mass percentage, and are mixed；
(2) it fills this blend into automatic mixing apparatus vessel, and organic siliconresin binder is added, then seal vessel
It closes, stirs to obtain uniform mixture；
(3) mixed metal powder particle made from step (2) is rolled in automatic roll equipment, successive step first first
Roll and workbench distance, the thickness of control bonding cloth carry out preliminary roll 30min molding in 3.0~5.0mm or so；
(4) roll is carried out to bonding cloth again, adjusts the spacing between roll and workbench again, control height is
2.0~3.0mm carries out 2~3 repetition roll 30min, generates and squeezes to the bonding agent between surface of metal particles and metallic particles
Pressure effect, bonding agent form threadiness under squeezing action；
(5) by the spacing between roll and workbench adjust to required " hardware cloth " thickness range (with a thickness of 0.5~
2.0mm), 5~6 repetition roll 30min are carried out to its tow sides, metallic fiber forms a criss-cross three-dimensional spider web
Formula structure, metallic particles are inlayed or are wrapped in bonding agent, and the alloying metal powder of dispersion is made to form the entirety connected each other,
The metallic particles in each section of threadiness is uniformly distributed, and roll forms flexible metal cloth.
The preparation method of the copper alloy surface wear-resistant coating includes the following steps:
(1) preparation stage: the hardware cloth of 20 × 10 × 0.5mm of shearing and the sheet Cu-Mn-Ni of 20 × 10 × 0.6mm,
And prepare the brass base of 50 × 30 × 3mm.Brazing equipment uses WZB-20 vacuum brazing furnace, before weldering, grinds brass with sand paper
Acetone is added with being put into ultrasonic cleaner after alcohol washes in surface, cleans 15min, then simultaneously with cleaning cloth wiped clean
Air drying；" hardware cloth " material cut is tightly attached in the brass surfaces after cleaning；
(2) soldering connection: by hardware cloth upper, sequence of the sheet Cu-Mn-Ni under integrally lays flat the sample being equipped with
In vacuum brazing furnace, weld before setting stove vacuum degree be 1.0 × 10-4Pa vacuum brazing equipment in, first with 10 DEG C/
The rate of min is warming up to 300 DEG C, keeps the temperature 40min, then heat up 1000 DEG C of brazing temperature with the rate of 10 DEG C/min, heat preservation
10min, then 700 DEG C are cooled to the rate of 6 DEG C/min, 40min is kept the temperature, finally cools to room temperature with the furnace, is taken out by weldering sample,
It can be prepared by the wear-resistant coating.
Performance detection: through observation shows that, brass surfaces painting formable layer is good, forms fine and close interface cohesion, and to coating
Material surface carries out multi-point sampler it is found that its hardness is 494HRC, bond strength 171MPa.Embodiment 3
Coating material includes the following raw material: 48%WC-10Ni powder, 48%Cu-Mn-Ni powder and 4% organic siliconresin
Binder.The sheet Cu-Mn-Ni that solder uses with a thickness of 0.4mm.Wherein, the mass fraction of Ni can be in Cu-Mn-Ni powder
The mass fraction of 6%, Mn can be 30%, surplus Cu.Organic siliconresin binder includes the following raw material: polytetrafluoroethylene (PTFE)
49%, aldehyde resin 8%, diethylenetriamine 8%, methyltrimethoxysilane 4%, polycarbonate 15%, ethylene-dimalonic acid acid anhydride
16%.
The preparation method of coating includes the following steps:
(1) WC-10Ni powder, Cu-Mn-Ni powder are weighed by mass percentage, and are mixed；
(2) it fills this blend into automatic mixing apparatus vessel, and organic siliconresin binder is added, then seal vessel
It closes, stirs to obtain uniform mixture；
(3) mixed metal powder particle made from step (2) is rolled in automatic roll equipment, successive step first first
Roll and workbench distance, the thickness of control bonding cloth carry out preliminary roll 30min molding in 3.0~5.0mm or so；
(4) roll is carried out to bonding cloth again, adjusts the spacing between roll and workbench again, control height is
2.0~3.0mm carries out 2~3 repetition roll 30min, generates and squeezes to the bonding agent between surface of metal particles and metallic particles
Pressure effect, bonding agent form threadiness under squeezing action；
(5) by the spacing between roll and workbench adjust to required " hardware cloth " thickness range (with a thickness of 0.5~
2.0mm), 5~6 repetition roll 30min are carried out to its tow sides, metallic fiber forms a criss-cross three-dimensional spider web
Formula structure, metallic particles are inlayed or are wrapped in bonding agent, and the alloying metal powder of dispersion is made to form the entirety connected each other,
The metallic particles in each section of threadiness is uniformly distributed, and roll forms flexible metal cloth.
The preparation method of the copper alloy surface wear-resistant coating includes the following steps:
(1) preparation stage: the hardware cloth of 20 × 10 × 0.5mm of shearing and the sheet Cu-Mn-Ni of 20 × 10 × 0.4mm,
And prepare the brass base of 50 × 30 × 3mm.Brazing equipment uses WZB-20 vacuum brazing furnace, before weldering, grinds brass with sand paper
Acetone is added with being put into ultrasonic cleaner after alcohol washes in surface, cleans 15min, then simultaneously with cleaning cloth wiped clean
Air drying；" hardware cloth " material cut is tightly attached in the brass surfaces after cleaning；
(2) soldering connection: by hardware cloth upper, sequence of the sheet Cu-Mn-Ni under integrally lays flat the sample being equipped with
In vacuum brazing furnace, the vacuum degree of setting stove is 1.0 × 10 before welding-4In the vacuum brazing equipment of Pa, first with 10 DEG C/
The rate of min is warming up to 330 DEG C, keeps the temperature 35min, then heat up 850 DEG C of brazing temperature with the rate of 10 DEG C/min, keeps the temperature 30min,
630 DEG C are cooled to the rate of 6 DEG C/min again, keeps the temperature 20min, finally cools to room temperature with the furnace, takes out by weldering sample, can make
Obtain the wear-resistant coating.
Performance detection: through observation shows that, brass surfaces painting formable layer is good, forms fine and close interface cohesion, and to coating
Material surface carries out multi-point sampler it is found that its hardness is 490HRC, bond strength 175MPa.
Comparative example 1
Basic step is same as Example 1, the difference is that being added without WC-10Ni powder in raw material.It is specific as follows:
Coating material includes the following raw material: 98%Cu-Mn-Ni powder and 2% organic siliconresin binder.Wherein, organic
Silicone adhesive is same as Example 1, and the mass fraction of each element is same as Example 1 in Cu-Mn-Ni powder.
The preparation method of coating includes the following steps:
(1) Cu-Mn-Ni powder is weighed by mass percentage；
(2) organic siliconresin binder is added, then vessel are closed, stir to obtain uniform mixture；
(3) mixed metal powder particle made from step (2) is rolled in automatic roll equipment, successive step first first
Roll and workbench distance, the thickness of control bonding cloth carry out preliminary roll molding 20min in 3.0~5.0mm or so；
(4) roll is carried out to bonding cloth again, adjusts the spacing between roll and workbench again, control height is
2.0~3.0mm gives bonding one normal pressure of cloth, 2~3 repetition roll 20min is carried out, to surface of metal particles and metal
Bonding agent between grain generates squeezing action, and bonding agent forms threadiness under squeezing action；
(5) by the spacing between roll and workbench adjust to required " hardware cloth " thickness range (with a thickness of 0.5~
2.0mm), 5~6 repetition roll 20min are carried out to its tow sides, metallic fiber forms a criss-cross three-dimensional spider web
Formula structure, metallic particles are inlayed or are wrapped in bonding agent, and the alloying metal powder of dispersion is made to form the entirety connected each other,
The metallic particles in each section of threadiness is uniformly distributed, and roll forms flexible metal cloth.
Coating with a thickness of 0.5~2.0mm.
The preparation method of the wear-resistant coating is same as Example 1.
Performance detection: by the comparative example it is found that not adding WC-10Ni powder in the raw material of coating, then make Cu-Mn-Ni
Powder and matrix direct interaction, after Cu-Mn-Ni powder dissolves, directly soak base material and are sprawled on matrix, thickness can not be set
It is fixed, and the boundary strength of coating and matrix does not change.
Comparative example 2
Coating material component is same as Example 1, rolls the difference is that only carrying out a gap adjustment when prepares coating
System, the specific steps are as follows:
(1) WC-10Ni powder, Cu-Mn-Ni powder are weighed by mass percentage, and are mixed；
(2) it fills this blend into automatic mixing apparatus vessel, and organic siliconresin binder is added, then seal vessel
It closes, stirs to obtain uniform mixture；
(3) mixed metal powder particle made from step (2) is rolled in automatic roll equipment, adjusts roll and work
Make platform 0.5~2.0mm of distance, its tow sides is carried out that roll is repeated several times until molding.
Performance detection: through observation shows that, brass surfaces painting formable layer is poor, and interface cohesion is poor, a large amount of stomata is produced,
Greatly reduce surface hardness and wearability.
Comparative example 3
Coating material component is same as Example 1, rolls the difference is that only carrying out gap adjustment twice when prepares coating
System, the specific steps are as follows:
(1) WC-10Ni powder, Cu-Mn-Ni powder are weighed by mass percentage, and are mixed；
(2) it fills this blend into automatic mixing apparatus vessel, and organic siliconresin binder is added, then seal vessel
It closes, stirs to obtain uniform mixture；
(3) mixed metal powder particle made from step (2) is rolled in automatic roll equipment, successive step first first
Roll and workbench distance, the thickness of control bonding cloth carry out preliminary roll 30min molding in 3.0~5.0mm or so；
(4) roll is carried out to bonding cloth again, adjusts the spacing between roll and workbench again, control height is
0.5~2.0mm carries out 5~6 repetition roll 30min to its tow sides.
Performance detection: through observation shows that, brass surfaces painting formable layer is poor, and interface cohesion is poor, a large amount of stomata is produced,
Greatly reduce surface hardness and wearability.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of prepare copper alloy surface wear-resistant coating with CuMnNi, it is characterised in that: by mass fraction include the following raw material:
Cu-Mn-Ni powder 32~65%, WC-10Ni powder 30~65% and organic siliconresin binder 3~5%.
2. according to claim 1 prepare copper alloy surface wear-resistant coating with CuMnNi, it is characterised in that: the WC-
10Ni powder is composed of the WC-10Ni powder of 10~15 mesh and 30~45 mesh, and the mass ratio of the two is 0.3~0.5:1.
3. according to claim 1 prepare copper alloy surface wear-resistant coating with CuMnNi, it is characterised in that: the organosilicon
Resinoid bond includes the following raw material by mass fraction: polytetrafluoroethylene (PTFE) 48~50%, aldehyde resin 6~10%, divinyl three
Amine 5~10%, methyltrimethoxysilane 3~5%, polycarbonate 14~16%, ethylene-dimalonic acid acid anhydride 15~18%.
4. a kind of preparation method as described in claims 1 to 3 for preparing copper alloy surface wear-resistant coating with CuMnNi, feature
It is, comprising the following steps:
(1) after mixing WC-10Ni powder, Cu-Mn-Ni powder, organic siliconresin binder is added and mixes, then repeatedly rod is rolled in adjustment
Gap between workbench carries out repeat-rolling, and hardware cloth is made；
(2) sheet Cu-Mn-Ni is tightly attached to pretreated copper alloy surface, and rolled metal cloth is then stacked in sheet Cu-
On Mn-Ni, first under the conditions of 300~350 DEG C after 30~40min of insulation reaction, then carried out under the conditions of 880~1000 DEG C true
Sky soldering 10~40min of reaction, is finally cooled to 650~700 DEG C, is cooled to room temperature after keeping the temperature 10~30min, can be prepared by copper
Alloy surface wear-resistant coating.
5. the preparation method according to claim 4 for preparing copper alloy surface wear-resistant coating with CuMnNi, it is characterised in that:
It is 3~5mm that the primary clearance between rod and workbench is rolled in adjustment when rolling in the step (1), be then sequentially adjusted in 2~
3.0mm and 0.5~2.0mm.Every kind of gap rolls 15~30min.
6. the preparation method according to claim 4 for preparing copper alloy surface wear-resistant coating with CuMnNi, it is characterised in that:
The solder Cu-Mn-Ni of sheet is in the step (2) with a thickness of 0.2-0.6mm.
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| CN201811520221.6A CN109622939A (en) | 2018-12-12 | 2018-12-12 | Copper alloy surface wear-resistant coating and preparation method are prepared with CuMnNi |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344056A (en) * | 2019-08-19 | 2019-10-18 | 河北瑞驰伟业科技有限公司 | The technique for preparing cladding layer in copper matrix surface using high-rate laser melting and coating technique |
| CN110653475A (en) * | 2019-09-25 | 2020-01-07 | 江苏科技大学 | Electrode tip coating and preparation method and application thereof |
| CN113718247A (en) * | 2021-09-09 | 2021-11-30 | 中国人民解放军陆军装甲兵学院 | Plasma cladding repair method for copper alloy damaged part |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010138455A (en) * | 2008-12-11 | 2010-06-24 | Diamet:Kk | Stainless steel sintered compact and manufacturing method thereof |
| CN101863151A (en) * | 2010-05-31 | 2010-10-20 | 闵小兵 | Method for preparing metal compound plate by continuously and accurately compounding comprehensive protective material on thin substrate and metal compound plate thereof |
| CN107378307A (en) * | 2017-08-16 | 2017-11-24 | 江苏阳明船舶装备制造技术有限公司 | A kind of copper base solder cloth and preparation method for being used to be modified red copper surface |
| CN107498210A (en) * | 2017-08-16 | 2017-12-22 | 江苏阳明船舶装备制造技术有限公司 | A kind of Cu sills being modified for red copper surface and preparation and welding method |
-
2018
- 2018-12-12 CN CN201811520221.6A patent/CN109622939A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010138455A (en) * | 2008-12-11 | 2010-06-24 | Diamet:Kk | Stainless steel sintered compact and manufacturing method thereof |
| CN101863151A (en) * | 2010-05-31 | 2010-10-20 | 闵小兵 | Method for preparing metal compound plate by continuously and accurately compounding comprehensive protective material on thin substrate and metal compound plate thereof |
| CN107378307A (en) * | 2017-08-16 | 2017-11-24 | 江苏阳明船舶装备制造技术有限公司 | A kind of copper base solder cloth and preparation method for being used to be modified red copper surface |
| CN107498210A (en) * | 2017-08-16 | 2017-12-22 | 江苏阳明船舶装备制造技术有限公司 | A kind of Cu sills being modified for red copper surface and preparation and welding method |
Non-Patent Citations (1)
| Title |
|---|
| 潘蕾等: ""45钢表面钎焊WC/CuMnNi涂层的研究"", 《复合材料学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344056A (en) * | 2019-08-19 | 2019-10-18 | 河北瑞驰伟业科技有限公司 | The technique for preparing cladding layer in copper matrix surface using high-rate laser melting and coating technique |
| CN110344056B (en) * | 2019-08-19 | 2021-11-02 | 唐山中科量子激光科技有限公司 | Process for preparing cladding layer on surface of copper matrix by high-speed laser cladding technology |
| CN110653475A (en) * | 2019-09-25 | 2020-01-07 | 江苏科技大学 | Electrode tip coating and preparation method and application thereof |
| CN113718247A (en) * | 2021-09-09 | 2021-11-30 | 中国人民解放军陆军装甲兵学院 | Plasma cladding repair method for copper alloy damaged part |
| CN113718247B (en) * | 2021-09-09 | 2024-02-02 | 中国人民解放军陆军装甲兵学院 | Plasma cladding repair method for copper alloy damaged part |
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Application publication date: 20190416 |