CN108326316A - A kind of leadless copper base bimetal wear resistant material and preparation method thereof - Google Patents
A kind of leadless copper base bimetal wear resistant material and preparation method thereof Download PDFInfo
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- CN108326316A CN108326316A CN201810241537.5A CN201810241537A CN108326316A CN 108326316 A CN108326316 A CN 108326316A CN 201810241537 A CN201810241537 A CN 201810241537A CN 108326316 A CN108326316 A CN 108326316A
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- 239000000463 material Substances 0.000 title claims abstract description 49
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000010949 copper Substances 0.000 title claims abstract description 42
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 20
- 239000010439 graphite Substances 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 18
- 229910052582 BN Inorganic materials 0.000 claims abstract description 15
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000004663 powder metallurgy Methods 0.000 claims abstract description 5
- 239000000470 constituent Substances 0.000 claims description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 238000005245 sintering Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 229910052681 coesite Inorganic materials 0.000 claims description 8
- 229910052906 cristobalite Inorganic materials 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 229910052682 stishovite Inorganic materials 0.000 claims description 8
- 229910052905 tridymite Inorganic materials 0.000 claims description 8
- 229910000906 Bronze Inorganic materials 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 6
- 229910000912 Bell metal Inorganic materials 0.000 claims description 5
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 238000007788 roughening Methods 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- 231100000701 toxic element Toxicity 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000011812 mixed powder Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 229910001325 element alloy Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
- B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
-
- B22F1/0003—
-
- 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
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Lubricants (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of leadless copper base bimetal wear resistant materials and preparation method thereof, it adds copper facing molybdenum disulfide, copper-plated graphite and copper facing hexagonal boron nitride in unleaded bronze powder, alloy powder is coated on the steel plate, the unleaded wearing composite material of copper-bimetal copper-steel is prepared by powder metallurgy resintering, multiple roll process, collaboration plays the excellent antifriction of molybdenum disulfide, graphite, hexagonal boron nitride, wear-resisting effect.Gained composite material anti-friction wear-resistant is good, excellent in mechanical performance, and is free of toxic Element Lead, to environment without any pollution, is suitable for the industries such as medicine, food, machinery.
Description
Technical field
The present invention relates to leadless copper base friction reducing abrasion resistant material field, specifically a kind of duplex anti-friction constituent element, complex abrasion-proof
The leadless copper base bimetal wear resistant material and preparation method thereof that constituent element is constituted with copper alloy matrix.
Background technology
In the prior art, since lead has the characteristics that matter is soft, low-melting, there is preferable antifriction, block resistance energy, it is extensive
Applied in Cu-based sliding bearing material and copper-radicle antifriction wear-resistant material, combustion and lead is a kind of harmful substance, to human body and environment
Suffer from serious harm.Currently, the developed countries such as America and Europe have all carried out the use of lead stringent limitation.
Molybdenum disulfide and graphite are all good kollags.The layered crystal structure of graphite and its good adsorption energy
Power makes it have good lubrication antifriction function；But the lubricating action of graphite is dominated by adsorbed gas, when adsorbed gas disappearance, profit
Sliding action deprivation, the i.e. lubricating action of graphite disappear in a vacuum.With graphite-phase ratio, molybdenum disulfide still has under vacuum conditions
Friction coefficient is small, thermal stability is good, yield strength is high and excellent performances, the graphite such as radioresistance are applied in combination with molybdenum disulfide, deposits
In good collaboration lubricating action.Hexagonal boron nitride has layer structure identical with graphite and molybdenum disulfide, and a kind of solid
Body lubricant, its main feature is that high temperature resistance is good, the compound addition of hexagonal boron nitride just makes up graphite and molybdenum disulfide in height
The deficiency of properties of antifriction and wear resistance under the conditions of temperature.The synergistic effect of composite lubricated constituent element (graphite, molybdenum disulfide, hexagonal boron nitride),
There is good lubrication antifriction function under broader working condition.The copper-based material of composite lubricated constituent element is added unleaded
On the basis of realize good self-lubricating antifriction, antisticking effect.
But graphite, hexagonal boron nitride and Copper substrate wetability are poor, interface quality is poor, and there are holes at interface cohesion
Gap, isolates that matrix is more serious, weakens the mechanical performance and tribological property of material；Molybdenum disulfide is easy oxygen in high temperature sintering
Change and decompose, not only lubricating action disappears, and also reduces sintering effect.To solve the above problems, in graphite, hexagonal boron nitride and two
Molybdenum sulfide surface prepares copper coating by the method for plating or chemical plating, can both improve graphite, hexagonal boron nitride and Copper substrate
Between wettability, improve the mechanical property of interface quality and material, and when molybdenum disulfide can be protected to be sintered not by
Oxidation and decomposition have given full play to molybdenum disulfide and graphite, hexagonal boron nitride collaboration antifriction function.
To further increase the wear-resisting property of copper-based material, addition complex abrasion-proof constituent element (Al is selected2O3、SiO2、Fe3P),
Using the Dispersed precipitate of hard particles, the wear-resisting property of material is improved, for the Dispersed precipitate for improving hard particles and its wear-resisting effect
Fruit, the size for constraining hard particles are 0.1~10 μm.
Invention content
Purpose of the present invention is to provide in view of the defects existing in the prior art a kind of leadless copper base bimetal wear resistant material and its
Preparation method.
The present invention to achieve the above object, adopts the following technical scheme that：The present invention is intended to provide a kind of double gold of leadless copper base
Belong to wear-resistant material, using the compound synergistic effect of graphite, hexagonal boron nitride and molybdenum disulfide, plays good antifriction self-lubricating effect
Fruit replaces the lead in Cu-base composites, realizes the unleaded of Cu-base composites.Addition complex abrasion-proof constituent element is selected, is utilized
The Dispersed precipitate of hard particles improves the wear-resisting property of material.
A kind of leadless copper base bimetal wear resistant material, is made of steel plate and acid bronze alloy anti-friction wear-resistant layer.
Further：The steel plate selects SPCC or SPHC.
Further：The acid bronze alloy anti-friction wear-resistant layer is configured to 0.5~12% duplex anti-friction by mass percentage
Constituent element and 0.5~5% complex abrasion-proof constituent element, surplus bell metal powder.
Further：The bell metal powder is configured to by mass percentage：Nickel powder 0.25~1.8%, glass putty 6~
16%, phosphorus powder 0~0.25%, iron powder 0~0.25%, zinc powder 0.5~7%, surplus is copper powder.
Further：The duplex anti-friction constituent element is configured to by mass percentage, copper facing molybdenum disulfide 1~15%, copper facing
Graphite 1~65%, surplus are copper facing hexagonal boron nitride.
Further：The complex abrasion-proof constituent element is by Al2O3、SiO2And Fe3P three any one of works as or any two groups
It closes or all three combines.
Further：The Al2O3、SiO2And Fe3The particle size of P three is 0.1~10m.
A kind of preparation method of leadless copper base bimetal wear resistant material, the leadless copper base bimetal wear resistant material use powder
It is prepared by last metallurgical method.
Further：
The powder metallurgy process preparation process program is followed successively by：Just burning-is first for steel plate shearing blanking-roughening-powdering-
Roll-resintering-rolls again；
Wherein：
Powdering：The powder of respective components is mixed into alloyed powder by mass percentage, and uniform ground is layered on clean, roughening
Steel plate on, powdering thickness be 1.5~4mm；
Just burn：In ammonia dissolving atmosphere N2、H2It is sintered under protective condition, 800~920 DEG C of sintering temperature, keeps the temperature 20~50min；
Breaking down：Bimetal wear resistant material after first burn is subjected to heat transfer, amount of rolling is 0.2~0.5mm；
Resintering：By the bimetal wear resistant material after breaking down in ammonia dissolving atmosphere N2、H2It is sintered under protective condition, sintering temperature
820~920 DEG C, keep the temperature 10~30min；
It rolls again：Bimetal wear resistant material after resintering is subjected to heat transfer, amount of rolling is 0.1~0.3mm.
Beneficial effects of the present invention：Compared with original technology, the present invention has the beneficial effect that：
1, the present invention is replaced copper-based using the synergistic effect of composite lubricated constituent element (graphite, molybdenum disulfide, hexagonal boron nitride)
The effect of lead in composite material, realizes the unleaded of bearing material, meets green, the development trend of environmental protection.
2, graphite, molybdenum disulfide and hexagonal boron nitride particles copper coating layer, realize the metallization of nonmetallic surface, effectively
Improve the wettability of composite lubricated constituent element and copper alloy matrix, while protecting molybdenum disulfide, make in its sintering process not by
Oxidation and decomposition, improve composite lubricated constituent element and copper alloy matrix interface bond strength, to improve the power of copper-based wear-resistant material
And tribological property.
3, addition complex abrasion-proof constituent element (Al is selected2O3、SiO2、Fe3P), using the Dispersed precipitate of hard particles, copper is improved
The wear-resisting property of based composites.
Specific implementation mode
It is by steel plate and acid bronze alloy anti-friction wear-resistant layer the invention discloses a kind of leadless copper base bimetal wear resistant material
Composition.Further embodiment is：The steel plate selects SPCC or SPHC.
Further embodiment is：The acid bronze alloy anti-friction wear-resistant layer is configured to 0.5~12% and answers by mass percentage
Close antifriction constituent element and 0.5~5% complex abrasion-proof constituent element, surplus bell metal powder.
Further embodiment is：The bell metal powder is configured to by mass percentage：Nickel powder 0.25~1.8%, glass putty 6
~16%, phosphorus powder 0~0.25%, iron powder 0~0.25%, zinc powder 0.5~7%, surplus is copper powder.
Further embodiment is：The duplex anti-friction constituent element is configured to by mass percentage, and copper facing molybdenum disulfide 1~
15%, copper-plated graphite 1~65%, surplus are copper facing hexagonal boron nitride.
Further embodiment is：The complex abrasion-proof constituent element is by Al2O3、SiO2And Fe3P three any one of works as or appoints
Two kinds of combinations or all three combination.
Further embodiment is：The Al2O3、SiO2And Fe3The particle size of P three is 0.1~10m.
A kind of preparation method of leadless copper base bimetal wear resistant material, the leadless copper base bimetal wear resistant material use powder
It is prepared by last metallurgical method.
Further embodiment is：
The powder metallurgy process preparation process program is followed successively by：Just burning-is first for steel plate shearing blanking-roughening-powdering-
Roll-resintering-rolls again；
Wherein：
Powdering：The powder of respective components is mixed into alloyed powder by mass percentage, and uniform ground is layered on clean, roughening
Steel plate on, powdering thickness be 1.5~4mm；
Just burn：In ammonia dissolving atmosphere N2、H2It is sintered under protective condition, 800~920 DEG C of sintering temperature, keeps the temperature 20~50min；
Breaking down：Bimetal wear resistant material after first burn is subjected to heat transfer, amount of rolling is 0.2~0.5mm；
Resintering：By the bimetal wear resistant material after breaking down in ammonia dissolving atmosphere N2、H2It is sintered under protective condition, sintering temperature
820~920 DEG C, keep the temperature 10~30min；
It rolls again：Bimetal wear resistant material after resintering is subjected to heat transfer, amount of rolling is 0.1~0.3mm.
With reference to embodiment, the present invention is further described.
Embodiment 1：
The implementation case is implemented according to the following steps：
(1) it weighs following material according to 1 mass percent of table and is uniformly mixed.
1 mixed powder of table is constituted
(2) steel prepare, and the Fine Steel Casting iron steel plate of SPCC models are selected, by the steel plate shearing opened greatly at 2.5*126*
625mm carries out degreasing and rust removal, changes and be rolled to 2*126*780mm, roughing in surface.
(3) prepared by bimetal bearing material：
Powdering：Mixed-powder uniform ground is layered on clean roughening steel plate, powdering thickness is 1.5mm；
Just burn：It is sintered under ammonia dissolving atmosphere N2, H2 protective condition, 880 DEG C of sintering temperature, keeps the temperature 30min；
Blooming and levelling：The material being sintered for the first time is placed on cold-rolling mill and is rolled, thickness 3.65mm is rolling to；
Resintering：It is sintered under ammonia dissolving atmosphere N2, H2 protective condition, 860 DEG C of sintering temperature, keeps the temperature 30min；
It rolls again：By the material finish rolling after resintering to 3.50mm.
Resulting materials are subjected to frictional wear experiment on reciprocating tester, dry friction, speed 0.1m/s, load is
5Mpa, upper sample material 40Cr steel, hardness 52HRC, test period 1h.Acquired results are：Average friction coefficient is 0.22, is put down
Equal Wear track depth is 0.15mm.
Embodiment 2：
The implementation case is implemented according to the following steps：
(1) it weighs following material according to 2 mass percent of table and is uniformly mixed.
2 mixed powder of table is constituted
The preparation method is the same as that of Example 1 for the present embodiment.
It is using frictional experiment operating mode, friction and wear test results described in embodiment 1：Friction coefficient is 0.15, polishing scratch
Depth is 0.085mm.
Embodiment 3：
The implementation case is implemented according to the following steps：
(1) it weighs following material according to 3 mass percent of table and is uniformly mixed.
3 mixed powder of table is constituted
The preparation method is the same as that of Example 1 for the present embodiment.
It is using frictional experiment operating mode, friction and wear test results described in embodiment 1：Friction coefficient is 0.18, polishing scratch
Depth is 0.12mm.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of leadless copper base bimetal wear resistant material, it is characterised in that：It is by steel plate and acid bronze alloy anti-friction wear-resistant layer group
At.
2. leadless copper base bimetal wear resistant material according to claim 1, it is characterised in that：The steel plate select SPCC or
SPHC。
3. leadless copper base bimetal wear resistant material according to claim 1, it is characterised in that：The acid bronze alloy antifriction is resistance to
Mill layer is configured to 0.5~12% duplex anti-friction constituent element and 0.5~5% complex abrasion-proof constituent element by mass percentage, and surplus is green
Copper alloy powder.
4. leadless copper base bimetal wear resistant material according to claim 3, it is characterised in that：The bell metal powder presses matter
Amount percentage is configured to：Nickel powder 0.25~1.8%, glass putty 6~16%, phosphorus powder 0~0.25%, iron powder 0~0.25%, zinc powder
0.5~7%, surplus is copper powder.
5. leadless copper base bimetal wear resistant material according to claim 3, it is characterised in that：The duplex anti-friction constituent element is pressed
Mass percent is configured to, and copper facing molybdenum disulfide 1~15%, copper-plated graphite 1~65%, surplus are copper facing hexagonal boron nitride.
6. leadless copper base bimetal wear resistant material according to claim 3, it is characterised in that：The complex abrasion-proof constituent element by
Al2O3、SiO2And Fe3P three any one of works as or any two combinations or all three combination.
7. leadless copper base bimetal wear resistant material according to claim 6, it is characterised in that：The Al2O3、SiO2And Fe3P
The particle size of three is 0.1~10m.
8. a kind of preparation method of leadless copper base bimetal wear resistant material according to claim 1 to 7 any one, special
Sign is：
The leadless copper base bimetal wear resistant material is prepared using powder metallurgy process.
9. the preparation method of leadless copper base bimetal wear resistant material according to claim 8, it is characterised in that：
The powder metallurgy process preparation process program is followed successively by：Just burning-the breaking down-of steel plate shearing blanking-roughening-powdering-
Resintering-rolls again；
Wherein：
Powdering：The powder of respective components is mixed into alloyed powder by mass percentage, and uniform ground is layered on the steel of clean roughening
On plate, powdering thickness is 1.5~4mm；
Just burn：In ammonia dissolving atmosphere N2、H2It is sintered under protective condition, 800~920 DEG C of sintering temperature, keeps the temperature 20~50min；
Breaking down：Bimetal wear resistant material after first burn is subjected to heat transfer, amount of rolling is 0.2~0.5mm；
Resintering：By the bimetal wear resistant material after breaking down in ammonia dissolving atmosphere N2、H2It is sintered under protective condition, sintering temperature 820~
920 DEG C, keep the temperature 10~30min；
It rolls again：Bimetal wear resistant material after resintering is subjected to heat transfer, amount of rolling is 0.1~0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810241537.5A CN108326316A (en) | 2018-03-22 | 2018-03-22 | A kind of leadless copper base bimetal wear resistant material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810241537.5A CN108326316A (en) | 2018-03-22 | 2018-03-22 | A kind of leadless copper base bimetal wear resistant material and preparation method thereof |
Publications (1)
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| CN109909495A (en) * | 2019-03-26 | 2019-06-21 | 河南工学院 | Environmentally friendly copper-based composite bearing material of anti-friction wear-resistant and preparation method thereof |
| CN112387975A (en) * | 2020-11-27 | 2021-02-23 | 合肥工业大学 | Lead-free copper-based self-lubricating composite bearing material and preparation method thereof |
| CN112644110A (en) * | 2020-12-08 | 2021-04-13 | 安徽汉升新材料科技有限公司 | Graphite copper powder bimetallic plate |
| CN112893844A (en) * | 2021-01-15 | 2021-06-04 | 中国矿业大学 | Preparation method of steel-based MoNiB metal ceramic screw |
| CN113293369A (en) * | 2021-05-21 | 2021-08-24 | 武汉科技大学 | Copper-based and aluminum-based alloy lubricating, friction-reducing and wear-reducing material obtained by sintering cladding method and preparation method thereof |
| RU2766601C1 (en) * | 2021-06-15 | 2022-03-15 | Государственное Научное Учреждение Институт Порошковой Металлургии Имени Академика О.В. Романа | Method for producing two-layer powder antifrictional material based on copper |
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