CN105689722A - Copper-based oil bearing material and preparation method thereof - Google Patents
Copper-based oil bearing material and preparation method thereof Download PDFInfo
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- CN105689722A CN105689722A CN201610056783.4A CN201610056783A CN105689722A CN 105689722 A CN105689722 A CN 105689722A CN 201610056783 A CN201610056783 A CN 201610056783A CN 105689722 A CN105689722 A CN 105689722A
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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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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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
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- 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
- C22C9/02—Alloys based on copper with tin as the next major constituent
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- 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
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Abstract
The invention discloses a graphene/copper oil bearing material and a preparation method thereof, and belongs to the field of graphene reinforced metal-matrix composites. Nickel powder, tin powder, copper powder and a dispersing agent are loaded on graphene according to a certain mass fraction for burdening, a planetary ball mill is used for mixing, and a graphene/copper-based oil bearing is obtained through pressing, sintering, oil immersing and die full shaping processes. The graphene is introduced by loading nickel particles on the graphene, and the purpose that graphene strengthening phases are evenly dispersed in a metal matrix to form strong interfacial chemical binding is achieved. On the other hand, copper and nickel form an infinite mutual-soluble solid solution, and the solid solution strengthening effect is achieved. The graphene/copper-based oil bearing manufactured through the method is even in structure and has good heat-conducting performance and high strength and abrasion resistance.
Description
Technical field
The invention belongs to enhancing oiliness bearing field, it is provided that a kind of method preparing cuprio oiliness bearing with graphene-supported nickel particles enhancing Cu-base composites。
Background technology
Powdered metallurgy copper base oil containing bearing is existing frequently-used, and be known as Wear vesistance height, bearing that corrosion resistance is good, but its operating temperature can only within the scope of-60 DEG C-120 DEG C, and operating temperature range is narrower。And those are stood heavy load, is the mechanical bearing of high friction velocity simultaneously, as early as possible the heat on rubbing surface is derived, become critically important。
Graphene has the heat conduction of excellence, mechanical property and self lubricity, combine realization " combination among the strong ones " by Graphene and copper, composite can be made to obtain high intensity, highly thermally conductive, low-thermal-expansion, the excellent combination property such as wear-resisting, the pliability of more estimable is Graphene is good, composite is made to be readily able to processing and process, in sum, graphene/copper composite material is expected to become a new generation's high-performance copper based composites。
Realize hardening constituent in a metal dispersed, form strong interfacial bond and to maintain the stability of its structure be prepare the key of metal-base nanometer composite material。Graphene-supported metallic is the method by being dispersed on Graphene by metallic, reaches the effective means of dispersed, isolation and chemical bond purpose。Research shows, Graphene and nickel have good associativity, introduces Graphene with graphene-supported nickel particles form, reaches that Graphene hardening constituent is dispersed in metallic matrix, form the chemically combined purpose of strong interface。On the other hand, copper and mickel forms the solid solution that infinitely dissolves each other, and plays the effect of solution strengthening。
Summary of the invention
Based on above-mentioned situation, the present invention adds other alloying element powder combining powder metallurgical technology with graphene-supported nickel particles for reinforcement and obtains Graphene/cuprio oil containing bearing material, to improve wearability and the heat conductivity performance of cuprio oiliness bearing, especially those are stood heavy load, be again the high-performance copper-based powder metallurgy oil-containing bearing used under high friction velocity working condition simultaneously。
Concrete technology step is as follows:
For meeting above-mentioned requirements, the technical scheme preparing Graphene/cuprio oiliness bearing comprises the following steps:
(1) preparation powder: in oiliness bearing, the mass fraction proportioning of each component is: graphene-supported nikel powder is 5-12%, glass putty is 6-15%, surplus is copper powder, and add the oleic acid of 0.1-0.5% as dispersant, wherein the mean diameter of glass putty is not more than 45um, the particle diameter of copper powder is not more than 80um, and the granularity of graphene-supported copper particle composite powder is 80-100 μm, and in graphene-supported nickel, nickel content is the 50-70% of gross mass；
(2) being put into by the alloy powder configured and carry out ball mill mixing in planetary ball mill, is pressed on a hydraulic press after ball milling is complete, pressing pressure is 200-300MPa, it is achieved the blank molding of bearing；
(3) being sintered in a hydrogen atmosphere by the blank of forming, sintering temperature is 850 DEG C-950 DEG C, and sintering time cools down after being 30-60min and comes out of the stove；
(4) adopt oiliness bearing special lube complete wetting under vacuum to cool down the bearing blank come out of the stove, eventually pass mould and carry out shaping；
The advantage of this method is in that adopting graphene-supported nickel is reinforcement, Graphene is made to be evenly distributed in copper-based bearings matrix, and make Graphene and metal interface fully have effective adhesive, the characteristic of maximum performance Graphene, it is effectively improved intensity and the heat conductivility of cuprio oiliness bearing, and Graphene can also play certain lubrication, improve the anti-wear performance of cuprio oiliness bearing further。
Detailed description of the invention
The graphene-supported nickel by powder of embodiment 1:5% prepares cuprio oiliness bearing
1) preparation powder: in cuprio oiliness bearing, the mass fraction proportioning of each component is: graphene-supported nikel powder is 5%, glass putty is 6%, surplus is copper powder, and add the oleic acid of 0.1% as dispersant, the mean diameter of glass putty wherein used is not more than 45 μm, the particle diameter of copper powder is not more than 80 μm, the granularity of graphene-supported copper particle composite powder is 80 μm, and in graphene-supported nickel, nickel content is the 50% of gross mass；
2) being put into by the alloy powder configured and carry out ball mill mixing in planetary ball mill, is pressed on a hydraulic press after ball milling is complete, pressing pressure is 300MPa, it is achieved the blank molding of bearing；
3) being sintered in a hydrogen atmosphere by the blank of forming, sintering temperature is 950 DEG C, and sintering time cools down after being 30min and comes out of the stove；
4) adopt oiliness bearing special lube complete wetting under vacuum to cool down the bearing blank come out of the stove, eventually pass mould and carry out full shaping。
The graphene-supported nickel by powder of embodiment 2:8% prepares cuprio oiliness bearing
1) preparation powder: in cuprio oiliness bearing, the mass fraction proportioning of each component is: graphene-supported nikel powder is 8%, glass putty is 10%, surplus is copper powder, and add the oleic acid of 0.2% as dispersant, wherein the mean diameter of glass putty used is not more than 45um, the particle diameter of copper powder is not more than 80um, the granularity of graphene-supported copper particle composite powder is 90 μm, and in graphene-supported nickel, nickel content is the 60% of gross mass；
2) being put into by the alloy powder configured and carry out ball mill mixing in planetary ball mill, is pressed on a hydraulic press after ball milling is complete, pressing pressure is 200MPa, it is achieved the blank molding of bearing；
3) being sintered in a hydrogen atmosphere by the blank of forming, sintering temperature is 850 DEG C, and sintering time cools down after being 40min and comes out of the stove；
4) adopt oiliness bearing special lube complete wetting under vacuum to cool down the bearing blank come out of the stove, eventually pass mould and carry out full shaping。
The graphene-supported nickel by powder of embodiment 3:10% prepares cuprio oiliness bearing
1) preparation powder: in cuprio oiliness bearing, the mass fraction proportioning of each component is: graphene-supported nikel powder is 10%, glass putty is 12%, surplus is copper powder, and add the oleic acid of 0.3% as dispersant, the mean diameter of glass putty wherein used is not more than 45um, the particle diameter of copper powder is not more than 80um, the granularity of graphene-supported copper particle composite powder is 100 μm, and in graphene-supported nickel, nickel content is the 60% of gross mass；
2) being put into by the alloy powder configured and carry out ball mill mixing in planetary ball mill, is pressed on a hydraulic press after ball milling is complete, pressing pressure is 250MPa, it is achieved the blank molding of bearing；
3) being sintered in a hydrogen atmosphere by the blank of forming, sintering temperature is 900 DEG C, and sintering time cools down after being 45min and comes out of the stove；
4) adopt oiliness bearing special lube complete wetting under vacuum to cool down the bearing blank come out of the stove, eventually pass mould and carry out full shaping。
The graphene-supported nickel by powder of embodiment 4:12% prepares cuprio oiliness bearing
1) preparation powder: in cuprio oiliness bearing, the mass fraction proportioning of each component is: graphene-supported nikel powder is 12%, glass putty is 15%, surplus is copper powder, and add the oleic acid of 0.5% as dispersant, the mean diameter of glass putty wherein used is not more than 45um, the particle diameter of copper powder is not more than 80um, the granularity of graphene-supported copper particle composite powder is 100 μm, and in graphene-supported nickel, nickel content is the 70% of gross mass；
2) being put into by the alloy powder configured and carry out ball mill mixing in planetary ball mill, is pressed on a hydraulic press after ball milling is complete, pressing pressure is 250MPa, it is achieved the blank molding of bearing；
3) being sintered in a hydrogen atmosphere by the blank of forming, sintering temperature is 900 DEG C, and sintering time cools down after being 60min and comes out of the stove；
4) adopt oiliness bearing special lube complete wetting under vacuum to cool down the bearing blank come out of the stove, eventually pass mould and carry out full shaping。
Graphene prepared by upper example/cuprio oiliness bearing, even tissue, there is good heat conductivility and higher intensity and wearability。
Last it is noted that obvious, above-described embodiment is only for clearly demonstrating example of the present invention, and is not the restriction to embodiment。For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description。Here without also cannot all of embodiment be given exhaustive。And the apparent change thus amplified out or variation are still among protection scope of the present invention。
Claims (2)
1. the method preparing Graphene/cuprio oiliness bearing, its processing step is:
Step one: preparation powder: in oiliness bearing, the mass fraction proportioning of each component is: graphene-supported nikel powder is 5-12%, and glass putty is 6-15%, and surplus is copper powder, and add the oleic acid of 0.1-0.5% as dispersant。Wherein the mean diameter of glass putty is not more than 45um, and the particle diameter of copper powder is not more than 80um, and the granularity of graphene-supported nickel particles composite powder is 80-100 μm, and in graphene-supported nickel, nickel content is the 50-70% of gross mass；
Step 2: put into by the alloy powder configured in planetary ball mill and carry out ball mill mixing, is pressed after ball milling is complete on a hydraulic press, and pressing pressure is 200-300MPa, it is achieved the blank molding of bearing；
Step 3: be sintered in a hydrogen atmosphere by the blank of forming, sintering temperature is 850 DEG C-950 DEG C, and sintering time cools down after being 30-60min and comes out of the stove；
Step 4: adopt oiliness bearing special lube complete wetting under vacuum to cool down the bearing blank come out of the stove, eventually pass mould and carry out shaping。
2. method according to claim 1, it is characterized in that, described Graphene is to introduce with the form of graphene-supported nickel particles composite powder, and the granularity of graphene-supported nickel particles composite powder is 80-100 μm, and in graphene-supported nickel, nickel content is the 50-70% of gross mass。
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| CN201610056783.4A CN105689722B (en) | 2016-01-23 | 2016-01-23 | A kind of copper-based oil containing bearing material and preparation method thereof |
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| CN201610056783.4A CN105689722B (en) | 2016-01-23 | 2016-01-23 | A kind of copper-based oil containing bearing material and preparation method thereof |
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| CN105689722B CN105689722B (en) | 2018-02-23 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077654A (en) * | 2016-07-29 | 2016-11-09 | 柳州豪祥特科技有限公司 | A kind of method preparing powdered metallurgical material |
| CN106111984A (en) * | 2016-07-29 | 2016-11-16 | 柳州豪祥特科技有限公司 | The technique preparing powdered metallurgical material |
| CN108220950A (en) * | 2018-03-07 | 2018-06-29 | 西迪技术股份有限公司 | A kind of face coat and preparation method for hydraulic motor |
| CN108417336A (en) * | 2018-05-21 | 2018-08-17 | 南通万宝实业有限公司 | A kind of high intensity Nd-Fe-B permanent magnet material |
| CN108453262A (en) * | 2018-03-23 | 2018-08-28 | 南通强生石墨烯科技有限公司 | A kind of graphene powder metallurgy oiliness bearing and preparation method thereof |
| CN108526460A (en) * | 2018-05-21 | 2018-09-14 | 海安县鹰球粉末冶金有限公司 | A kind of manufacturing method applied to automobile lamp motor oiliness bearing |
| CN108642321A (en) * | 2018-05-21 | 2018-10-12 | 海安县鹰球粉末冶金有限公司 | One kind being applied to automobile lamp motor oil containing bearing material |
| CN108735414A (en) * | 2018-05-21 | 2018-11-02 | 南通万宝实业有限公司 | A kind of preparation method of high intensity Nd-Fe-B permanent magnet material |
| CN108907181A (en) * | 2018-06-15 | 2018-11-30 | 广东工业大学 | Copper-based oil containing bearing material of a kind of graphene enhancing and its preparation method and application |
| CN110184507A (en) * | 2019-06-14 | 2019-08-30 | 李筱穗 | A kind of novel graphite-aluminium-based self-lubricating material that can effectively improve greasy property |
| CN111304491A (en) * | 2020-03-20 | 2020-06-19 | 兰州文理学院 | Copper-based self-lubricating composite material capable of being used at room temperature to 500 ℃ and preparation method and application thereof |
| CN111363944A (en) * | 2018-12-25 | 2020-07-03 | 上海核威实业有限公司 | Bearing alloy blank, bearing alloy, bearing material, and preparation method and application thereof |
| CN111790912A (en) * | 2020-07-10 | 2020-10-20 | 海安县鹰球粉末冶金有限公司 | Powder metallurgy high-strength copper-nickel alloy oil-containing bearing and preparation method thereof |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106111984A (en) * | 2016-07-29 | 2016-11-16 | 柳州豪祥特科技有限公司 | The technique preparing powdered metallurgical material |
| CN106077654A (en) * | 2016-07-29 | 2016-11-09 | 柳州豪祥特科技有限公司 | A kind of method preparing powdered metallurgical material |
| CN108220950A (en) * | 2018-03-07 | 2018-06-29 | 西迪技术股份有限公司 | A kind of face coat and preparation method for hydraulic motor |
| CN108453262A (en) * | 2018-03-23 | 2018-08-28 | 南通强生石墨烯科技有限公司 | A kind of graphene powder metallurgy oiliness bearing and preparation method thereof |
| WO2019223077A1 (en) * | 2018-05-21 | 2019-11-28 | 海安县鹰球粉末冶金有限公司 | Method for manufacturing oil-retaining bearing applied to automobile lamp motor |
| CN108417336A (en) * | 2018-05-21 | 2018-08-17 | 南通万宝实业有限公司 | A kind of high intensity Nd-Fe-B permanent magnet material |
| CN108526460A (en) * | 2018-05-21 | 2018-09-14 | 海安县鹰球粉末冶金有限公司 | A kind of manufacturing method applied to automobile lamp motor oiliness bearing |
| CN108642321A (en) * | 2018-05-21 | 2018-10-12 | 海安县鹰球粉末冶金有限公司 | One kind being applied to automobile lamp motor oil containing bearing material |
| CN108735414A (en) * | 2018-05-21 | 2018-11-02 | 南通万宝实业有限公司 | A kind of preparation method of high intensity Nd-Fe-B permanent magnet material |
| CN108907181A (en) * | 2018-06-15 | 2018-11-30 | 广东工业大学 | Copper-based oil containing bearing material of a kind of graphene enhancing and its preparation method and application |
| CN108907181B (en) * | 2018-06-15 | 2020-10-27 | 广东工业大学 | Graphene-reinforced copper-based oil-retaining bearing material and preparation method and application thereof |
| CN111363944A (en) * | 2018-12-25 | 2020-07-03 | 上海核威实业有限公司 | Bearing alloy blank, bearing alloy, bearing material, and preparation method and application thereof |
| CN110184507A (en) * | 2019-06-14 | 2019-08-30 | 李筱穗 | A kind of novel graphite-aluminium-based self-lubricating material that can effectively improve greasy property |
| CN111304491A (en) * | 2020-03-20 | 2020-06-19 | 兰州文理学院 | Copper-based self-lubricating composite material capable of being used at room temperature to 500 ℃ and preparation method and application thereof |
| CN111304491B (en) * | 2020-03-20 | 2021-09-24 | 兰州文理学院 | Copper-based self-lubricating composite material capable of being used at room temperature to 500 ℃ and preparation method and application thereof |
| CN111790912A (en) * | 2020-07-10 | 2020-10-20 | 海安县鹰球粉末冶金有限公司 | Powder metallurgy high-strength copper-nickel alloy oil-containing bearing and preparation method thereof |
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