CN104894494A - Preparation method of carbon fiber mesh reinforced copper-based wear-resisting material - Google Patents
Preparation method of carbon fiber mesh reinforced copper-based wear-resisting material Download PDFInfo
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 38
- 239000010949 copper Substances 0.000 title claims abstract description 38
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 22
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000005266 casting Methods 0.000 claims abstract description 23
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 45
- 239000000835 fiber Substances 0.000 claims description 45
- 229910052799 carbon Inorganic materials 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 14
- 239000003082 abrasive agent Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 210000003660 reticulum Anatomy 0.000 claims description 5
- 230000004913 activation Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000003137 locomotive effect Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 239000002585 base Substances 0.000 description 13
- 239000011159 matrix material Substances 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 238000003723 Smelting Methods 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000005551 mechanical alloying Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000581 reactive spray deposition Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- DRLFMBDRBRZALE-UHFFFAOYSA-N melatonin Chemical compound COC1=CC=C2NC=C(CCNC(C)=O)C2=C1 DRLFMBDRBRZALE-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention discloses a preparation method of carbon fiber mesh reinforced copper-based wear-resisting material, and belongs to the technical field of high-conductivity high-wear-resisting copper-based composite materials. The method is technically characterized in that a traditional casting technology is adopted to enable carbon fiber meshes to be distributed on surfaces and secondary surfaces of copper and copper alloy, and the self-lubricating wear-resisting composite material low in expansion coefficient is obtained. The material can be applied to electric locomotive sliding plate materials, sliding contact materials, electric brushes, power semiconductor supporting electrodes, integrated circuit heating panels and the like. The method has the beneficial effects that through the control over sizes of the carbon fiber meshes, the number of layers of the carbon fiber meshes and the like, the obtained composite material achieves adjustment of expansion coefficients of the wear-resisting materials of the copper and the copper alloy. The method has the advantages that the preparation method is simple, existing equipment can be utilized for preparation, the prior-period investment is small, the cost is low, and the application field is wide.
Description
Technical field
The present invention relates to a kind of preparation method of surface attachment carbon fibre web of copper base compound copper ingot, belong to high connductivity, wear-resistant copper based composites technical field.
Background technology
Along with the fast development of machinery, metallurgy, electronics, electric power, mine, traffic and aerospace industry, Cu-base composites is widely used as electrician, the electronic materials such as the lead frame of unicircuit, heater lead, resistance welding electrode, motor brush, electrical contact, bullet train aerial condutor and conduction slide plate.The particularly appearance of the new traffic tool such as magnetic levitation, requirements at the higher level are proposed to the electroconductibility of material, the aspect such as wear resistance and work-ing life, in the urgent need to exploitation, not only there is good conductive (heat) property, and there is the functional materials of higher machinery and wear resisting property, relatively low thermel expansion coefficient.
The preparation method of known copper base wearing composite material mainly contains following several:
(1) powder metallurgic method: powder metallurgic method, as the common method preparing properties of carbon fiber reinforced copper composite and ceramic particle enhancing Cu-base composites, mainly comprises following technique: powder process, shaping, sintering, finished product processing etc.Its advantage is that technical process is simple, is easy to scale operation; Shortcoming is that sintering temperature district is narrow and small, the uneven microstructure of goods, and time consumption and energy consumption, cost are higher.
(2) XD method: the method is the requirement according to design of material, select suitable reagent (gas phase, liquid phase or powder solid phase), at a proper temperature, by the chemical reaction between itself and matrix metal or alloy, in-situ preparation size is very tiny, the wild phase that is evenly distributed.In-situ reactive synthesis technology mainly contains: heat release disperse method (XD), gas liquid reaction synthesis method (VLS), self-propagating combustion reaction method (SHS), direct oxidation method (DIOMX), without pressure soaking method (PRIMEX), reactive spray-deposition method (RSD), contact reaction method (CR) and mechanical alloying method (MA) etc.Its major advantage be raw material sources extensively and price is lower, technique is relatively simple, preparation cost is low, be applicable to and can large-scale industrial production, be a kind of up-and-coming synthetic technology.Its main drawback is then that temperature of reaction is high, and after cooling, matrix is thick, and the limitednumber of wild phase, and volume fraction is also not high enough, and preparation process may introduce impurity in addition, affects material purity.
(3) composite electroplating: composite electrodeposition technique is as a kind of method preparing matrix material, compared with other method, there is lot of advantages: A) preparation process carries out in aqueous, temperature rarely exceeds 90 DEG C, therefore, except high-temperature resistant ceramic particles, various organism and the labile material of other heat all can be used as insoluble solid Granular composite in coating, make various types of matrix material.B) on the bases such as general electroplating device, plating solution, anode, transformation just can prepare composite deposite slightly, and equipment front-end investment is few, simple to operate, be easy to control, productive expense is low, energy consumption is few, is the method for the convenience economy again preparing matrix material.C) by the adjustment to deposit fluid, by distinct solids particles precipitate to metallic surface, various composite deposite can be obtained.D) processing condition by adjusting galvanic deposit change the structure of composite deposite, finally improve the machinery of matrix material, physics and chemical property.But the maximum shortcoming of the method is that the feature of environmental protection is poor, has the liquid waste disposal such as a large amount of acid, alkali in using.
The present invention, in conjunction with the relative merits of above-mentioned several method, proposes to adopt traditional melting and casting technology, in conjunction with the fixing of carbon fiber and self-lubricating property, prepares a kind of carbon fiber reinforced copper base high-abrasive material.Its advantage is smelting technique and the equipment that can utilize traditional vacuum Copper and its alloy, and early investment is few, and cost is low.
Summary of the invention
The object of the invention is to, a kind of carbon fibre web is provided to strengthen the preparation method of copper base high-abrasive material, by carbon fibre web is fixed in casting mould, the wear resistant copper-based matrix material that carbon fibre web strengthens is prepared again with traditional melting and foundry engieering, as shown in Figure 1, concrete steps are as follows for concrete technology:
(1) carbon fibre web is after surface cleaning process and activation, internal surface along casting die is fixed uniformly, distance between carbon fibre web and the internal surface of casting die is 2-5mm, each layer adjacent carbons fibrous reticulum and between distance be 1 ~ 3mm, the number of plies of carbon fibre web is 1 ~ 50 layer;
(2) casting die fixing carbon fibre web in step (1) to be put into vacuum oven, under pouring temperature is 900 ~ 1080 DEG C of conditions, the fine copper liquid of fusing or copper alloy liquid are cast to and fix in the casting die of carbon fibre web, leave standstill 5-40min; Final acquisition surface and subsurface adhere to the Cu-base composites of carbon fibre web.
The size of mesh opening of carbon fibre web of the present invention is 0.5 × 0.5 ~ 10 × 10mm; The diameter of carbon fibre web carbon fiber used is 0.001 ~ 2mm.
Copper liquid of the present invention and copper alloy liquid are all adopt traditional vacuum melting technology to obtain; Described copper alloy liquid adds pure tin in fine copper or fine aluminium melting obtains, and in copper alloy liquid, the weight percent content of tin is 1% ~ 5%, the weight percent content of aluminium is 1% ~ 10%.
The present invention defines carbon fiber mesh size and carbon fiber thickness size, is conducive to molten metal through carbon fiber, impels carbon fiber and copper or copper alloy to form good interface cohesion, the intensity of raising matrix material.
Activating technology to carbon fibre web of the present invention (the Conventional activation technology of carbon fibre web) is the interface compatibility in order to improve carbon fiber and copper or copper alloy liquid.
Technique for fixing to carbon fibre web of the present invention is to carbon fiber be made mainly to distribute and the surface of Copper and its alloy or subsurface, can play self-lubricating function, also can improve composite material surface polishing machine to Copper and its alloy surface.
The raw materials used carbon fibre web of the present invention, fine copper, pure tin, fine aluminium etc. are commercially available, purity >=99.9%.
The beneficial effect that the present invention can obtain has:
(1) the present invention by change Copper and its alloy surface self-lubricating, resistance to wear and the performance such as the coefficient of expansion, make Copper and its alloy on the basis with better electroconductibility, have excellent wear resisting property, obtain the Cu-base composites that surface arrangement several layers of carbon fibre web;
(2) the matrix material copper prepared or copper alloy matrix are combined with carbon fibre web closely;
(3) preparation method is simple, can produce in a large number, early investment cost is low at existing equipment.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Specific embodiments
Below in conjunction with drawings and Examples, the present invention is described in further detail, but protection scope of the present invention is not limited to described content.
Embodiment 1
(1) (size of mesh opening is 0.5 × 0.5mm to carbon fibre web, carbon fiber diameter is 0.001mm) after cleaning, activating technology process, internal surface along casting die is fixed uniformly, distance between carbon fibre web and the internal surface of casting die is 2mm, each layer adjacent carbons fibrous reticulum and between distance be 2mm, the number of plies of carbon fiber is 5 layers;
(2) fine copper and fine aluminium being loaded in the graphite tank of the electromagnetic induction melting in vacuum melting furnace, is 5 × 10 in vacuum tightness
-3pa, smelting temperature is melt under 1100 DEG C of conditions, and carries out induction stirring;
(3) casting die fixing carbon fibre web in step (1) to be put into vacuum oven, the X alloy that step (2) melted under pouring temperature is 900 DEG C of conditions (be 5% at the weight percentage of aluminium in copper alloys) liquid is cast to and fixes in the casting die of carbon fibre web, leaves standstill 5min; From vacuum melting furnace, take out mould, and carry out the demoulding, finally obtain fibre reinforced copper base high-abrasive material product.
Embodiment 2
(1) (size of mesh opening is 5 × 5mm to carbon fibre web, the diameter of carbon fiber is 1mm) after cleaning, activating technology process, internal surface along casting die is fixed uniformly, distance between carbon fibre web and the internal surface of casting die is 3mm, each layer adjacent carbons fibrous reticulum and between distance be 2mm, the number of plies of carbon fiber is 20 layers;
(2) being loaded by fine copper in the graphite tank of the electromagnetic induction melting in vacuum melting furnace, is 2 × 10 in vacuum tightness
-3pa, smelting temperature is melt under 1000 DEG C of conditions, and carries out induction stirring;
(3) casting die fixing carbon fibre web in step (1) to be put into vacuum oven, under pouring temperature is 1040 DEG C of conditions, the fine copper liquid that step (2) melts is cast to and fixes in the casting die of carbon fibre web, leave standstill 20min; From vacuum melting furnace, take out mould, and carry out the demoulding, finally obtain fibre reinforced copper base high-abrasive material product.
Embodiment 3
(1) (size of mesh opening is 10 × 10mm to carbon fibre web, the diameter of carbon fiber is 2mm) after cleaning, activating technology process, internal surface along casting die is fixed uniformly, distance between carbon fibre web and the internal surface of casting die is 5mm, each layer adjacent carbons fibrous reticulum and between distance be 3mm, the number of plies of carbon fiber is 45 layers;
(2) fine copper and pure tin being loaded in the graphite tank of the electromagnetic induction melting in vacuum melting furnace, is 3 × 10 in vacuum tightness
-4pa, smelting temperature is melt under 1050 DEG C of conditions, and carries out induction stirring;
(3) casting die fixing carbon fibre web in step (1) to be put into vacuum oven, gunmetal (weight percentage of tin is 3% in copper alloy) liquid step (2) melted under pouring temperature is 1080 DEG C of conditions is cast to and fixes in the casting die of carbon fibre web, leaves standstill 40min; From vacuum melting furnace, take out mould, and carry out the demoulding, finally obtain fibre reinforced copper base high-abrasive material product.
Claims (3)
1. carbon fibre web strengthens a preparation method for copper base high-abrasive material, it is characterized in that, specifically comprises the following steps:
(1) carbon fibre web is after surface cleaning process and activation, internal surface along casting die is fixed uniformly, distance between carbon fibre web and the internal surface of casting die is 2-5mm, and the distance between each layer adjacent carbons fibrous reticulum is 1 ~ 3mm, and the number of plies of carbon fibre web is 1 ~ 50 layer;
(2) casting die fixing carbon fibre web in step (1) to be put into vacuum oven, under pouring temperature is 900 ~ 1080 DEG C of conditions, the fine copper liquid of fusing or copper alloy liquid are cast to and fix in the casting die of carbon fibre web, leave standstill 5 ~ 40min; Final acquisition surface and subsurface adhere to the Cu-base composites of carbon fibre web.
2. carbon fibre web according to claim 1 strengthens the preparation method of copper base high-abrasive material, it is characterized in that: the grid of described carbon fibre web is of a size of 0.5 × 0.5 ~ 10 × 10mm; Carbon fibre web carbon fiber diameter used is 0.001 ~ 2mm.
3. carbon fibre web according to claim 1 strengthens the preparation method of copper base high-abrasive material, it is characterized in that: described copper alloy liquid adds pure tin in fine copper or fine aluminium melting obtains, in copper alloy liquid, the weight percent content of tin is 1% ~ 5%, the weight percent content of aluminium is 1% ~ 10%.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256168A (en) * | 2015-10-26 | 2016-01-20 | 三峡大学 | Copper-based graphite self-lubricating composite material and preparing method thereof |
| CN105356101A (en) * | 2015-11-24 | 2016-02-24 | 宁波市鄞州永佳连接器件厂（普通合伙） | Television closed-circuit connector |
| CN105406249A (en) * | 2015-11-24 | 2016-03-16 | 宁波市鄞州永佳连接器件厂（普通合伙） | Electronic keyboard connector |
| CN105463245A (en) * | 2015-11-24 | 2016-04-06 | 宁波市鄞州永佳连接器件厂（普通合伙） | Television closed circuit connector |
| CN106270459A (en) * | 2016-08-29 | 2017-01-04 | 昆明理工大学 | A kind of preparation method of copper-base pantograph slide plate |
| CN109676111A (en) * | 2019-01-23 | 2019-04-26 | 马鞍山市海天重工科技发展有限公司 | The running gate system of half bend pipe of fibre reinforced |
| CN110430716A (en) * | 2019-06-30 | 2019-11-08 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The preparation method of efficient soaking plate |
| CN112375998A (en) * | 2020-11-10 | 2021-02-19 | 西安工程大学 | Preparation method of copper-based carbon fiber bearing bush |
| CN113512689A (en) * | 2021-07-06 | 2021-10-19 | 北京科技大学 | Mold and method for preparing spiral carbon fiber reinforced metal composite material |
| CN113976859A (en) * | 2021-11-24 | 2022-01-28 | 昆明理工大学 | Uniform and continuous iron phase reinforced copper high-speed rail brake friction block and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256168A (en) * | 2015-10-26 | 2016-01-20 | 三峡大学 | Copper-based graphite self-lubricating composite material and preparing method thereof |
| CN105356101A (en) * | 2015-11-24 | 2016-02-24 | 宁波市鄞州永佳连接器件厂（普通合伙） | Television closed-circuit connector |
| CN105406249A (en) * | 2015-11-24 | 2016-03-16 | 宁波市鄞州永佳连接器件厂（普通合伙） | Electronic keyboard connector |
| CN105463245A (en) * | 2015-11-24 | 2016-04-06 | 宁波市鄞州永佳连接器件厂（普通合伙） | Television closed circuit connector |
| CN106270459A (en) * | 2016-08-29 | 2017-01-04 | 昆明理工大学 | A kind of preparation method of copper-base pantograph slide plate |
| CN106270459B (en) * | 2016-08-29 | 2019-02-05 | 昆明理工大学 | A kind of preparation method of copper-base pantograph slide plate |
| CN109676111A (en) * | 2019-01-23 | 2019-04-26 | 马鞍山市海天重工科技发展有限公司 | The running gate system of half bend pipe of fibre reinforced |
| CN110430716A (en) * | 2019-06-30 | 2019-11-08 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The preparation method of efficient soaking plate |
| CN112375998A (en) * | 2020-11-10 | 2021-02-19 | 西安工程大学 | Preparation method of copper-based carbon fiber bearing bush |
| CN112375998B (en) * | 2020-11-10 | 2022-03-04 | 西安工程大学 | Preparation method of copper-based carbon fiber bearing bush |
| CN113512689A (en) * | 2021-07-06 | 2021-10-19 | 北京科技大学 | Mold and method for preparing spiral carbon fiber reinforced metal composite material |
| CN113976859A (en) * | 2021-11-24 | 2022-01-28 | 昆明理工大学 | Uniform and continuous iron phase reinforced copper high-speed rail brake friction block and preparation method thereof |
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