CN106916985A - The preparation method of high heat conduction graphite/aluminium composite material - Google Patents
The preparation method of high heat conduction graphite/aluminium composite material Download PDFInfo
- Publication number
- CN106916985A CN106916985A CN201511001044.7A CN201511001044A CN106916985A CN 106916985 A CN106916985 A CN 106916985A CN 201511001044 A CN201511001044 A CN 201511001044A CN 106916985 A CN106916985 A CN 106916985A
- Authority
- CN
- China
- Prior art keywords
- graphite
- heat conduction
- powder
- high heat
- aluminium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- 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
- B22F1/17—Metallic particles coated with metal
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
Abstract
The present invention relates to a kind of preparation method of high heat conduction graphite/aluminium composite material, belong to high-thermal conductivity electronic packaging material technology of preparing and thermal management materials technical field.The method titanizing on powdered graphite, by aluminium and/or Al alloy powder rolling sheet, titanizing powdered graphite and flaky aluminum and/or Al alloy powder are carried out ball milling mixing and obtain composite granule in proportion, then well mixed graphite/aluminium powder is fitted into graphite jig, using powder metallurgy hot pressing, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.The inventive method solves the problems, such as existing graphite/aluminium composite material low thermal conductivity, improves the thermal conductivity of graphite/aluminium composite material, and process is simple, efficiency high, low cost.
Description
Technical field
The present invention relates to a kind of preparation method of high heat conduction graphite/aluminium composite material, the graphite/aluminium composite material lightweight of the method preparation, thermal conductivity are high, thermal coefficient of expansion is low, belong to high-thermal conductivity electronic packaging material technology of preparing and thermal management materials technical field.
Background technology
With the development of microelectronic component, in order to further improve the heat conductivility of metal-base composites, carbon is widely studied as reinforcement.Such as graphite, CNT, carbon fiber and diamond, but dispersion of the CNT in metallic matrix and aligning always technological difficulties makes it cannot large-scale application, carbon fiber aluminum preparation technology it is difficult and it is expensive it is popularized, diamond aluminum machinability difference and high cost limit its development.Therefore graphite and aluminum metal are combined and prepare graphite/aluminium composite material, to have the advantages that lightweight, low-expansion coefficient, high heat conductance, high connductivity, solid foundation will be established for the miniaturization of electronic device, lightweight, had great importance in the development of modern industry and field of aerospace.
Graphite includes high heat conduction flake graphite and Graphene.The advantages of high heat conduction flake graphite possesses degree of graphitization high, big crystallite dimension, low cost and good processability.Graphene has the excellent mechanical performance suitable with CNT, the thermophysical property of low-expansion coefficient and high thermal conductivity etc..Both receives the increasing concern of people in the application of field of heat management.Because graphite is easy to aluminium generation interfacial reaction at high temperature, Al is generated4C3.On the one hand, Al4C3Thermal conductivity is low, and the generation of the phase can significantly reduce the thermal conductivity of composite；On the other hand, Al4C3Stability is poor, meets acid, alkali and water electrode and two decomposition that chemically react easily occur, and causing the chemical stability of composite reduces；Additionally, Al4C3Fragility is big, easily causes compound interface to ftracture and cause material failure.Regarding to the issue above, it is domestic mainly to fill interphase by basic asphalt mixture and in graphite to solve.Xiao Rui of domestic Harbin Institute of Technology etc. is prepared for Graphene aluminium composite material using pressure infiltration method, in order to improve the surface wettability of composite and suppress Al4C3Generation, it has selected Al-20Si alloys, but heat conductivity is 180W/mK.Orientation heat conduction high heat conduction flake graphite/aluminum matrix composite that domestic Harbin Institute of Technology's force Gao Hui et al. is prepared using impact shock and pressure assistant metal method of impregnation.Although the thermal conductivity of the method does not take the means of interface modification to reduce interface resistance, it is difficult to large-scale application in 200~700W/mK, its interfacial reaction for not considering graphite/aluminium composite material.TaiWan, China scientist Chih-Jong Chang manufacture hole by way of taking and adding synthetic mesophase phase carbon microspheres between adjacent natural high heat conduction flake graphite and are spaced to increase infiltration, take liquid pressure method of impregnation to prepare high heat conduction flake graphite/aluminum matrix composite.When content of graphite is 70~90%, its thermal conductivity reaches as high as 500~600W/mK, but the addition of carbon microspheres makes its maximum thermal conductivity reduction and mechanical property is not high.Observed from metallographic, even if take addition synthetic mesophase phase carbon microspheres to increase gap to promote infiltration, aluminium does not also melt and is seeped into inside graphite flake.
The content of the invention
It is low it is an object of the invention to solve the problems, such as existing graphite/aluminium composite material thermal conductivity, there is provided a kind of method for preparing graphite/aluminium composite material, obtain lightweight, high heat conduction, the new material of low bulk.High heat conduction graphite/aluminium composite material that the present invention is provided, using high heat conduction graphite as reinforcement, using methods such as the micro- evaporation of vacuum or magnetron sputterings in graphite surface titanizing, rolling processing flaky aluminum and Al-alloy metal powder, high heat conduction, low bulk graphite/aluminium composite material are prepared using powder metallurgy process such as discharge plasma sintering and hot pressed sinterings.
A kind of preparation method of high heat conduction graphite/aluminium composite material, the titanizing on powdered graphite, by aluminium and/or Al alloy powder rolling sheet, titanizing powdered graphite and flaky aluminum and/or Al alloy powder are carried out ball milling mixing and obtain composite granule in proportion, then well mixed graphite/aluminium powder is fitted into graphite jig, using powder metallurgy hot pressing, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.
In the above method, then described flaky aluminum and/or Al alloy powder are rolled by pure aluminium powder and/or Al alloy powder and ethanol mixing pulp on duo mill, after cooling, cleaned, be dried to obtain.
Preferably, described pure aluminium powder and/or Al alloy powder and the volume ratio of ethanol are 1:2-3:1；Draught pressure is 50-70Mpa, and mill speed is that 40-60 turns/min.
Described aluminium alloy is one kind or wherein several mixtures in Al-Si systems alloy, Al-Cu systems alloy, Al-Mg systems alloy, Al-Si-Cu systems alloy, Al-Si-Mg systems alloy, Al-Cu-Mg alloy and Al-Si-Cu-Mg systems alloy.
Wherein, the granularity of described pure aluminium powder is 100~500 mesh, and the granularity of described Al alloy powder is 100~500 mesh.
In the above method, described powdered graphite is one or two the mixture in high heat conduction flake graphite powder and graphene powder, and high heat conduction flake graphite powder granularity is 10~500 μm, and the granularity of graphene powder is 1~15 μm.
Wherein, powdered graphite titanizing thickness is 0.5~2 μm, and technology for plating titanium is micro- evaporation titanizing or the magnetron sputtering titanizing of vacuum.
In composite granule, the volume fraction of titanizing powdered graphite is 1~85%, preferably 1~50%.
In the above method, described powder metallurgy is that discharge plasma is sintered or hot pressed sintering, and sintering temperature is 500~600 DEG C, and programming rate is 20~100 DEG C/min, apply the pressure of 20~50MPa in temperature-rise period, reach heat-insulation pressure keeping 20~40 minutes after sintering temperature.
High heat conduction graphite/aluminium composite material that the present invention is obtained is prepared from by high heat conduction reinforcement and metallic matrix are complex sintered, and high heat conduction reinforcement is high heat conduction graphite, and metallic matrix is pure aluminum or aluminum alloy, and sintering method is that discharge plasma is sintered or hot pressed sintering.
Advantages of the present invention is as follows：
Aluminium gold metal particles are become flaky aluminum and improve its distributing homogeneity by the present invention, and graphite particle ti coat on diamond improves the interface cohesion of composite, suppresses Al4C3Harmful phase is generated, so as to be conducive to material to obtain good combination property.
The preparation method of graphite/aluminium composite material that the present invention is provided, on the premise of ensureing that material is highly reliable, improve the heat conductivility of the composite of existing method preparation, reduce thermal coefficient of expansion, preparation process is simple, low cost and material density is high, overcomes the deficiency of graphite and aluminium wetability, and reduce interface A l4C3Generation.
Specific embodiment
The method that the present invention prepares high heat conduction graphite/aluminium composite material, high heat conduction graphite/aluminium composite material sample, including operating procedure in detail below are prepared using powder metallurgy process such as discharge plasma sintering or hot pressed sinterings：
Step one：Pure aluminium powder and/or Al alloy powder are carried out rolling the Al alloy powder for being mixed to get that form is sheet；
Step 2：Using methods such as the micro- evaporation of vacuum or magnetron sputterings in graphite surface titanium deposition, thickness of coating is 0.5~2 μm；
Step 3：Titanizing graphite and sheet Al alloy powder are carried out into ball milling mixing and obtains composite granule；The volume fraction of titanizing graphite is 1~85%；
Step 4：Graphite/the aluminium composite material of high heat conduction is prepared using the powder metallurgy process of discharge plasma sintering or hot pressed sintering, using the programming rate of 20~100 DEG C/min, to be heated to sintering temperature be 500~600 DEG C, and apply the pressure of 20~50MPa in temperature-rise period, reach heat-insulation pressure keeping 20~40 minutes after sintering temperature.
The method of the present invention will be described further by specific example below.
Embodiment 1
Raw material：High heat conduction flake graphite powder granularity is -32 mesh, and the granularity of aluminium powder is -200 mesh, and graphite volume fraction is 50%.
By aluminium powder and ethanol 1:1 (volume ratio) mixes pulp, is then rolled on duo mill, and draught pressure is 50Mpa, and mill speed is 40r/min, and cooling is cleaned and dried to obtain.
By above-mentioned high heat conduction flake graphite powder using micro- 0.5 μm of the titanizing of evaporation of vacuum, then with sheet pure aluminium powder by volume 50:50 carry out being mixed to get composite powder.Well mixed graphite/aluminium powder is fitted into graphite jig, sintering temperature as 560 DEG C is heated to the programming rate of 100 DEG C/min, and apply the pressure of 40MPa in temperature-rise period, reach heat-insulation pressure keeping 20 minutes after sintering temperature, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.Its thermal conductivity is 228W/mK, and thermal coefficient of expansion is 9.2PPm/K.
Embodiment 2
Raw material：High heat conduction flake graphite powder granularity is -50 mesh, and the granularity of aluminium powder is -200 mesh, and graphite volume fraction is 30%.
By aluminium powder and ethanol 1:2 (volume ratios) mix pulp, are then rolled on duo mill, and draught pressure is 70Mpa, and mill speed is 50r/min, and cooling is cleaned and dried to obtain.
By above-mentioned high heat conduction flake graphite powder using micro- 0.5 μm of the titanizing of evaporation of vacuum, then with sheet pure aluminium powder by volume 30:70 carry out being mixed to get composite powder.Well mixed graphite/aluminium powder is fitted into graphite jig, sintering temperature as 560 DEG C is heated to the programming rate of 100 DEG C/min, and apply the pressure of 40MPa in temperature-rise period, reach heat-insulation pressure keeping 20 minutes after sintering temperature, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.Its thermal conductivity is 336W/mK, and thermal coefficient of expansion is 8.7PPm/K.
Embodiment 3
Raw material：High heat conduction flake graphite powder granularity is -50 mesh, and the granularity of aluminium powder is -200 mesh, and graphite volume fraction is 10%.
By aluminium powder and ethanol 2:1 (volume ratio) mixes pulp, is then rolled on duo mill, and draught pressure is 60Mpa, and mill speed is 60r/min, and cooling is cleaned and dried to obtain.
By above-mentioned high heat conduction flake graphite powder using micro- 0.5 μm of the titanizing of evaporation of vacuum, then with sheet pure aluminium powder by volume 10:90 carry out being mixed to get composite powder.Well mixed graphite/aluminium powder is fitted into graphite jig, sintering temperature as 560 DEG C is heated to the programming rate of 100 DEG C/min, and apply the pressure of 40MPa in temperature-rise period, reach heat-insulation pressure keeping 20 minutes after sintering temperature, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.Its thermal conductivity is 319W/mK, and thermal coefficient of expansion is 9.6PPm/K.
Embodiment 4
Raw material：High heat conduction flake graphite powder granularity is -100 mesh, and the granularity of aluminium powder is -200 mesh, and graphite volume fraction is 30%.
By aluminium powder and ethanol 3:1 (volume ratio) mixes pulp, is then rolled on duo mill, and draught pressure is 52Mpa, and mill speed is 45r/min, and cooling is cleaned and dried to obtain.
By above-mentioned high heat conduction flake graphite powder using micro- 0.5 μm of the titanizing of evaporation of vacuum, then with sheet pure aluminium powder by volume 30:70 carry out being mixed to get composite powder.Well mixed graphite/aluminium powder is fitted into graphite jig, sintering temperature as 560 DEG C is heated to the programming rate of 100 DEG C/min, and apply the pressure of 40MPa in temperature-rise period, reach heat-insulation pressure keeping 20 minutes after sintering temperature, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.Its thermal conductivity is 351W/mK, and thermal coefficient of expansion is 8.6PPm/K.
Embodiment 5
Raw material：High heat conduction flake graphite powder granularity is -100 mesh, and the granularity of aluminium powder is -200 mesh, and graphite volume fraction is 40%.
By aluminium powder and ethanol 3:1 (volume ratio) mixes pulp, is then rolled on duo mill, and draught pressure is 65Mpa, and mill speed is 55r/min, and cooling is cleaned and dried to obtain.
By above-mentioned high heat conduction flake graphite powder using micro- 1 μm of the titanizing of evaporation of vacuum, then with sheet pure aluminium powder by volume 40:60 carry out being mixed to get composite powder.Well mixed graphite/aluminium powder is fitted into graphite jig, sintering temperature as 580 DEG C is heated to the programming rate of 100 DEG C/min, and apply the pressure of 40MPa in temperature-rise period, reach heat-insulation pressure keeping 30 minutes after sintering temperature, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.Its thermal conductivity is 416W/mK, and thermal coefficient of expansion is 8.0PPm/K.
Embodiment 6
Raw material：Graphene powder granularity is -600 mesh, and the granularity of aluminium powder is -200 mesh, and Graphene volume fraction is 1%.
By aluminium powder and ethanol 2:1 (volume ratio) mixes pulp, is then rolled on duo mill, and draught pressure is 55Mpa, and mill speed is 40r/min, and cooling is cleaned and dried to obtain.
By above-mentioned graphene powder using micro- 0.5 μm of the titanizing of evaporation of vacuum, then with sheet pure aluminium powder by volume 1:99 carry out being mixed to get composite powder.Well mixed graphite/aluminium powder is fitted into graphite jig, sintering temperature as 580 DEG C is heated to the programming rate of 100 DEG C/min, and apply the pressure of 40MPa in temperature-rise period, reach heat-insulation pressure keeping 20 minutes after sintering temperature, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.Its thermal conductivity is 404W/mK, and thermal coefficient of expansion is 8.3PPm/K.
Embodiment 7
Raw material：Powdered graphite granularity is -600 mesh, AlSi16Mg0.5Cu3The granularity of Al alloy powder is -200 mesh, and graphite volume fraction is 50%.
By Al alloy powder and ethanol 2:1 (volume ratio) mixes pulp, is then rolled on duo mill, and draught pressure is 70Mpa, and mill speed is 50r/min, and cooling is cleaned and dried to obtain.
By above-mentioned powdered graphite using micro- 0.5 μm of the titanizing of evaporation of vacuum, then with sheet AlSi16Mg0.5Cu3Al alloy powder by volume 50:50 carry out being mixed to get composite powder.Well mixed graphite/aluminium powder composite granule is fitted into mould, sintering temperature as 570 DEG C is heated to the programming rate of 100 DEG C/min, and apply the pressure of 40MPa in temperature-rise period, reach heat-insulation pressure keeping 20 minutes after sintering temperature, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.Its thermal conductivity is 420W/mK, and thermal coefficient of expansion is 7.1PPm/K.
Embodiment 8
Raw material：Powdered graphite granularity is -600 mesh, AlSi7The granularity of alloy powder is -200 mesh, and graphite volume fraction is 60%.
By Al alloy powder and ethanol 3:1 (volume ratio) mixes pulp, is then rolled on duo mill, and draught pressure is 60Mpa, and mill speed is 45r/min, and cooling is cleaned and dried to obtain.
By above-mentioned powdered graphite using micro- 0.5 μm of the titanizing of evaporation of vacuum, then with sheet AlSi7Alloy powder by volume 60:40 carry out being mixed to get composite powder.Well mixed graphite/aluminium powder composite granule is fitted into mould, sintering temperature as 570 DEG C is heated to the programming rate of 100 DEG C/min, and apply the pressure of 50MPa in temperature-rise period, reach heat-insulation pressure keeping 30 minutes after sintering temperature, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.Its thermal conductivity is 430W/mK, and thermal coefficient of expansion is 6.3PPm/K.
Embodiment 9
Raw material：Powdered graphite granularity is -600 mesh, AlCu15The granularity of alloy powder is -200 mesh, and graphite volume fraction is 70%.
By Al alloy powder and ethanol 3:1 (volume ratio) mixes pulp, is then rolled on duo mill, and draught pressure is 50Mpa, and mill speed is 60r/min, and cooling is cleaned and dried to obtain.
By above-mentioned powdered graphite using micro- 0.5 μm of the titanizing of evaporation of vacuum, then with sheet AlCu15Alloy powder by volume 70:30 carry out being mixed to get composite powder.Well mixed graphite/aluminium powder composite granule is fitted into mould, sintering temperature as 580 DEG C is heated to the programming rate of 100 DEG C/min, and apply the pressure of 40MPa in temperature-rise period, reach heat-insulation pressure keeping 40 minutes after sintering temperature, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.Its thermal conductivity is 458W/mK, and thermal coefficient of expansion is 6.0PPm/K.
Embodiment 10
Raw material：Powdered graphite granularity is -600 mesh, AlCu5Mg1The granularity of alloy powder is -200 mesh, and graphite volume fraction is 85%.
By Al alloy powder and ethanol 3:1 (volume ratio) mixes pulp, is then rolled on duo mill, and draught pressure is 65Mpa, and mill speed is 40r/min, and cooling is cleaned and dried to obtain.
By above-mentioned powdered graphite using micro- 0.5 μm of the titanizing of evaporation of vacuum, then with sheet AlCu5Mg1Alloy powder by volume 85:15 carry out being mixed to get composite powder.Well mixed graphite/aluminium powder composite granule is fitted into mould, sintering temperature as 580 DEG C is heated to the programming rate of 100 DEG C/min, and apply the pressure of 50MPa in temperature-rise period, reach heat-insulation pressure keeping 40 minutes after sintering temperature, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.Its thermal conductivity is 470W/mK, and thermal coefficient of expansion is 5.0PPm/K.
Preparation method of the invention solves the problems, such as existing graphite/aluminium composite material low thermal conductivity, improves the thermal conductivity of graphite/aluminium composite material, and process is simple, efficiency high, low cost.
Claims (10)
1. a kind of preparation method of high heat conduction graphite/aluminium composite material, comprises the following steps：Plated on powdered graphite
Titanium, aluminium and/or Al alloy powder rolling sheet press titanizing powdered graphite with flaky aluminum and/or Al alloy powder
Ratio carries out ball milling mixing and obtains composite granule, and then well mixed graphite/aluminium powder is fitted into graphite jig, adopts
Powder metallurgy hot pressing is used, after being cooled down with mould, the demoulding obtains the graphite/aluminium composite material of high heat conduction.
2. the preparation method of high heat conduction graphite/aluminium composite material according to claim 1, it is characterised in that：Institute
The flaky aluminum and/or Al alloy powder stated are by aluminium powder and/or Al alloy powder and ethanol mixing pulp, Ran Hou
Rolled on duo mill, after cooling, clean, be dried to obtain.
3. the preparation method of high heat conduction graphite/aluminium composite material according to claim 2, it is characterised in that：Institute
The draught pressure stated is 50-70Mpa, and mill speed is that 40-60 turns/min.
4. the preparation method of high heat conduction graphite/aluminium composite material according to claim 2, it is characterised in that：Institute
The aluminium alloy stated is Al-Si systems alloy, Al-Cu systems alloy, Al-Mg systems alloy, Al-Si-Cu systems alloy, Al-Si-Mg
It is the one kind or wherein several mixtures in alloy, Al-Cu-Mg alloy and Al-Si-Cu-Mg systems alloy.
5. the preparation method of high heat conduction graphite/aluminium composite material according to claim 2, it is characterised in that：Institute
The granularity of the aluminium powder stated is 100~500 mesh, and the granularity of described Al alloy powder is 100~500 mesh.
6. the preparation method of high heat conduction graphite/aluminium composite material according to claim 1, it is characterised in that：Institute
The powdered graphite stated is high heat conduction flake graphite powder and/or graphene powder；Described high heat conduction flake graphite powder
Granularity is 10~500 μm, and the granularity of described graphene powder is 1~15 μm.
7. the preparation method of high heat conduction graphite/aluminium composite material according to claim 6, it is characterised in that：Institute
The powdered graphite titanizing thickness stated is 0.5~2 μm, and technology for plating titanium is micro- evaporation titanizing or the magnetron sputtering titanizing of vacuum.
8. the preparation method of high heat conduction graphite/aluminium composite material according to claim 1, it is characterised in that：Institute
In the composite granule stated, the volume fraction of titanizing powdered graphite is 1~85%.
9. the preparation method of high heat conduction graphite/aluminium composite material according to claim 1, it is characterised in that：Institute
The powder metallurgic method stated is that discharge plasma is sintered or hot pressed sintering, and sintering temperature is 500~600 DEG C, and heat up speed
It is 20~100 DEG C/min to spend, and the pressure of 20~50MPa is applied in temperature-rise period, and guarantor is incubated after reaching sintering temperature
Pressure 20~40 minutes.
10. prepared by the preparation method of the high heat conduction graphite/aluminium composite material according to any one of claim 1-9
High heat conduction graphite/aluminium composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001044.7A CN106916985A (en) | 2015-12-28 | 2015-12-28 | The preparation method of high heat conduction graphite/aluminium composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001044.7A CN106916985A (en) | 2015-12-28 | 2015-12-28 | The preparation method of high heat conduction graphite/aluminium composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106916985A true CN106916985A (en) | 2017-07-04 |
Family
ID=59455073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511001044.7A Pending CN106916985A (en) | 2015-12-28 | 2015-12-28 | The preparation method of high heat conduction graphite/aluminium composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106916985A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108149052A (en) * | 2018-01-15 | 2018-06-12 | 青岛海源实业有限公司 | A kind of high ferro train babinet graphene reinforced aluminum matrix composites and preparation method thereof |
| CN108326302A (en) * | 2018-02-26 | 2018-07-27 | 华南理工大学 | A kind of graphene enhancing aluminum alloy materials and preparation method thereof |
| CN108677052A (en) * | 2018-04-04 | 2018-10-19 | 国网山东省电力公司电力科学研究院 | A kind of particle enhanced aluminum-based composite material and preparation method thereof |
| CN108817381A (en) * | 2018-05-14 | 2018-11-16 | 兰州交通大学 | A kind of low bulk flake graphite/carbon nanotube/aluminium composite material preparation method |
| CN108893636A (en) * | 2018-06-27 | 2018-11-27 | 北京科技大学 | A kind of preparation method of high thermal conductivity isotropic graphite ball reinforced aluminum matrix composites |
| CN109047754A (en) * | 2018-08-30 | 2018-12-21 | 兰州交通大学 | A kind of high thermal conductivity flake graphite/graphene/metallic composite preparation method |
| CN109207780A (en) * | 2018-09-17 | 2019-01-15 | 南昌大学 | A kind of milling method enhancing AZ31 magnesium alloy |
| CN109652686A (en) * | 2018-12-14 | 2019-04-19 | 珠海市润星泰电器有限公司 | High thermal conductivity aluminium alloy and preparation method thereof |
| CN110076333A (en) * | 2019-04-08 | 2019-08-02 | 江苏豪然新材料有限公司 | Al-Si-Cu-Mg alloy powder hot-pressing sintering method is shaped using injection |
| CN110193600A (en) * | 2019-05-09 | 2019-09-03 | 西安交通大学 | A kind of preparation method of titanium carbide enhancing titanium coated graphite powder |
| CN110293229A (en) * | 2019-07-05 | 2019-10-01 | 长飞光纤光缆股份有限公司 | A kind of graphene film-ferroalloy composite material and preparation method |
| CN110423922A (en) * | 2019-08-26 | 2019-11-08 | 中国矿业大学 | A kind of silico-aluminum and its preparation method and application for Electronic Packaging |
| CN111118326A (en) * | 2020-02-24 | 2020-05-08 | 江苏新奥碳纳米材料应用技术研究院有限公司 | Graphene aluminum-coated/aluminum-based heat dissipation material and preparation method thereof |
| CN111636006A (en) * | 2020-05-29 | 2020-09-08 | 香港生产力促进局 | Aluminum-silicon alloy graphite composite heat conduction material and preparation and application thereof |
| CN111647779A (en) * | 2020-06-19 | 2020-09-11 | 合肥工业大学 | Al alloy-based composite material with excellent processability and preparation method thereof |
| CN113564404A (en) * | 2021-07-13 | 2021-10-29 | 珠海亿特立新材料有限公司 | Aluminum-based graphite particle reinforced composite material and method and heat dissipation adaptor |
| CN113789455A (en) * | 2021-08-31 | 2021-12-14 | 南昌大学 | High-strength high-thermal-conductivity aluminum-based composite material and preparation method thereof |
| CN115572875A (en) * | 2022-10-14 | 2023-01-06 | 长飞光纤光缆股份有限公司 | Preparation method of diamond-reinforced graphite aluminum high-thermal-conductivity composite material |
| CN115612882A (en) * | 2022-07-11 | 2023-01-17 | 有研工程技术研究院有限公司 | Flake graphite/boron nitride hybrid reinforced aluminum matrix composite material and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60131944A (en) * | 1983-12-19 | 1985-07-13 | Sumitomo Electric Ind Ltd | Superheat-and wear-resistant aluminum alloy and its manufacture |
| CN1944698A (en) * | 2006-10-24 | 2007-04-11 | 北京科技大学 | Super high heat conduction, low heat expansion coefficient composite material and its preparing method |
| CN103343265A (en) * | 2013-07-24 | 2013-10-09 | 上海交通大学 | Aluminum matrix composite with low expansion and high thermal conductivity reinforced by mixing graphite and silicon |
| CN103911565A (en) * | 2014-04-23 | 2014-07-09 | 北京科技大学 | Preparation method of high-thermal-conductivity graphite whisker-oriented and reinforced metal-based composite material |
| CN103924119A (en) * | 2014-04-23 | 2014-07-16 | 北京科技大学 | Ultrahigh heat conduction graphite flake/copper composite material and preparation method thereof |
| CN104451227A (en) * | 2014-12-10 | 2015-03-25 | 济南大学 | Preparation method of copper-plated graphene reinforced metal-based composite |
| CN104831099A (en) * | 2015-04-07 | 2015-08-12 | 苏州阿罗米科技有限公司 | Preparation method of aluminum-carbon composite material |
-
2015
- 2015-12-28 CN CN201511001044.7A patent/CN106916985A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60131944A (en) * | 1983-12-19 | 1985-07-13 | Sumitomo Electric Ind Ltd | Superheat-and wear-resistant aluminum alloy and its manufacture |
| CN1944698A (en) * | 2006-10-24 | 2007-04-11 | 北京科技大学 | Super high heat conduction, low heat expansion coefficient composite material and its preparing method |
| CN103343265A (en) * | 2013-07-24 | 2013-10-09 | 上海交通大学 | Aluminum matrix composite with low expansion and high thermal conductivity reinforced by mixing graphite and silicon |
| CN103911565A (en) * | 2014-04-23 | 2014-07-09 | 北京科技大学 | Preparation method of high-thermal-conductivity graphite whisker-oriented and reinforced metal-based composite material |
| CN103924119A (en) * | 2014-04-23 | 2014-07-16 | 北京科技大学 | Ultrahigh heat conduction graphite flake/copper composite material and preparation method thereof |
| CN104451227A (en) * | 2014-12-10 | 2015-03-25 | 济南大学 | Preparation method of copper-plated graphene reinforced metal-based composite |
| CN104831099A (en) * | 2015-04-07 | 2015-08-12 | 苏州阿罗米科技有限公司 | Preparation method of aluminum-carbon composite material |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108149052B (en) * | 2018-01-15 | 2020-05-19 | 青岛海源实业有限公司 | Graphene reinforced aluminum-based composite material for high-speed rail train carriage body and preparation method thereof |
| CN108149052A (en) * | 2018-01-15 | 2018-06-12 | 青岛海源实业有限公司 | A kind of high ferro train babinet graphene reinforced aluminum matrix composites and preparation method thereof |
| CN108326302A (en) * | 2018-02-26 | 2018-07-27 | 华南理工大学 | A kind of graphene enhancing aluminum alloy materials and preparation method thereof |
| CN108677052B (en) * | 2018-04-04 | 2019-10-11 | 国网山东省电力公司电力科学研究院 | A kind of particle enhanced aluminum-based composite material and preparation method thereof |
| CN108677052A (en) * | 2018-04-04 | 2018-10-19 | 国网山东省电力公司电力科学研究院 | A kind of particle enhanced aluminum-based composite material and preparation method thereof |
| CN108817381A (en) * | 2018-05-14 | 2018-11-16 | 兰州交通大学 | A kind of low bulk flake graphite/carbon nanotube/aluminium composite material preparation method |
| CN108893636A (en) * | 2018-06-27 | 2018-11-27 | 北京科技大学 | A kind of preparation method of high thermal conductivity isotropic graphite ball reinforced aluminum matrix composites |
| CN109047754A (en) * | 2018-08-30 | 2018-12-21 | 兰州交通大学 | A kind of high thermal conductivity flake graphite/graphene/metallic composite preparation method |
| CN109207780A (en) * | 2018-09-17 | 2019-01-15 | 南昌大学 | A kind of milling method enhancing AZ31 magnesium alloy |
| CN109207780B (en) * | 2018-09-17 | 2020-07-14 | 南昌大学 | Rolling method for reinforcing AZ31 magnesium alloy |
| CN109652686A (en) * | 2018-12-14 | 2019-04-19 | 珠海市润星泰电器有限公司 | High thermal conductivity aluminium alloy and preparation method thereof |
| CN110076333A (en) * | 2019-04-08 | 2019-08-02 | 江苏豪然新材料有限公司 | Al-Si-Cu-Mg alloy powder hot-pressing sintering method is shaped using injection |
| CN110193600A (en) * | 2019-05-09 | 2019-09-03 | 西安交通大学 | A kind of preparation method of titanium carbide enhancing titanium coated graphite powder |
| CN110193600B (en) * | 2019-05-09 | 2021-10-08 | 西安交通大学 | Preparation method of titanium carbide reinforced titanium-coated graphite powder |
| CN110293229A (en) * | 2019-07-05 | 2019-10-01 | 长飞光纤光缆股份有限公司 | A kind of graphene film-ferroalloy composite material and preparation method |
| CN110293229B (en) * | 2019-07-05 | 2020-06-19 | 长飞光纤光缆股份有限公司 | Graphene film-iron alloy composite material and preparation method thereof |
| CN110423922A (en) * | 2019-08-26 | 2019-11-08 | 中国矿业大学 | A kind of silico-aluminum and its preparation method and application for Electronic Packaging |
| CN111118326A (en) * | 2020-02-24 | 2020-05-08 | 江苏新奥碳纳米材料应用技术研究院有限公司 | Graphene aluminum-coated/aluminum-based heat dissipation material and preparation method thereof |
| CN111636006A (en) * | 2020-05-29 | 2020-09-08 | 香港生产力促进局 | Aluminum-silicon alloy graphite composite heat conduction material and preparation and application thereof |
| CN111636006B (en) * | 2020-05-29 | 2021-09-28 | 香港生产力促进局 | Aluminum-silicon alloy graphite composite heat conduction material and preparation and application thereof |
| CN111647779A (en) * | 2020-06-19 | 2020-09-11 | 合肥工业大学 | Al alloy-based composite material with excellent processability and preparation method thereof |
| CN113564404A (en) * | 2021-07-13 | 2021-10-29 | 珠海亿特立新材料有限公司 | Aluminum-based graphite particle reinforced composite material and method and heat dissipation adaptor |
| CN113789455A (en) * | 2021-08-31 | 2021-12-14 | 南昌大学 | High-strength high-thermal-conductivity aluminum-based composite material and preparation method thereof |
| CN115612882A (en) * | 2022-07-11 | 2023-01-17 | 有研工程技术研究院有限公司 | Flake graphite/boron nitride hybrid reinforced aluminum matrix composite material and preparation method thereof |
| CN115612882B (en) * | 2022-07-11 | 2024-02-20 | 有研工程技术研究院有限公司 | Flake graphite/boron nitride hybrid reinforced aluminum matrix composite material and preparation method thereof |
| CN115572875A (en) * | 2022-10-14 | 2023-01-06 | 长飞光纤光缆股份有限公司 | Preparation method of diamond-reinforced graphite aluminum high-thermal-conductivity composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106916985A (en) | The preparation method of high heat conduction graphite/aluminium composite material | |
| CN105803236B (en) | A kind of aluminum matrix composite of non-crystaline amorphous metal enhancing and preparation method thereof | |
| CN102337423B (en) | Preparation method of ceramic-powder-enhanced zinc-aluminum alloy based composite material | |
| CN102260814B (en) | In situ nano TiC ceramic particle reinforced aluminum based composite material and preparation method thereof | |
| CN103911565B (en) | A kind of high conductive graphite whisker orientation strengthens the preparation method of metal-base composites | |
| CN103343274B (en) | High-thermal-conductivity graphite-aluminium strengthens aluminum graphite composite and preparation technology thereof | |
| CN107675028A (en) | A kind of single-layer graphene/aluminium composite material and preparation method thereof | |
| CN103924119B (en) | A kind of super-high heat-conductive graphite flakes/carbon/carbon-copper composite material and preparation method thereof | |
| CN101486575B (en) | Light high heat conducting nano composite material and preparation thereof | |
| CN106591666A (en) | Graphene enhanced aluminium-based silicon carbide composite, preparation method and application thereof | |
| CN105401001B (en) | A kind of powder metallurgic method prepares the process of tungsten particle reinforced aluminum matrix composites | |
| CN103160702B (en) | Method for preparing silicon carbide particle reinforced aluminum matrix composite material | |
| CN105296786A (en) | Preparation method for sample of aluminum-based graphene thermal conductive composite | |
| CN106064242A (en) | A kind of SPS of employing prepares the method for SiC particle enhanced aluminum-based composite material | |
| CN106967900A (en) | A kind of titanium-based metal glass particle reinforced aluminum matrix composites and preparation method thereof | |
| CN109554565A (en) | A kind of interface optimization method of carbon nanotube enhanced aluminium-based composite material | |
| CN102534331B (en) | Method for preparing high conductivity diamond/aluminum composite material | |
| CN105063402A (en) | Preparation method of aluminum base graphene alloy | |
| Zhang et al. | Microstructure and thermal properties of copper matrix composites reinforced by chromium-coated discontinuous graphite fibers | |
| Chen et al. | Selective interfacial bonding and thermal conductivity of diamond/Cu-alloy composites prepared by HPHT technique | |
| CN102400001A (en) | Method for preparing granule reinforced aluminum-based composite material of in-situ intermetallic compound | |
| CN106521220A (en) | Novel graphene Al-Cu intermediate alloy preparation method | |
| Yi et al. | Orientation control of carbon fibers and enhanced thermal/mechanical properties of hot-extruded carbon fibers/aluminum composites | |
| CN114309596A (en) | Preparation method of high-thermal-conductivity surface metallized diamond/copper composite substrate | |
| CN106916984A (en) | A kind of inertia multilevel hierarchy tungsten aluminium composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170704 |