CN106350694A - Method for continuously preparing in-situ particle-reinforced aluminum matrix composite - Google Patents
Method for continuously preparing in-situ particle-reinforced aluminum matrix composite Download PDFInfo
- Publication number
- CN106350694A CN106350694A CN201610727050.9A CN201610727050A CN106350694A CN 106350694 A CN106350694 A CN 106350694A CN 201610727050 A CN201610727050 A CN 201610727050A CN 106350694 A CN106350694 A CN 106350694A
- Authority
- CN
- China
- Prior art keywords
- aluminum
- situ
- composite material
- granules
- based composite
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
- C22C1/1052—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites by mixing and casting metal matrix composites with reaction
-
- 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
-
- 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
- C22C32/0047—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 with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0073—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 with carbides, nitrides, borides or silicides as the main non-metallic constituents only borides
Abstract
The invention relates to a method for continuously preparing an in-situ particle-reinforced aluminum matrix composite and belongs to the technical field of the composite preparation. The method comprises the following steps of: taking pure aluminum or aluminum alloy; putting into a melting furnace; heating and melting pure aluminum or aluminum alloy and maintaining temperature; taking KBF4 and K2TiF6, mixing, drying, adding into another melting furnace, heating and melting and then maintaining temperature; taking molten metal and flux of mixed salt; pouring into a runner; performing electromagnetic stirring and ultrasonic treatment, thereby causing the molten metal react with the flux of mixed salt; guiding the mixed flux acquired after reaction into a stewing furnace; and stewing and removing reaction by-product, thereby acquiring the in-situ particle-reinforced aluminum matrix composite. The in-situ particle-reinforced aluminum matrix composite prepared according to the method provided by the invention has high strength and high rigidity and has wide application prospect in the field of aerospace. The method provided by the invention has the advantages of simple technique and high preparation efficiency, is suitable for large-scale industrial production of the aluminum matrix composite and has higher promotional value.
Description
Technical field
The invention belongs to technical field of composite preparation is and in particular to a kind of aluminum based composite material enhanced by granules in situ connects
Continuous preparation.
Background technology
Aluminum matrix composite has high specific strength, high ratio modulus and high specific stiffness, in the neck such as Aero-Space, national defence, industry
Domain has a wide range of applications.The preparation method of traditional aluminum matrix composite is to be applied to strengthening granule in aluminum substrate, due to
In aluminum substrate, additional granule has enhancing granule and matrix wellability is poor, and interfacial reaction is difficult to control to, and strengthens distribution of particles
The defect such as uneven, have impact on the performance of aluminum matrix composite.Adopt the complicated process of preparation of additional granule, cost is relatively simultaneously
Height, is unfavorable for popularization and application.
Find by prior art documents, the Chinese patent of Publication No. cn1376805, publication date is
2002.10.30, invention entitled a kind of high-strength in-situ Al-base composition of this patent, which discloses and adopts powder
The hybrid in situ al of the method preparation of sintering2o3、tib2The enhanced aluminum matrix composite of granule, the raw material of the method is aluminum or aluminum
Alloy, tio2With b powder, through overmulling powder, cold pressing, sinter and extrude the preparation that four steps just complete material, this patent discloses
Technical scheme to there is cost of material high, complicated process of preparation is it is impossible to the problems such as realize large-scale production.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, a kind of in-situ particle is provided to strengthen aluminum-base composite
The continuous preparation method of material.The aluminum based composite material enhanced by granules in situ of method of the present invention preparation has high intensity, Gao Gang
Degree, has broad application prospects in fields such as Aero-Space.It is excellent that the method for the present invention has process is simple, preparation efficiency height etc.
Point, is suitable to the large-scale industrial production of aluminum matrix composite, has good promotional value.
The present invention is to be realized by following technical scheme, the present invention relates to a kind of in-situ particle strengthens aluminum-base composite material
Expect continuous preparation method, comprise the steps:
Step one, takes pure aluminum or aluminum alloy, puts in melting furnace, and heating is allowed to melt, insulation；
Step 2, takes kbf4、k2tif6, mixing, dry, add in another melting furnace, heating is allowed to melt, insulation；
Step 3, takes the metal bath that step one obtains, take step 2 gained salt-mixture melt, pour stream into simultaneously
Groove, applies electromagnetic agitation and supersound process simultaneously, make metal bath and salt-mixture fusant reaction；
Step 4, the blend melt obtaining after step 3 is reacted imports standing furnace, standing, removes byproduct of reaction, that is,
Obtain aluminum based composite material enhanced by granules in situ.
Preferably, in step one, described it is incubated as 750～1100 DEG C.
Preferably, in step 2, described kbf4With k2tif6Mass ratio be 1: 0.5～1: 2.
Preferably, in step 2, the temperature of described insulation is 850～1100 DEG C.
Preferably, in step 3, the flow that described metal bath pours during chute into is 1～50l/min.
Preferably, in step 3, described salt-mixture melt to pour flow during chute into be 1～50l/min.
Preferably, in step 3, the magnetic field intensity of described electromagnetic agitation is 0.05～0.6t.
Preferably, in step 3, described sonification power is 0.5～10kw.
Preferably, in step 4, the temperature of described standing is 680～760 DEG C, and the time is 10～30min.
Preferably, in step 4, the component of described aluminum based composite material enhanced by granules in situ and mass percent are: tib2
Granule 0.1～30%, balance of pure aluminum or aluminum alloy.
Compared with prior art, the present invention has following beneficial effect: the present invention utilizes salt-mixture anti-online with aluminum
Tib should be generated2Ceramic particle, thus prepare original position tib2Particle enhanced aluminum-based composite material.Generated in-situ tib2In the base
It is evenly distributed, particle surface is clean, good with the interface cohesion of matrix.tib2Play obvious invigoration effect in the base, carry
The high intensity of material and modulus.The preparation method preparation process is simple of the present invention, preparation efficiency are high, low in raw material price, system
Standby composite has good mechanical property and crystallized ability, can be widely applied to Aero-Space, weaponry, traffic
The fields such as transport.The method of the present invention has the advantages that process is simple, preparation efficiency are high, is suitable to the extensive of aluminum matrix composite
Industrialized production, has good more practical value and promotional value.
Brief description
The detailed description with reference to the following drawings, non-limiting example made by reading, the further feature of the present invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural representation of embodiment of the present invention preparation method use device；
In figure, 1 is the melting furnace melting pure aluminum or aluminum alloy, and 2 is the melting furnace of melt-blended salt, and 3 is Vltrasonic device, 4
For chute, 5 is standing furnace, and 6 is electromagnetic mixing apparatus.
The sem photo figure of the composite that Fig. 2 is prepared for the embodiment of the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some deformation can also be made and improve.These broadly fall into the present invention
Protection domain.
Embodiment 1
The present embodiment is related to a kind of continuous preparation method of aluminum based composite material enhanced by granules in situ, and the in-situ particle of preparation increases
The component of strong aluminum matrix composite and its mass percent are: tib2Granule 0.1%, balance of fine aluminium.
Fig. 1 is the structural representation of the present embodiment preparation method use device；In figure, 1 is to melt pure aluminum or aluminum alloy
Melting furnace, 2 is the melting furnace of melt-blended salt, and 3 is Vltrasonic device, and 4 is chute, and 5 is standing furnace, and 6 is electromagnetic mixing apparatus.This
The preparation method that embodiment is related to comprises the steps:
Fine aluminium ingot is added in melting furnace 1, after fusing, is warming up to 750 DEG C,
Mass ratio is 1: 0.5 kbf4、k2tif6Mix homogeneously is simultaneously dried 2 hours through 250 DEG C, is then added to melt
Change in stove 2 and melt, and be warming up to 750 DEG C.
Aluminum melt and salt-mixture are put in chute simultaneously, aluminum melt flow is l/min, salt-mixture flow is l/min, with
When, adopt electromagnetic mixing apparatus 6 to apply electromagnetic agitation to blend melt in chute bottom, stirring frequency 0.5hz, on chute top
Supersound process, power 0.5kw are carried out using Vltrasonic device 3 to blend melt.
Aluminium alloy melt blend melt is flowed to standing furnace 5 along chute 4, time of repose 10min, 680 DEG C of dwell temperature,
In standing holding furnace, byproduct of reaction and aluminum matrix composite melt extraction claw byproduct of reaction；
Composite Melt is poured into mold.
Obtain 0.1%tib2In-situ particle strengthens pure aluminium-based composite material；
The mechanical property of this composite: σb=270mpa, σ0.2=220mpa, δ=19%, e=70gpa.
Embodiment 2
The present embodiment is related to a kind of continuous preparation method of aluminum based composite material enhanced by granules in situ, and the in-situ particle of preparation increases
The component of strong aluminum matrix composite and its mass percent are: tib2Granule 12.5%, balance of 7075 aluminium alloys.Preparation method
Comprise the steps:
After 7075 aluminium alloy ingots fusings, it is warming up to 925 DEG C, mass ratio is 1: 1.25 kbf4、k2tif6Mix homogeneously
And dry 2 hours through 250 DEG C, then melt, and be warming up to 925 DEG C.
Aluminum melt and salt-mixture are put in chute simultaneously, aluminum melt flow is 25/min, salt-mixture flow is 25/min,
Meanwhile, in chute bottom, electromagnetic agitation is applied to blend melt, magnetic field intensity is 0.3t, adopts Vltrasonic device pair on chute top
Blend melt carries out supersound process, power 5kw.
Blend melt flows into and is incubated in static stove, time of repose 20min, and 720 DEG C of dwell temperature claws byproduct of reaction,
Composite Melt is poured into mold.
Obtain 12.5%tib2In-situ particle strengthens 7075 aluminum matrix composites；
The mechanical property of this composite: σb=830mpa, σ0.2=640mpa, δ=8%, e=88gpa.
Embodiment 3
The present embodiment is related to a kind of continuous preparation method of aluminum based composite material enhanced by granules in situ, and the in-situ particle of preparation increases
The component of strong aluminum matrix composite and its mass percent are: tib2Granule 30%, balance of 2024 aluminium alloys.Preparation method bag
Include following steps:
After 2024 aluminium alloy ingots fusings, it is warming up to 1100 DEG C,
Mass ratio is 1: 2 kbf4、k2tif6Mix homogeneously and through drying after, then melt, and be warming up to 1100
℃.
Aluminum melt and salt-mixture are put in chute simultaneously, aluminum melt flow is 50l/min, salt-mixture flow is 50l/
Min, meanwhile, applies electromagnetic agitation in chute bottom to blend melt, and magnetic field intensity is 0.6t, adopts ultrasonic dress on chute top
Put and blend melt is carried out with supersound process, power 10kw.
Blend melt flows into and is incubated in static stove, time of repose 30min, and 760 DEG C of dwell temperature claws byproduct of reaction,
Composite Melt is poured into mold.
Obtain 30%tib2In-situ particle strengthens 2024 aluminum matrix composites,
The mechanical property of this composite: σb=610mpa, σ0.2=510mpa, δ=12%, e=101gpa.
Comprehensive described, the method for the present invention adds pure aluminum or aluminum alloy in melting furnace, and heating makes aluminium ingot melt, and heats up；
By kbf4、k2tif6Mixed than uniform with certain mass, dry, then adding salt-mixture makes it melt in another melting furnace,
Heat up；Aluminium alloy melt and mixing molten salt bath are poured into chute simultaneously, by the magnetic stirrer of chute bottom to blend melt
Apply electromagnetic agitation, on chute top, supersound process is carried out using Vltrasonic device to blend melt, melt and salt-mixture occur anti-
Should；Insulation standing furnace is set in chute end, after blend melt enters standing furnace, after standing a period of time, takes reaction by-product off
Thing；Composite Melt is poured in mould, obtains aluminum based composite material enhanced by granules in situ.The present invention utilize salt-mixture with
The online reaction of aluminum generates tib2Ceramic particle, thus prepare original position tib2Particle enhanced aluminum-based composite material.Generated in-situ
tib2It is evenly distributed in the base, particle surface is clean, good with the interface cohesion of matrix.tib2Play in the base significantly
Invigoration effect, improves intensity and the modulus of material, the sem photo of composite is as shown in Figure 2.The preparation method of the present invention
Preparation process is simple, preparation efficiency are high, low in raw material price, and the composite of preparation has good mechanical property and shapes energy
Power, can be widely applied to the fields such as Aero-Space, weaponry, transportation.The method of the present invention has process is simple, system
The advantages of standby efficiency high, it is suitable to the large-scale industrial production of aluminum matrix composite, there is good more practical value and promotion price
Value.
Claims (10)
1. a kind of continuous preparation method of aluminum based composite material enhanced by granules in situ is it is characterised in that comprise the steps:
Step one, takes pure aluminum or aluminum alloy, puts in melting furnace, and heating is allowed to melt, insulation；
Step 2, takes kbf4、k2tif6, mixing, dry, add in another melting furnace, heating is allowed to melt, insulation；
Step 3, takes the metal bath that step one obtains, take step 2 gained salt-mixture melt, pour chute into simultaneously, with
When apply electromagnetic agitation and supersound process, make metal bath and salt-mixture fusant reaction；
Step 4, the blend melt obtaining after step 3 is reacted imports standing furnace, standing, removes byproduct of reaction, obtains final product former
Position particle enhanced aluminum-based composite material.
2. the continuous preparation method of aluminum based composite material enhanced by granules in situ as claimed in claim 1, is characterized in that, step one
In, described it is incubated as 750～1100 DEG C.
3. the continuous preparation method of aluminum based composite material enhanced by granules in situ as claimed in claim 1, is characterized in that, step 2
In, described kbf4With k2tif6Mass ratio be 1: 0.5～1: 2.
4. the continuous preparation method of aluminum based composite material enhanced by granules in situ as claimed in claim 1, is characterized in that, step 2
In, the temperature of described insulation is 850～1100 DEG C.
5. the continuous preparation method of aluminum based composite material enhanced by granules in situ as claimed in claim 1, is characterized in that, step 3
In, the flow that described metal bath pours during chute into is 1～50l/min.
6. the continuous preparation method of aluminum based composite material enhanced by granules in situ as claimed in claim 1, is characterized in that, step 3
In, described salt-mixture melt to pour flow during chute into be 1～50l/min.
7. the continuous preparation method of aluminum based composite material enhanced by granules in situ as claimed in claim 1, is characterized in that, step 3
In, the magnetic field intensity of described electromagnetic agitation is 0.05～0.6t.
8. the continuous preparation method of aluminum based composite material enhanced by granules in situ as claimed in claim 1, is characterized in that, step 3
In, described sonification power is 0.5～10kw.
9. the continuous preparation method of aluminum based composite material enhanced by granules in situ as claimed in claim 1, is characterized in that, step 4
In, the temperature of described standing is 680～760 DEG C, and the time is 10～30min.
10. the continuous preparation method of aluminum based composite material enhanced by granules in situ as claimed in claim 1, is characterized in that, step 4
In, the component of described aluminum based composite material enhanced by granules in situ and mass percent are: tib2Granule 0.1～30%, balance of
Pure aluminum or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727050.9A CN106350694A (en) | 2016-08-25 | 2016-08-25 | Method for continuously preparing in-situ particle-reinforced aluminum matrix composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727050.9A CN106350694A (en) | 2016-08-25 | 2016-08-25 | Method for continuously preparing in-situ particle-reinforced aluminum matrix composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106350694A true CN106350694A (en) | 2017-01-25 |
Family
ID=57854181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610727050.9A Pending CN106350694A (en) | 2016-08-25 | 2016-08-25 | Method for continuously preparing in-situ particle-reinforced aluminum matrix composite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106350694A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315577A (en) * | 2018-02-02 | 2018-07-24 | 上海交通大学 | Laser gain material manufacture 7XXX systems in-situ Al-base composition powder and preparation |
| CN108359832A (en) * | 2018-04-13 | 2018-08-03 | 西安石油大学 | It is a kind of to prepare aluminium base TiB with reaction in-situ molten-salt growth method2The method of composite material |
| CN112195358A (en) * | 2020-10-14 | 2021-01-08 | 广东省科学院材料与加工研究所 | Aluminum-based alloy, aluminum-based composite material, and preparation method and application thereof |
| CN112760505A (en) * | 2020-12-27 | 2021-05-07 | 上海交通大学安徽(淮北)陶铝新材料研究院 | In-situ autogenous aluminum matrix composite material system with vacuum degassing |
| CN113046592A (en) * | 2021-03-16 | 2021-06-29 | 南昌航空大学 | In-situ synthesis device and method for aluminum-based composite material with enhanced particle gradient distribution |
| CN113996778A (en) * | 2021-11-04 | 2022-02-01 | 湖州鼎盛机械制造有限公司 | Production process and method of high-quality ductile iron piece with fine graphite and high sphericity texture characteristics |
| CN115927902A (en) * | 2022-12-13 | 2023-04-07 | 中国船舶重工集团公司第十二研究所 | Nano homogenized TiB 2 Preparation method of in-situ reinforced aluminum-based composite material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1667147A (en) * | 2005-04-05 | 2005-09-14 | 江苏大学 | Preparation method of endogenous particle reinforced aluminium-based composite material |
| CN101391290A (en) * | 2008-11-05 | 2009-03-25 | 江苏大学 | Method for synthesizing metal matrix composition using metal reaction under the coupling action of magnetic field and ultrasonic field |
| CN103710560A (en) * | 2013-12-23 | 2014-04-09 | 江苏大学 | Method for continuous preparation of aluminum-base in-situ composite material |
-
2016
- 2016-08-25 CN CN201610727050.9A patent/CN106350694A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1667147A (en) * | 2005-04-05 | 2005-09-14 | 江苏大学 | Preparation method of endogenous particle reinforced aluminium-based composite material |
| CN101391290A (en) * | 2008-11-05 | 2009-03-25 | 江苏大学 | Method for synthesizing metal matrix composition using metal reaction under the coupling action of magnetic field and ultrasonic field |
| CN103710560A (en) * | 2013-12-23 | 2014-04-09 | 江苏大学 | Method for continuous preparation of aluminum-base in-situ composite material |
Non-Patent Citations (1)
| Title |
|---|
| 金培鹏等: "《轻金属基复合材料》", 31 December 2013, 国防工业出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315577A (en) * | 2018-02-02 | 2018-07-24 | 上海交通大学 | Laser gain material manufacture 7XXX systems in-situ Al-base composition powder and preparation |
| CN108359832A (en) * | 2018-04-13 | 2018-08-03 | 西安石油大学 | It is a kind of to prepare aluminium base TiB with reaction in-situ molten-salt growth method2The method of composite material |
| CN112195358A (en) * | 2020-10-14 | 2021-01-08 | 广东省科学院材料与加工研究所 | Aluminum-based alloy, aluminum-based composite material, and preparation method and application thereof |
| CN112760505A (en) * | 2020-12-27 | 2021-05-07 | 上海交通大学安徽(淮北)陶铝新材料研究院 | In-situ autogenous aluminum matrix composite material system with vacuum degassing |
| CN113046592A (en) * | 2021-03-16 | 2021-06-29 | 南昌航空大学 | In-situ synthesis device and method for aluminum-based composite material with enhanced particle gradient distribution |
| CN113996778A (en) * | 2021-11-04 | 2022-02-01 | 湖州鼎盛机械制造有限公司 | Production process and method of high-quality ductile iron piece with fine graphite and high sphericity texture characteristics |
| CN115927902A (en) * | 2022-12-13 | 2023-04-07 | 中国船舶重工集团公司第十二研究所 | Nano homogenized TiB 2 Preparation method of in-situ reinforced aluminum-based composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106350694A (en) | Method for continuously preparing in-situ particle-reinforced aluminum matrix composite | |
| CN1327019C (en) | Method for preparing aluminum based composite material enhanced by granules in situ | |
| CN105296786B (en) | A kind of preparation method of aluminium base Graphene heat-conductive composite material sample | |
| CN104862508B (en) | A kind of preparation method of aluminum base graphene composite material | |
| CN104498746B (en) | Method for preparing Al-5Ti-1B-1(La+Ce) intermediate alloy grain refiner having different content of lanthanum and cerium | |
| CN104073674A (en) | Preparation method of graphene aluminum-based composite material | |
| CN102140589B (en) | Microalloy smelting process for aluminum-magnesium-silicon aluminum alloy | |
| CN103667841B (en) | A kind of diphase particles mixed reinforced magnesium Alloy And Preparation Method | |
| CN101168810A (en) | High-strength high-modulus aluminum-base composite material and preparation method thereof | |
| CN100443605C (en) | Preparation method of granule-mixed reinforced aluminium-based composite material | |
| CN104372208B (en) | A kind of endogenetic particle hybrid reinforced aluminum-matrix composite material and preparation method thereof | |
| CN104357691A (en) | Preparation method of aluminum-based composite material | |
| CN104046825B (en) | A kind of aluminum based composite material enhanced by granules in situ preparation method | |
| CN104073691B (en) | Original position mixes TiC, AlN particle enhanced aluminum-based composite material and its preparation method | |
| CN104878233A (en) | Preparation method of aluminum-titanium-boron alloy ingot | |
| CN109182822A (en) | A kind of die forging method of 7075 aluminium alloy of high-performance | |
| CN105734334A (en) | Preparation method for aluminum matrix composite material | |
| CN104190854A (en) | Regenerated pre-coated sand and preparation method thereof | |
| CN105463265A (en) | Preparation method for silicon carbide particle reinforced aluminum-based composite material | |
| CN103695744B (en) | A kind of nano-particle reinforcement magnesium alloy and preparation method thereof | |
| CN102747246A (en) | Preparation method of micro/nano particle-reinforced aluminum-based composite material | |
| CN107974569A (en) | A kind of preparation method of aluminium based composite material enhanced by miscellaneous granules | |
| CN106282614A (en) | A kind of particle enhanced aluminum-based composite material casting method | |
| CN107699746A (en) | Nano titanium carbide particle enhancing ADC12 aluminum matrix composites and preparation method thereof | |
| CN105063446B (en) | A kind of particle reinforced magnesium base compound material preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180625 Address after: 201108 room 2, 6 building, 4299 Jin Du Road, Minhang District, Shanghai, C8 Applicant after: Shanghai Jiaotong University Intellectual Property Management Co., Ltd. Applicant after: Wang Haowei Address before: 200240 No. 800, Dongchuan Road, Shanghai, Minhang District Applicant before: Shanghai Jiao Tong University |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181116 Address after: 235000 Weilong Road, Longhu High-tech Zone, Huaibei Economic Development Zone, Anhui Province Applicant after: Anhui Ceramic Aluminum New Materials Research Institute Co., Ltd. Address before: 201108 room 2, 6 building, 4299 Jin Du Road, Minhang District, Shanghai, C8 Applicant before: Shanghai Jiaotong University Intellectual Property Management Co., Ltd. Applicant before: Wang Haowei |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |
|
| RJ01 | Rejection of invention patent application after publication |