CN106086500B - A kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional - Google Patents
A kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional Download PDFInfo
- Publication number
- CN106086500B CN106086500B CN201610624487.XA CN201610624487A CN106086500B CN 106086500 B CN106086500 B CN 106086500B CN 201610624487 A CN201610624487 A CN 201610624487A CN 106086500 B CN106086500 B CN 106086500B
- Authority
- CN
- China
- Prior art keywords
- powder
- situ
- dimensional
- matrix composite
- continuous reinforced
- 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.)
- Active
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
- C22C32/0052—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 carbides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional, first by Ti powder, Al powder and graphite powder according to 2:(1~1.2):1 mixed in molar ratio, then grinding obtain mixed powder；Then mixed powder is put into mould and is cold-pressed to obtain green compact；It is added to after finally green compact are preheated in the Al melts that temperature is 700~900 DEG C, reaction takes out base substrate cooling after terminating out of melt, that is, obtains the continuous reinforced Al matrix composite of in-situ three-dimensional.The present invention utilizes Al Ti C system thermal expousures, can quickly prepare the continuous reinforced Al matrix composite of in-situ three-dimensional.
Description
Technical field
The invention belongs to advanced metal-base composites preparation field, and in particular to one kind, which prepares in-situ three-dimensional, continuously to be strengthened
The method of Al based composites.
Background technology
Three-dimensional continuous reinforced Al matrix composite also known as network intersect Al based composites, and its reinforcement is with Al matrixes three
Dimension space is continuous and is mutually communicated in network mechanism.This composite configuration more has compared with conventional particles, fiber reinforcement Al based composites
Help give full play to reinforcement, substrate performance.Therefore, three-dimensional continuous reinforced Al matrix composite has high intensity, high rigidity, good
Good wear resistance and thermal shock resistance, higher thermal conductivity, relatively low thermal coefficient of expansion, in Aero-Space, automobile, electricity
The fields such as son, machine-building are with a wide range of applications.At present, three-dimensional continuous reinforced Al matrix composite preparation method is main
The method of forming is infiltrated for prefabricated component, it generally comprises porous enhancing prefabricated component and prepared and two steps of Al filling melts.Porous preforming
Part can be prepared by organic precursor infusion process, powder sintering, ablation, foamed plastics grout coating process, sol-gel process etc.,
But often there is the problems such as preparation technology is complicated, prefabricated component intensity is relatively low in above method.On the other hand, during Al filling melts
Generally need to be by auxiliary processes such as infiltration, extruding, die casting, and Al matrixes are also easy to produce defect (crackle, interface with reinforcement interface
Reaction etc.), and then influence composite performance.
The content of the invention
It is an object of the invention to provide a kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional, to overcome
The defects of above-mentioned prior art is present, the in-situ endogenic in Al melts is three-dimensional even using Al-Ti-C systems thermal expousure by the present invention
Continuous reinforcement, realizes the simple and quick preparation of the continuous reinforced Al matrix composite of in-situ three-dimensional.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional, comprises the following steps：
Step 1：By Ti powder, Al powder and graphite powder according to 2:(1~1.2):1 mixed in molar ratio, then grinding are mixed
Close powder；
Step 2：Mixed powder is put into mould and is cold-pressed to obtain green compact；
Step 3：It will be added in the Al melts that temperature is 700~900 DEG C, be reacted base after terminating after green compact the pre-heat treatment
Body takes out cooling out of melt, that is, obtains the continuous reinforced Al matrix composite of in-situ three-dimensional.
Further, the purity of Ti powder, Al powder and graphite powder is all higher than 99% in step 1, granularity≤100 μm.
Further, milling time is 30~60min in step 1.
Further, mould is the cylindrical steel swage tool that internal diameter is 10mm in step 2.
Further, when being cold-pressed in step 2,50~150MPa radial direction pressure is applied to the mixed powder in mould
Power, obtain the cylinder green compact that thickness is 10~20mm.
Further, temperature when green compact preheat in step 3 is 700~900 DEG C, and the time is 1~3min.
Further, the reaction time is 30~60s in step 3.
A kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional, comprises the following steps：
Step 1：By purity be more than 99%, average grain diameter be 20 μm Ti powder, purity be more than 99%, average grain diameter be 40 μm
Al powder and purity be more than 99%, average grain diameter is 40 μm of graphite powder according to 2:1:1 mixed in molar ratio, then grinds in glass
30min is fully ground in alms bowl, obtains mixed powder；
Step 2：By mixed powder be put into internal diameter be 10mm cylindrical steel swage tool in, by its 130MPa radial direction pressure
The cylinder green compact that thickness is 15mm are cold-pressed under power；
Step 3：Green compact are preheated into 2min at a temperature of 800 DEG C, are then placed in 800 DEG C of Al melts, after standing 45s
Cooling is taken out, that is, obtains the continuous reinforced Al matrix composite of in-situ three-dimensional.
Compared with prior art, the present invention has technique effect beneficial below：
The present invention can prepare three-dimensional continuous enhancing using Al-Ti-C base substrate thermal expousures in melt under simple process
Al based composites.Three-dimensional continuous reinforcement in-situ endogenic in melt, eliminates porous preform and prepares link, and porous
In precast body generating process, Al melts are spontaneous to be entered in its aperture, and formation reinforcement is answered with the mutual interpenetrating network structure of matrix
Condensation material, and Al matrixes and enhancing body interface are metallurgical binding, and the continuous REINFORCED Al base of three-dimensional prepared by traditional Infiltration Technics
Composite material interface is mostly mechanical bond, therefore the composite material interface bond strength prepared in the inventive method is higher.It is in addition, logical
Change initial reaction powder diameter, ratio etc. are crossed, the controllable design of in-situ three-dimensional reinforcement can be achieved.
Further, select purity to be more than 99%, granularity≤100 μm of Ti powder, Al powder and graphite powder can ensure to melt
The abundant progress of internal thermal expousure.
Further, 30-60min mixed powder milling time is selected, it is ensured that the abundant mixing of powder.
Further, 50-150MPa radial pressures are selected, it is ensured that base substrate has sufficient intensity in preparation process.
Further, 700~900 DEG C of preheating temperatures are selected, the rapidly pre-warming of green compact can be achieved.
Brief description of the drawings
Fig. 1 is the continuous reinforced Al matrix composite photomacrograph of in-situ three-dimensional prepared in embodiment 1；
Fig. 2 is the continuous reinforced Al matrix composite microstructure morphology of in-situ three-dimensional prepared in embodiment 1, wherein
(a) it is 200 times of lower composite microstructure photos of amplification, (b) is 3500 times of lower composite microstructure photos of amplification.
Embodiment
Embodiments of the present invention are described in further detail below：
A kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional, comprises the following steps：
Step 1：Purity is all higher than 99%, granularity≤100 μm of Ti powder, Al powder and graphite powder be according to 2:(1-1.2):
1 mixed in molar ratio, 30~60min (or using ball-milling technology) is then fully ground in glass mortar, obtains mixed powder；
Step 2：Mixed powder is put into the cylindrical steel swage tool that internal diameter is 10mm, by it in 50~150MPa footpath
The cylinder green compact that thickness is 10~20mm are cold-pressed under to pressure；
Step 3：Green compact are preheated into 1~3min at a temperature of 700~900 DEG C, 700~900 DEG C of Al is then placed in and melts
In vivo, cooling is taken out after standing 30~60s, obtains the continuous reinforced Al matrix composite of in-situ three-dimensional.
It should be noted that matrix material can also select other Al alloys in addition to pure Al.
The present invention is described in further detail with reference to embodiment：
Embodiment 1
Step 1：By Ti powder (purity is more than 99%, 20 μm of average grain diameter), (purity is more than 99% to Al powder, the μ of average grain diameter 40
M) and graphite powder (purity is more than 99%, 40 μm of average grain diameter) is according to 2:1:1 mixed in molar ratio, then fills in glass mortar
Divide grinding 30min, obtain mixed powder；
Step 2：By mixed powder be put into internal diameter be 10mm cylindrical steel swage tool in, by its 130MPa radial direction pressure
The cylinder green compact that thickness is 15mm are cold-pressed under power；
Step 3：Green compact are preheated into 2min at a temperature of 800 DEG C, are then placed in 800 DEG C of Al melts, after standing 45s
Cooling is taken out, so as to obtain the continuous reinforced Al matrix composite of in-situ three-dimensional.
Fig. 1 is the continuous REINFORCED Al base composite wood of in-situ three-dimensional that Al-Ti-C base substrates obtain in Al melts after thermal expousure
Expect photo.It was found from figure, the three-dimensional reinforcement of in-situ endogenic is continuous structure, and Al matrixes are full of enhancing body aperture.Fig. 2 (a) is
The microstructure photo of composite.It was found from figure, three-dimensional enhancing prepared by this technique is mutually comparatively dense, and enhancing mutually mainly includes
Lamellar ternary MAX phases (Ti2AlC/Ti3AlC2), graininess TiC, this two-phase is present in Al3In Ti phases, as shown in Fig. 2 (b).
Embodiment 2
Step 1：By Ti powder (purity is more than 99%, 20 μm of average grain diameter), (purity is more than 99% to Al powder, the μ of average grain diameter 40
M) and graphite powder (purity is more than 99%, 40 μm of average grain diameter) is according to 2:1.1:1 mixed in molar ratio, then in glass mortar
50min is fully ground, obtains mixed powder；
Step 2：By mixed powder be put into internal diameter be 10mm cylindrical steel swage tool in, by its 50MPa radial direction pressure
The cylinder green compact that thickness is 20mm are cold-pressed under power；
Step 3：Green compact are preheated into 1.5min at a temperature of 850 DEG C, are then placed in 850 DEG C of Al melts, stand 45s
Cooling is taken out afterwards, so as to obtain the continuous reinforced Al matrix composite of in-situ three-dimensional.
Embodiment 3
Step 1：By Ti powder (purity is more than 99%, 20 μm of average grain diameter), (purity is more than 99% to Al powder, the μ of average grain diameter 40
M) and graphite powder (purity is more than 99%, 40 μm of average grain diameter) is according to 2:1:1 mixed in molar ratio, then fills in glass mortar
Divide grinding 60min, obtain mixed powder；
Step 2：By mixed powder be put into internal diameter be 10mm cylindrical steel swage tool in, by its 100MPa radial direction pressure
The cylinder green compact that thickness is 10mm are cold-pressed under power；
Step 3：Green compact are preheated into 3min at a temperature of 700 DEG C, are then placed in 700 DEG C of Al melts, after standing 60s
Cooling is taken out, so as to obtain the continuous reinforced Al matrix composite of in-situ three-dimensional.
Embodiment 4
Step 1：By Ti powder (purity is more than 99%, 20 μm of average grain diameter), (purity is more than 99% to Al powder, the μ of average grain diameter 40
M) and graphite powder (purity is more than 99%, 40 μm of average grain diameter) is according to 2:1.2:1 mixed in molar ratio, then in glass mortar
30min is fully ground, obtains mixed powder；
Step 2：By mixed powder be put into internal diameter be 10mm cylindrical steel swage tool in, by its 150MPa radial direction pressure
The cylinder green compact that thickness is 15mm are cold-pressed under power；
Step 3：Green compact are preheated into 1min at a temperature of 900 DEG C, are then placed in 900 DEG C of Al melts, after standing 30s
Cooling is taken out, so as to obtain the continuous reinforced Al matrix composite of in-situ three-dimensional.
Claims (6)
- A kind of 1. method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional, it is characterised in that comprise the following steps：Step 1：By Ti powder, Al powder and graphite powder according to 2:(1~1.2):1 mixed in molar ratio, then grinding obtain mixed powder Material；Step 2：Mixed powder is put into mould, applies 50~150MPa radial pressure to the mixed powder in mould, obtains To the cylinder green compact that thickness is 10~20mm；Step 3：It is 700~900 DEG C that green compact are added into temperature after 1~3min of the pre-heat treatment at a temperature of 700~900 DEG C In Al melts, reaction takes out base substrate cooling after terminating out of melt, that is, obtains the continuous reinforced Al matrix composite of in-situ three-dimensional.
- 2. a kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional according to claim 1, its feature exist In, the purity of Ti powder, Al powder and graphite powder is all higher than 99% in step 1, granularity≤100 μm.
- 3. a kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional according to claim 1, its feature exist In milling time is 30~60min in step 1.
- 4. a kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional according to claim 1, its feature exist In mould is the cylindrical steel swage tool that internal diameter is 10mm in step 2.
- 5. a kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional according to claim 1, its feature exist In the reaction time is 30~60s in step 3.
- A kind of 6. method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional, it is characterised in that comprise the following steps：Step 1：Purity is more than 99%, Ti powder that average grain diameter is 20 μm, purity are more than 99%, and average grain diameter is 40 μm of Al Powder and purity are more than 99%, and average grain diameter is 40 μm of graphite powder according to 2:1:1 mixed in molar ratio, then in glass mortar 30min is fully ground, obtains mixed powder；Step 2：Mixed powder is put into the cylindrical steel swage tool that internal diameter is 10mm, by it under 130MPa radial pressure It is cold-pressed into the cylinder green compact that thickness is 15mm；Step 3：Green compact are preheated into 2min at a temperature of 800 DEG C, are then placed in 800 DEG C of Al melts, are taken out after standing 45s Cooling, that is, obtain the continuous reinforced Al matrix composite of in-situ three-dimensional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610624487.XA CN106086500B (en) | 2016-08-02 | 2016-08-02 | A kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610624487.XA CN106086500B (en) | 2016-08-02 | 2016-08-02 | A kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106086500A CN106086500A (en) | 2016-11-09 |
| CN106086500B true CN106086500B (en) | 2018-01-19 |
Family
ID=57479863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610624487.XA Active CN106086500B (en) | 2016-08-02 | 2016-08-02 | A kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106086500B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110229969B (en) * | 2019-07-05 | 2021-01-19 | 西安交通大学 | Nano TiC particle reinforced aluminum-based composite material prepared by melt reaction method and method |
| CN110964951B (en) * | 2019-12-27 | 2020-12-01 | 成都航空职业技术学院 | Fe-C-Ti/ZL108 composite material and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266297C (en) * | 2003-11-20 | 2006-07-26 | 上海交通大学 | In-situ synthesized TiC-AI composite ultra-fine grain refining agent and process for preparing same |
| CN100383268C (en) * | 2005-10-21 | 2008-04-23 | 兰州理工大学 | Prepn process of composite Al-Ti-C grain refining agent for aluminium and aluminium alloy |
| CN105200252A (en) * | 2014-06-24 | 2015-12-30 | 江苏朗亿新材料有限公司 | Novel high-conductivity and high-abrasion-resistance aluminum matrix composite |
-
2016
- 2016-08-02 CN CN201610624487.XA patent/CN106086500B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106086500A (en) | 2016-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104907567B (en) | A kind of method for preparing high-density complicated shape cemented carbide parts and cutter | |
| CN103878346B (en) | A kind of preparation method of ceramic particle multi-scale enhancement metal matrix composite materials | |
| CN104073674A (en) | Preparation method of graphene aluminum-based composite material | |
| CN104119095A (en) | Metal-ceramic composite product and preparation method thereof | |
| CN101157993A (en) | Method for preparing high volume-fraction carborundum granule-reinforced copper-based composite material | |
| CN107353008B (en) | Preparation method of layered metal-ceramic composite material part | |
| CN103343266B (en) | High-thermal-conductivity graphite-high silicon aluminium-based composite material and preparation process for same | |
| CN101717900B (en) | Method for preparing silicon nitride reinforced aluminium-based composite material | |
| CN102179502B (en) | Device and method for preparing metal matrix composite by adopting high-pressure gas to assist infiltration | |
| CN104692803B (en) | The preparation method of wearing composite material precast body | |
| CN102626821A (en) | Method for connecting semi-solid materials into whole | |
| JP2011523592A (en) | Method and apparatus for manufacturing a workpiece, in particular a forming tool or a forming tool part | |
| CN101423904A (en) | Method for manufacturing high volume fraction particulate reinforced metal-matrix composite pipes | |
| CN111302811A (en) | Preparation method of ceramic reinforced metal matrix composite with ceramic framework designed according to requirements | |
| CN106086500B (en) | A kind of method for preparing the continuous reinforced Al matrix composite of in-situ three-dimensional | |
| CN101260488A (en) | Silicon nitride ceramic particles enhancement aluminum-base composite material and preparing method thereof | |
| JP4429505B2 (en) | Method for producing low volume fraction metal-based preform | |
| CN110655405B (en) | Preparation method of ceramic matrix composite structure | |
| CN100364071C (en) | Method of preparing electron packaging material using powder injection shaping/pressure fusion dipping method | |
| CN108101543A (en) | A kind of silicon carbide-based carbon ceramic friction material and its molding preparation method | |
| CN103203448A (en) | Method for manufacturing metal matrix ceramic composite part | |
| CN102676956B (en) | Method for preparing iron-based surface composite material by virtue of in-situ synthesis | |
| CN110453104B (en) | Titanium-based SiC-Ti mixed gradient material and preparation method thereof | |
| CN101845567B (en) | Method for strengthening diamond powder degreasing blank subjected to injection molding by infiltrating Cu | |
| CN102352472A (en) | Silicon nitride and aluminum double continuous phase composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221130 Address after: 712046 Floor 2, Building 7, Incubation Park, Gaoke Second Road, Xianyang Hi tech Industrial Development Zone, Shaanxi Province Patentee after: Xianyang Gazelle Valley New Material Technology Co.,Ltd. Address before: Beilin District Xianning West Road 710049, Shaanxi city of Xi'an province No. 28 Patentee before: XI'AN JIAOTONG University |