CN109794612A - Aluminum matrix composite and preparation method thereof is made in a kind of Fast Sintering powder metallurgy - Google Patents
Aluminum matrix composite and preparation method thereof is made in a kind of Fast Sintering powder metallurgy Download PDFInfo
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- CN109794612A CN109794612A CN201910207699.1A CN201910207699A CN109794612A CN 109794612 A CN109794612 A CN 109794612A CN 201910207699 A CN201910207699 A CN 201910207699A CN 109794612 A CN109794612 A CN 109794612A
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Abstract
The invention discloses a kind of Fast Sintering powder metallurgy, and aluminum matrix composite and preparation method thereof, including aluminium alloy external capsule and aluminum matrix composite layer is made, and the aluminium alloy external capsule offers center counterbore, has aluminum matrix composite layer in the center counterbore.The present invention wraps up outer layer using aluminium alloy as hard (different) the matter particle powder being difficult in conjunction with aluminium alloy, pure aluminium powder and hard (different) matter particle powder are added thereto, aluminum matrix composite is made by extrusion forming, it is easy to operate, it is made conveniently, and facilitate subsequent involvement aluminium alloy, it is worthy to be popularized and applies.
Description
Technical field
The present invention relates to aluminum matrix composites, are in particular that aluminum-base composite material is made in a kind of Fast Sintering powder metallurgy
Material and preparation method thereof.
Background technique
In modern age automobile to exhaust gas (CO2) discharge limits and the persistently requirement of reduction energy consume, constantly promote automobile factory
Quotient quickly strides forward to lightweight direction.The most rapid approach of automotive light weight technology is wherein considered for steel with aluminium.In Foundry Production, very
More materials are difficult to merge with aluminium, make to produce and process difficulty increase, and in order to reduce fusion difficulty, need to develop a kind of new technique
Change present situation.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of Fast Sintering powder metallurgy be made aluminum matrix composite and
Preparation method wraps up outer layer using aluminium alloy as hard (different) the matter particle powder being difficult in conjunction with aluminium alloy, by pure aluminium powder
End is added thereto with hard (different) matter particle powder, and aluminum matrix composite is made by extrusion forming, easy to operate, is made conveniently,
And facilitate subsequent involvement aluminium alloy, it is worthy to be popularized and applies.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of Fast Sintering powder metallurgy system
At aluminum matrix composite, it is characterised in that: including aluminium alloy external capsule and aluminum matrix composite layer, the aluminium alloy external capsule is offered
Center counterbore, the center counterbore is interior aluminum matrix composite layer.
Further: the preparation method includes:
A. it stocks up: preparing to offer the aluminium alloy external capsule of center counterbore, pure aluminium powder and hard (different) matter particle powder, it will be pure
Aluminium powder is mixed with hard (different) matter particle powder, and is packed into the counterbore for being equipped with the aluminum alloy materials of counterbore.
B. it is heat-treated: the material stocked up is heated, constant temperature heat treatment is carried out after the completion of heating, it is small to continue 3~12
When.
C. precompressed: being put into pressurizing unit for the material after heat treatment, carries out precompressed to it, which is aluminium conjunction
At golden external capsule center counterbore mouth.
D. it squeezes: the material after precompressed is subjected to extrusion forming, bring it about and be plastically deformed and Fast Sintering solidifies, obtain
Aluminum matrix composite.
Further: heating temperature is 450~550 DEG C in the heat treatment, constant temperature heat treatment temperature and heating temperature phase
Together.
Further: pure aluminium powder and hard (different) matter particle powder are sub-micron grade powder in the stock.
Further: hard (different) matter particle powder includes silicon carbide (SiC), aluminium oxide (Al in the stock2O3), graphite
Hard (different) the matter particle powder of the not easy-sintering such as alkene, carbon nanotube.
Further: Prepressing intension is 1000~3000MPA in the precompressed.
Further: the extrusion forming extrusion ratio is 1:50~1:100.
Further: the counterbore and aluminium alloy external capsule cross section ratio are 1:2~2:1.
The present invention provides a kind of Fast Sintering powder metallurgy, and aluminum matrix composite and preparation method thereof is made:
The present invention wraps up outer layer using aluminium alloy as hard (different) the matter particle powder being difficult in conjunction with aluminium alloy, by fine aluminium
Powder is added thereto with hard (different) matter particle powder, aluminum matrix composite is made by extrusion forming, easy to operate, the side of being made
Just, and facilitate subsequent involvement aluminium alloy, be worthy to be popularized and apply.
Detailed description of the invention
Fig. 1 is perspective cut away view of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution: aluminum matrix composite is made in a kind of Fast Sintering powder metallurgy, and feature exists
In: including aluminium alloy external capsule and aluminum matrix composite layer, the aluminium alloy external capsule offers center counterbore, sets in the center counterbore
There is aluminum matrix composite layer.
Preparation method includes:
A. it stocks up: preparing to offer the aluminium alloy external capsule of center counterbore, pure aluminium powder and hard (different) matter particle powder, it will be pure
Aluminium powder is mixed with hard (different) matter particle powder, and is packed into the counterbore for being equipped with the aluminum alloy materials of counterbore.
B. it is heat-treated: the material stocked up is heated, constant temperature heat treatment is carried out after the completion of heating, it is small to continue 3~12
When.
C. precompressed: being put into pressurizing unit for the material after heat treatment, carries out precompressed to it, which is aluminium conjunction
At golden external capsule center counterbore mouth.
D. it squeezes: the material after precompressed is subjected to extrusion forming, bring it about and be plastically deformed and Fast Sintering solidifies, obtain
Aluminum matrix composite.
Embodiment 1:
Stock: prepare to offer the aluminium alloy external capsule of center counterbore, reach the counterbore with aluminium alloy external capsule area of section ratio
To 1:2, prepare pure aluminium powder and hard (different) the matter particle powder of one kind, comprising: silicon carbide (SiC), aluminium oxide (Al2O3), graphite
Hard (different) the matter particle powder of the not easy-sintering such as alkene, carbon nanotube, by pure aluminium powder and hard (different) matter particle powder according to 1:1's
Ratio mixing, and be packed into the counterbore for being equipped with the aluminum alloy materials of counterbore.
Heat treatment: the material stocked up being carried out to be heated to 450 DEG C, and the rear constant temperature that carries out continues 3~12 hours.
Precompressed: being put into pressurizing unit for the material after heat treatment, precompressed is carried out to it, preload pressure 1000MPA, this is pre-
Pressure forced position is aluminium alloy external capsule center counterbore mouth section part.
It squeezes: the material after precompressed is subjected to extrusion forming, bring it about and be plastically deformed and Fast Sintering solidifies, extrusion ratio
Example is 1:50, obtains aluminum matrix composite.
Aluminum matrix composite after extrusion forming is cut into 1cm or so length section material, melting is carried out, is merged well
Effect, and fusion speed is very fast, greatly saves smelting time, so as to avoid the long caused other materials of smelting time
The change of chemical form.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. aluminum matrix composite is made in a kind of Fast Sintering powder metallurgy, it is characterised in that: including aluminium alloy external capsule (1) and aluminium base
Composite layer (2), the aluminium alloy external capsule (1) offer center counterbore (101), have aluminium in the center counterbore (101)
Based composites layer (2).
2. method for preparing aluminum-based composite material is made in a kind of Fast Sintering powder metallurgy, it is characterised in that: the preparation method packet
It includes:
A. it stocks up: preparing to offer the aluminium alloy external capsule of center counterbore, pure aluminium powder and hard (different) matter particle powder, by pure aluminium powder
End is mixed with hard (different) matter particle powder according to the ratio of 1:1, and is packed into the counterbore for being equipped with the aluminum alloy materials of counterbore.
B. it is heat-treated: the material stocked up is heated, constant temperature heat treatment is carried out after the completion of heating, continues 3~12 hours.
C. precompressed: being put into pressurizing unit for the material after heat treatment, carries out precompressed to it, which is outside aluminium alloy
At the counterbore mouth of capsule center.
D. it squeezes: the material after precompressed is subjected to extrusion forming, bring it about and be plastically deformed and Fast Sintering solidifies, obtain aluminium base
Composite material.
3. method for preparing aluminum-based composite material, feature is made in a kind of Fast Sintering powder metallurgy according to claim 2
Be: heating temperature is 450~550 DEG C in the heat treatment, and constant temperature heat treatment temperature is identical as heating temperature.
4. method for preparing aluminum-based composite material, feature is made in a kind of Fast Sintering powder metallurgy according to claim 2
Be: pure aluminium powder and hard (different) matter particle powder are sub-micron grade powder in the stock.
5. method for preparing aluminum-based composite material, feature is made in a kind of Fast Sintering powder metallurgy according to claim 2
Be: hard (different) matter particle powder includes silicon carbide (SiC), aluminium oxide (Al in the stock2O3), graphene, carbon nanotube etc.
Not hard (different) the matter particle powder of easy-sintering.
6. method for preparing aluminum-based composite material, feature is made in a kind of Fast Sintering powder metallurgy according to claim 2
Be: Prepressing intension is 1000~3000MPA in the precompressed.
7. method for preparing aluminum-based composite material, feature is made in a kind of Fast Sintering powder metallurgy according to claim 2
Be: the extrusion forming extrusion ratio is 1:50~1:100.
8. aluminum matrix composite is made in a kind of Fast Sintering powder metallurgy according to claim 1, it is characterised in that: described
Counterbore and aluminium alloy external capsule cross section ratio are 1:2~2:1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014680A (en) * | 2019-12-12 | 2020-04-17 | 鼎镁（昆山）新材料科技有限公司 | Method for adding nano powder into nonferrous metal and steel material |
| CN114589308A (en) * | 2022-03-29 | 2022-06-07 | 深圳市千禾盛科技有限公司 | Copper-containing metal complex and preparation method thereof |
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| JPS63195201A (en) * | 1987-02-06 | 1988-08-12 | Kobe Steel Ltd | Al-base composite billet for extrusion working and its production |
| JP2006233320A (en) * | 2005-02-28 | 2006-09-07 | Kobe Steel Ltd | High strength magnesium alloy material and its production method |
| CN101090788A (en) * | 2004-12-28 | 2007-12-19 | 日本轻金属株式会社 | Method for producing aluminum composite material |
| CN101948988A (en) * | 2010-10-28 | 2011-01-19 | 江西省电力科学研究院 | Method for manufacturing CNT (carbon nanotube) composite transmission conductor |
| CN202162507U (en) * | 2011-06-29 | 2012-03-14 | 绍兴市天龙锡材有限公司 | Blank structure of tin-selenium intermediate alloy |
| CN104942292A (en) * | 2015-05-18 | 2015-09-30 | 广东省工业技术研究院(广州有色金属研究院) | Manufacturing method of aluminum, titanium and boron alloy rod |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63195201A (en) * | 1987-02-06 | 1988-08-12 | Kobe Steel Ltd | Al-base composite billet for extrusion working and its production |
| CN101090788A (en) * | 2004-12-28 | 2007-12-19 | 日本轻金属株式会社 | Method for producing aluminum composite material |
| JP2006233320A (en) * | 2005-02-28 | 2006-09-07 | Kobe Steel Ltd | High strength magnesium alloy material and its production method |
| CN101948988A (en) * | 2010-10-28 | 2011-01-19 | 江西省电力科学研究院 | Method for manufacturing CNT (carbon nanotube) composite transmission conductor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014680A (en) * | 2019-12-12 | 2020-04-17 | 鼎镁（昆山）新材料科技有限公司 | Method for adding nano powder into nonferrous metal and steel material |
| CN114589308A (en) * | 2022-03-29 | 2022-06-07 | 深圳市千禾盛科技有限公司 | Copper-containing metal complex and preparation method thereof |
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Address after: 215300 No.118, Pengxi South Road, Kunshan Development Zone, Suzhou City, Jiangsu Province Applicant after: Dingmg New Material Technology Co.,Ltd. Address before: 215300 No.118, Pengxi South Road, Kunshan Development Zone, Suzhou City, Jiangsu Province Applicant before: D.MAG (KUNSHAN) NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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