CN103589886A - Adhesive for silicon carbide aluminum matrix composite produced with powder metallurgic method - Google Patents
Adhesive for silicon carbide aluminum matrix composite produced with powder metallurgic method Download PDFInfo
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- CN103589886A CN103589886A CN201310570472.6A CN201310570472A CN103589886A CN 103589886 A CN103589886 A CN 103589886A CN 201310570472 A CN201310570472 A CN 201310570472A CN 103589886 A CN103589886 A CN 103589886A
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- adhesive
- aluminum matrix
- matrix composite
- silicon carbide
- metallurgic method
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Abstract
An adhesive for a carbide aluminum matrix composite produced with a powder metallurgic method is prepared by dissolving vegetable protein, lacciferlacca and polyurethane into a (CH2-OH)2CH-OH solvent respectively. The boiling point of the adhesive is low and about 330-350 DEG C, the boiling point of the (CH2-OH)2CH-OH solvent is 290 DEG C, and the adhesive property is good in the normal temperature state; ingredients of the adhesive are easy to discharge after the adhesive is heated, the performance of the composite is not affected, the wettability can be increased, and the sintering performance of the composite can be improved effectively; and the adhesive strength is very high, and no pollution is caused to the environment.
Description
Technical field
The present invention relates to a kind of binding agent, particularly a kind of powder metallurgic method is produced silicon carbide aluminum matrix composite binding agent.
Background technology
Silicon carbide aluminum matrix composite is owing to having the excellent over-all propertieies such as high, good stability of the dimension less than strong, Gao Bimo, high temperature resistant, wear-resisting, antifatigue, thermal expansivity, in the fields such as aerospace, military project, automobile, have a extensive future, become the advanced composite material of domestic and international primary study exploitation.The preparation technology of silicon carbide aluminum matrix composite has multiple, but up to the present, the method for comparative maturity has powder metallurgic method, casting, spray deposition, extruding osmose process and vacuum suction casting technique.But the most frequently used and the most competitive method is powder metallurgic method.First silicon-carbide particle and crystallite Al alloy powder are evenly mixed by a certain percentage, make composite blank, with mould, through coldmoulding, be then heated to that vacuum is carried out in solid-liquid two-phase region or matrix material ingot bar is made in atmosphere hot pressing, then make section bar and part through secondary processing.
Powder metallurgic method is produced silicon carbide aluminum matrix composite, composite blank needed with binding agent, composite blank to be processed before mould cold pressing forming process, to guarantee silicon-carbide particle and the equally distributed consistence of crystallite Al alloy powder, prevent because of matrix material each other the difference of proportion cause component separated, binding agent is produced in silicon carbide aluminum matrix composite and is played a very important role in powder metallurgic method, the quality of binding agent, will directly affect the performance of product.The binding agent using at present has to adopt take that multipolymer that ethene and propylene be monomer component forms, have to adopt under room temperature and be the epoxy resin of liquid and have a solidifying agent that is selected from the functional group of amino, carboxyl at least, using toluene or acetone as solvent, these binding agent height are flammable, mix with crystallite Al alloy powder the danger that has fire and blast, and boiling point is high, easily residual, when sintering is heated to solid-liquid two-phase region, product is easy to foaming, cracking, have a strong impact on the yield rate of product and the physicals of product, and the gas serious environment pollution of when heating volatilization.
Summary of the invention
The object of this invention is to provide that a kind of boiling point is low, sintering character good, the powder metallurgic method of environmentally safe produces silicon carbide aluminum matrix composite binding agent.
Binding agent of the present invention is dissolved in respectively glycerine ((CH2-OH) 2CH-OH) solvent by vegetable-protein (vegetable protein), shellac (Laccifer lacca), polyurethane adhesive (polyurethane) and forms, its vegetable-protein: shellac: polyurethane adhesive: the mass ratio of glycerine is 8:14:3:75.During use, the mass ratio of binding agent of the present invention and complex alloy powder granulation blank consumption is 1:5 ~ 10, in this ratio, mix, being heated to 45 ℃ stirs to bonding shape, caking ability can bond under external force, and agglomerating also to make it be separated into suitable, with mould, through coldmoulding, then obtain silicon carbide aluminum matrix composite through super-dry, sintering.
Embodiment
By mass fraction, get respectively 8 parts of vegetable-proteins, 14 parts of shellac, 3 parts of polyurethane adhesives, by it, to dissolve in respectively in order mass fraction be in the glycerine solvent of 75 parts and stir; The binding agent modulating and complex alloy powder granulation blank are mixed by the mass ratio of 1:8, be heated to 40-60 ℃ and be stirred to thick.
Binding agent boiling point of the present invention low (330-350 ℃), glycerine solvent boiling point is 290 ℃, under normal temperature state, adhesive property is good; After the heating of binding agent composition, easily discharge, do not affect composite property, and can increase wettability, effectively improve Composite Sintering performance.Its cohesive strength is very large, environmentally safe.
Claims (2)
1. powder metallurgic method is produced a silicon carbide aluminum matrix composite binding agent, it is characterized in that it is by vegetable-protein, shellac, polyurethane adhesive, to be dissolved in respectively glycerine solvent to form.
2. binding agent according to claim 1, is characterized in that vegetable-protein: shellac: polyurethane adhesive: the mass ratio of glycerine is 8:14:3:75.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310570472.6A CN103589886A (en) | 2013-11-17 | 2013-11-17 | Adhesive for silicon carbide aluminum matrix composite produced with powder metallurgic method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310570472.6A CN103589886A (en) | 2013-11-17 | 2013-11-17 | Adhesive for silicon carbide aluminum matrix composite produced with powder metallurgic method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103589886A true CN103589886A (en) | 2014-02-19 |
Family
ID=50080196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310570472.6A Pending CN103589886A (en) | 2013-11-17 | 2013-11-17 | Adhesive for silicon carbide aluminum matrix composite produced with powder metallurgic method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103589886A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997041183A1 (en) * | 1996-04-30 | 1997-11-06 | Wacker-Chemie Gmbh | Previously cross-linked silicone elastomer particles with an organopolymer sheath as a constituent for formulating aqueous lacquer compositions |
| CN101378729A (en) * | 2005-12-14 | 2009-03-04 | 扎尔斯制药公司 | Compositions and methods for treating dermatological conditions |
| CN101437494A (en) * | 2006-05-09 | 2009-05-20 | 马林克罗特公司 | Zero-order modified release solid dosage forms |
| EP2574641A2 (en) * | 2005-07-26 | 2013-04-03 | Knauf Insulation GmbH | Binders and materials made therewith |
| CN103322570A (en) * | 2012-03-23 | 2013-09-25 | 青岛注成金属有限公司 | Cutting torch and manufacturing method thereof |
-
2013
- 2013-11-17 CN CN201310570472.6A patent/CN103589886A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997041183A1 (en) * | 1996-04-30 | 1997-11-06 | Wacker-Chemie Gmbh | Previously cross-linked silicone elastomer particles with an organopolymer sheath as a constituent for formulating aqueous lacquer compositions |
| EP2574641A2 (en) * | 2005-07-26 | 2013-04-03 | Knauf Insulation GmbH | Binders and materials made therewith |
| CN101378729A (en) * | 2005-12-14 | 2009-03-04 | 扎尔斯制药公司 | Compositions and methods for treating dermatological conditions |
| CN101437494A (en) * | 2006-05-09 | 2009-05-20 | 马林克罗特公司 | Zero-order modified release solid dosage forms |
| CN103322570A (en) * | 2012-03-23 | 2013-09-25 | 青岛注成金属有限公司 | Cutting torch and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 仓理主编: "《精细化工工艺有机篇》", 31 May 1998, 化工工业出版社 * |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20140219 |