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Title:
COMPOSITE MATERIAL WITH HIGH THERMAL CONDUCTIVITY
Document Type and Number:
Japanese Patent JP2009013475
Kind Code:
A
Abstract:

To enhance the thermal conductivity of an aluminum composite material containing a fibrous carbon material.

In a process of producing a discharge plasma sintered compact in which a metal matrix powder of aluminum or the like is blended with the fibrous carbon material, the aluminum powder which is the matrix base metal is blended with an Al alloy powder such as an Al-12 Si powder having a melting point lower than a sintering temperature of the base metal. The Al alloy powder melts in a process of sintering the aluminum powder to improve the thermal conductivity among the aluminum powder particles, and between the aluminum powder particles and the fibrous carbon material.


Inventors:
IMANISHI TERUMITSU
KATAGIRI KAZUAKI
SHIMIZU AKIYUKI
SATO TOYOHIRO
NAKAMA NOBUHITO
KAKITSUJI ATSUSHI
SASAKI KATSUHIKO
Application Number:
JP2007177453A
Publication Date:
January 22, 2009
Filing Date:
July 05, 2007
Export Citation:
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Assignee:
SUMITOMO PRECISION PROD CO
OSAKA PREFECTURE
International Classes:
C22C47/14; C01B31/02; C22C1/05; C22C21/00; C22C49/06; C22C49/14; C22C101/10
Domestic Patent References:
JPH09157773A1997-06-17
JPH03177505A1991-08-01
Foreign References:
WO2006120803A12006-11-16
Attorney, Agent or Firm:
Takahiko Yanagita