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Title:
CARBON NANOTUBE-DISPERSED COMPOSITE MATERIAL, METHOD FOR PRODUCING SAME AND ARTICLE SAME IS APPLIED TO
Document Type and Number:
WIPO Patent Application WO/2005/040067
Kind Code:
A1
Abstract:
Disclosed is a carbon nanotube-dispersed composite material which makes the best of excellent electrical conduction, thermal conduction and strength characteristics of a carbon nanotube while making good use of features of alumina which has corrosion resistance and heat resistance. Also disclosed is a method for producing such a carbon nanotube-dispersed composite material. Long-chain carbon nanotubes (including a carbon nanotube subjected to discharge plasma processing by itself in advance) and a sinterable alumina or aluminum powder are kneaded and dispersed using a ball mill, and then the resulting is compacted through discharge plasma sintering. Consequently, the carbon nanotubes spread inside the sintered body like a net, thereby enabling to make effective use of electrical conduction, thermal conduction and strength characteristics of the carbon nanotube together with the characteristics of the powder base.

Inventors:
KATAGIRI KAZUAKI (JP)
KAKITSUJI ATSUSHI (JP)
Application Number:
PCT/JP2004/016496
Publication Date:
May 06, 2005
Filing Date:
October 29, 2004
Export Citation:
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Assignee:
SUMITOMO PRECISION PROD CO (JP)
OSAKA PREFECTURE (JP)
KATAGIRI KAZUAKI (JP)
KAKITSUJI ATSUSHI (JP)
International Classes:
C22C47/14; C22C49/14; F28F21/02; H01L23/373; H01L23/492; H01M4/62; (IPC1-7): C04B35/80; B22F3/105; C04B35/64; C22C1/10; C22C47/14; C22C49/14
Foreign References:
JP2003301048A2003-10-21
JPH10168502A1998-06-23
JPH1088256A1998-04-07
JP2000128648A2000-05-09
JPH08333165A1996-12-17
JP2002226268A2002-08-14
JP2003277871A2003-10-02
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