HIGHLY THERMALLY CONDUCTIVE COMPOSITE MATERIAL

The object is to improve the thermal conductivity of an aluminum composite material containing a fibrous carbon material. For achieving the object, a spark-plasma-sintered material is produced, which comprises a metal powder matrix such as one comprising an aluminum powder and a fibrous carbon mater...

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Main Authors KAKITSUJI ATSUSHI, KATAGIRI KAZUAKI, IMANISHI TERUMITSU, SASAKI KATSUHIKO, SATO TOYOHIRO, NAKAMA NOBUHITO, SHIMIZU AKIYUKI
Format Patent
LanguageEnglish
Korean
Published 04.05.2010
Subjects
ALLOYS
CHEMISTRY
COMPOUNDS THEREOF
FERROUS OR NON-FERROUS ALLOYS
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:The object is to improve the thermal conductivity of an aluminum composite material containing a fibrous carbon material. For achieving the object, a spark-plasma-sintered material is produced, which comprises a metal powder matrix such as one comprising an aluminum powder and a fibrous carbon material contained in the metal powder matrix. In the production of the spark-plasma-sintered material, the aluminum powder matrix is mixed with an Al alloy powder (e.g., an Al-12Si powder) having a melting point lower than the sintering temperature for the matrix. During the sintering of the aluminum powder, the Al alloy powder is molten to improve the thermal conductivity between the aluminum powder particles or between the aluminum powder particle and the fibrous carbon material.
Bibliography:Application Number: KR20107002099