CARBON NANOTUBE-DISPERSED COMPOSITE MATERIAL, METHOD FOR PRODUCING SAME AND ARTICLE SAME IS APPLIED TO

摘要

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 a ceramic such as zirconia 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 ceramic or metal 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 ceramic or metal powder base.