Low thermal conductivity member, manufacturing method of low thermal conductivity member and piston of internal combustion engine

摘要

PROBLEM TO BE SOLVED: To provide a low heat conductive member, a method for manufacturing a low heat conductive member, and a piston of an internal combustion engine capable of realizing low heat conduction. SOLUTION: A low heat conductive member 3 of a piston 1 is provided with a sealing layer 9 made of amorphous carbon containing silicon on the surface of the low heat conductive layer 8. [Selection diagram] Fig. 3