Multilayer coating excellent in wear resistance and heat resistance

作者: Toshimitsu Kohara , Hiroshi Tamagaki

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摘要: A multilayer coating according to the present invention comprises an alumina formed, directly or through intermediate layer, on a hard composed of metallic compound formed base material, and Vickers hardness after formation being 22 GPa more. The is excellent in adhesion between capable exhibiting wear resistance heat over long period.

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