MEMBER FOR CAVITATION EROSION RESISTANCE AND METHOD FOR MANUFACTURING SAME

摘要

A member (1) resistant to erosion by cavitation on which an amorphous carbon film coating is formed on a surface of a base material has at least a first amorphous carbon film coating (4) having a plurality of columnar structures (4a) on the surface of the base material (2), and a second amorphous carbon film coating (5) having a plurality of granular structures (5a) deposited with no orientation on the surface of the first amorphous carbon film coating (4).