Invention Grant
US08216700B2 Hard coating film, material coated with hard coating film, and die for cold plastic working 有权
硬涂膜,涂有硬质涂膜的材料和冷塑性加工用模具

Hard coating film, material coated with hard coating film, and die for cold plastic working
Abstract:
Disclosed herein are a hard coating film, a material coated with the hard coating film, and a die for cold plastic working, the coating film excelling conventional surface coating layers in wear resistance as well as slidability with a low frictional coefficient.The hard coating film is characterized by a chemical composition of (VxM1-x) (BaCbN1-a-b), where 0.4≦x≦0.95  (1A) 0≦a≦0.2  (2A) 0≦1-a-b≦0.35  (3A) 0.6≦b≦1  (4A) M denotes at least one species of elements belonging to Groups 4a, 5a, and 6a and Si and Al; and x, 1-x, a, b, and 1-a-b represent respectively the atomic ratio of V, M, B, C, and N.
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