| 摘要 |
A hard coating formed on a substrate and satisfying the composition represented in formula (1). TiaCrbAlcZrdLe(BxCyNz) --- (1) (In the formula, L is at least one kind of element from among Si and Y, and a, b, c, d, e, x, y and z satisfy 0 ≤ a ≤ 0.30, 0.10 ≤ b ≤ 0.30, 0.40 ≤ c ≤ 0.70, 0.03 ≤ d ≤ 0.20, 0 ≤ e ≤ 0.10, 0 ≤ x ≤ 0.15, 0 ≤ y ≤ 0.10, and 0.80 ≤ z ≤ 1, a+b+c+d+e=1 and x+y+z=1) |
