CPC C23C 22/48 (2013.01) [C23C 22/53 (2013.01); C23C 22/83 (2013.01); C25D 3/22 (2013.01); C25D 5/34 (2013.01); F16C 33/203 (2013.01); F16C 33/208 (2013.01); C23C 2222/10 (2013.01); F16C 2204/50 (2013.01); F16C 2223/70 (2013.01); F16C 2240/64 (2013.01); Y10T 428/12549 (2015.01)] | 7 Claims |
1. A sliding member comprising, on a surface of a metal substrate, a surface-treated layer comprising a zinc-plated layer, a chemical conversion-treated layer, and a topcoat layer sequentially stacked on the metal substrate,
the chemical conversion-treated layer including chromium and oxygen,
the topcoat layer being a clear layer including at least one material selected from the group consisting of a silica compound, acrylic resin, polyurethane resin, epoxy resin, phenol resin, and melamine resin,
wherein a value of L* is 85 or greater, a value of |a*| is smaller than 6, a value of |b*| is smaller than 8, and a level of metallic gloss is 170 or greater on a surface of the sliding member according to a L*a*b* color system,
an applied amount of the topcoat layer is 0.3 mg/m2 or greater and 8.0 mg/m2 or less, and
a thickness of the chemical conversion-treated layer is in a range of 160 nm to 300 nm.
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