| 摘要 |
[Subject] In a decorative part having a pink Au alloy hard coating film, the sophisticated pink aesthetic appearance thereof can be maintained for long time use by making the decorative part that flaws or peelings are hardly visible even if flaws are caused in the coating film or the coating film is peeled off. [Means for solving Subject] The decorative part comprises a hardening layer having a pink Au alloy coating film on the surface wherein
the hardening layer is obtainable by laminating a base layer, a primary layer and a finishing layer from the side of a substrate,
the base layer comprises a metal layer comprising one metal or two or more metals selected from Hf, Ti and Zr and, superimposed thereon, a compound layer comprising the same metal constituting the metal layer and further comprising nitrogen, carbon or oxygen,
the primary layer has a laminating structure such that an Au alloy layer, and a compound layer comprising one metal or two or more metals selected from Hf, Ti and Zr and further comprising nitrogen, carbon or oxygen are laminated one after the other, and
the finishing layer comprises an Au alloy layer. |
