| 摘要 |
[Problem] To provide: a quasicrystal-containing plated steel sheet which has a good balance between corrosion resistance and chipping resistance; and a method for producing this quasicrystal-containing plated steel sheet. [Solution] A quasicrystal-containing plated steel sheet according to the present invention is provided with: a plating layer that is positioned on at least one surface of a steel sheet; and an alloy layer that is positioned at the interface between the plating layer and the steel sheet and is composed of an Al-Fe intermetallic compound. The plating layer has a chemical composition containing, in atom%, at least 28.5-50% of Zn and 0.3-12% of Al, with the balance made up of Mg and impurities. The plating layer comprises: a first plating layer which is composed of a structure that contains, sequentially from the steel sheet side, an MgZn phase, an Mg phase and a quasicrystal phase; and a second plating layer that is positioned on the first plating layer and contains an Mg51Zn20 phase, a Zn phase and a quasicrystal phase. |
