Cantor Colburn LLP
Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent adhesion
The present invention relates to a Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent coating adhesion and to a method for manufacturing same. Provided are a Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent adhesion and a method for manufacturing same, the steel sheet comprising: a substrate steel sheet; a Zn—Fe intermetallic compound layer formed on the substrate steel sheet; a first Zn—Mg coating layer formed on the Zn—Fe intermetallic compound layer and comprising a Zn—Fe intermetallic compound in which the content of Zn is 95% by weight or higher; a second Zn—Mg coating layer formed on the first Zn—Mg coating layer and comprising a Zn—Mg intermetallic compound in which the content of Zn is 80 to 95% by weight; and an oxide film formed on the second Zn—Mg coating layer and comprising a metallic oxide.
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C23C Y10T C23C C23C C23C Y10T Y10T Y10T C23C Y10T C23C Y10T Y10T C23C C23C C23C C23C C23C C23C C23C C23C C23C Y10T C23C C23C B32B
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Seok-Jun Tae-Yeob Yong-Hwa Kyung-Hoon Dong-Yoeul Mun-Jong Woo-Sung Young-Jin
Hong Kim Jung Nam Lee Eom Jung Kwak