Glass-forming Ability and Corrosion Resistance of Zr—Cu—Al—Co Bulk Metallic Glass

被引：0
|
作者：
W.Zhou [1 ]
W.P.Weng [1 ]
J.X.Hou [1 ]
机构：
[1] Shagang School of Iron and Steel, Soochow University
来源：
Journal of Materials Science & Technology | 2016年 / 32卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Bulk metallic glass; Co-addition; Glass-forming ability; Corrosion resistance;
D O I：
暂无
中图分类号：
TG139.8 [];
学科分类号：
080502 ;
摘要：
Investigations were carried out to examine the effects of Co addition on the glass-forming ability(GFA)and corrosion resistance of ZrCu(Al)bulk metallic glass in chloride-containing solution. It is found that the GFA of(ZrCu(Al))100-x Co x(x = 0, 1, 2, and 4 at.%) alloys reduces with the increase in Co content and correlates well with the parameters, such as the supercooled liquid region width ΔT x, the reduced glass transition temperature T rg and γ. The corrosion resistance is however found to be enhanced with the increase in Co concentration. The addition of Co causes the enrichment of Zr and Al, but depletes Cu in the surface films, which effectively enhances the corrosion potential and lowers the corrosion current densit
引用
收藏
页码：349 / 354
页数：6
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