Improving the glass-forming ability and plasticity of a TiCu-based bulk metallic glass composite by minor additions of Si
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- 作者：P. Gargarellaa ; b ; piter@ufscar.br" class="auth_mail" title="E-mail the corresponding author ; S. Paulya ; M. Samadi Khoshkhooa ; c ; C.S. Kiminamib ; U. Kü ; hna ; J. Eckertd ; e
- 关键词：Bulk metallic glass ; Rapid solidification ; Titanium alloys ; Minor element additions
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：5 April 2016
- 年：2016
- 卷：663
- 期：Complete
- 页码：531-539
- 全文大小：2649 K
文摘
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The effect of minor additions of Si to a Ti–Cu–Ni–Zr metallic glass was studied.
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An optimum glass-forming ability occurs for 0.5 at% Si.
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None of the GFA criteria predicts this optimum.
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It's explained considering the increased thermal stability and formation of Ti5Si3.
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The alloy with 2 at% Si formed composites with enhanced mechanical properties.