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Excellent glass-forming ability in simple Cu50Zr50-based alloys

机译:在简单的Cu50Zr50基合金中具有出色的玻璃形成能力

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摘要

On the basis of the novel binary CuZr bulk metallic glass (BMG), we report the excellent glass-forming ability (GFA) in the Simple Cu50Zr50-based BMG-forming alloys with minor Al addition. When At addition changes from 4 to 8 at.%, Cu50Zr50-based BMGs can be produced to cylindrical rods with a diameter of at least 5 mm. The alloys have a broad glass-forming composition range with the excellent GFA. The elastic moduli were derived from the ultrasonic and density measurements. The physical origin of this unique GFA in the alloys is investigated. Our results might provide an effective route for exploring new BMGs. (c) 2005 Published by Elsevier B.V.
机译:基于新型二元CuZr块状金属玻璃(BMG),我们报告了在少量添加Al的简单Cu50Zr50基BMG形成合金中优异的玻璃形成能力(GFA)。当添加量从4 at%更改为8 at。%时,基于Cu50Zr50的BMG可以生产直径至少为5 mm的圆柱棒。合金具有宽广的玻璃形成成分范围和出色的GFA。弹性模量由超声和密度测量得出。研究了这种独特的GFA在合金中的物理来源。我们的结果可能为探索新的BMG提供有效的途径。 (c)2005年由Elsevier B.V.

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