Liquid-like platinum-rich glasses

Marios D. Demetriou; Michael Floyd; Chase Crewdson

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Liquid-like platinum-rich glasses

机译：液体状的富含铂的玻璃

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Bulk platinum-rich glasses exhibiting high bulk moduli and Poisson ratios are introduced. A bulk modulus of 217 GPa and a Poisson's ratio of 0.43 are measured, the highest values reported to date for a metallic glass. The present glasses demonstrate an unusual capacity for "liquid-like" deformation characterized by low resistance to shear flow and high resistance to cavitation, enabling extensive bending ductility in the absence of fracture. An indirect estimate of the fracture toughness yields a value of ~125 Pa~(1/2).

机译：介绍了具有高体积模量和泊松比的大块富铂玻璃。测量的体积模量为217 GPa，泊松比为0.43，这是迄今为止金属玻璃的最高值。本发明的玻璃显示出异常的“液体状”变形能力，其特征在于对剪切流动的低抵抗力和对气蚀的高抵抗力，从而在没有断裂的情况下具有广泛的弯曲延展性。断裂韧性的间接估计值约为125 Pa〜（1/2）。

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《Scripta materialia》 |2011年第9期|共4页
作者
Marios D. Demetriou; Michael Floyd; Chase Crewdson;
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原文格式 PDF
正文语种 eng
中图分类冶金工业;
关键词
Amorphous metal; Bulk metallic glass; Precious metals; Jewelry;

机译：非晶态金属;大块金属玻璃;贵重金属;珠宝首饰;

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1. Liquid-like platinum-rich glasses [J] . Marios D. Demetriou, Michael Floyd, Chase Crewdson Scripta materialia . 2011,第9期

机译：液体状的富含铂的玻璃
2. Thermophysical properties of platinum-rich alloys measured by sessile drop experiments [J] . Ulrich E. Klotz, Yuriy Plevachuk High temperatures-high pressures . 2016,第1期

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Liquid-like platinum-rich glasses

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