DEFORMATION BEHAVIOR AND CONSTITUTIVE EQUATION FOR Zr55Cu30Al10Ni5 BULK METALLIC GLASS IN SUPERCOOLED LIQUID REGION期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

DEFORMATION BEHAVIOR AND CONSTITUTIVE EQUATION FOR Zr₅₅Cu₃₀Al₁₀Ni₅ BULK METALLIC GLASS IN SUPERCOOLED LIQUID REGION

Authors:	ZHANG Linan CHEN Qi LIU Lin

Affiliation:	The State Key Laboratory of Material Processing and Die & Mould Technology, Department of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074

Abstract:	The compressive deformation of the Zr₅₅Cu₃₀Al₁₀Ni₅ bulk metallic glass (BMG) was investigated in the supercooled region. It was found that the deformation behavior of the BMG alloy is strongly dependant on strain rate and temperature. The BMG exhibits Newtonian behavior at low strain rate but becomes non–Newtonian flow at high strain rate. The correlation between flow stress as well as strain rate and temperature was established in terms of stretched exponential function.

Keywords:	" target="_blank">55Cu₃₀Al₁₀Ni₅ alloyzz')" href="#"> Zr₅₅Cu₃₀Al₁₀Ni₅ alloy bulk metallic glass supercooled liquid region compressive deformation constitutive equation

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