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Quasistatic and Dynamic Tensile Behavior of Zr52.5Al10Ni10Cu15Be12.5 Bulk Metallic Glass

Xueshan XIAO , Weihuo LI , Lei XIA , Shoushi FANG , Qin HUA , Yu , a DONG

材料科学技术(英)

Quasistatic and dynamic tensile behavior of Zr52.5Al10Ni10Cu15Be12.5 bulk amorphous alloy was investigated at the strain rates of 10-4~103 s-1 by using a Shimadzu AG-100KNA autograph and a pneumatic tensile impact tester. It was shown that the tensile fracture strength and the fracture morphology were sensitive to the strain rate. With the increase of the strain rate, the tensile fracture strength decreased and the fracture morphology changed from cleavage into quasi-cleavage, and then into a mixture of microvoid-coalescence dimples and quasi-cleavage veins.

关键词: Mechanical properties , null , null

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