首页|Temperature rise and flow of Zr-based bulk metallic glasses under high shearing stress

Temperature rise and flow of Zr-based bulk metallic glasses under high shearing stress

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Deformation of the bulk metallic glasses (BMGs) and the creation and propagation of the shear bands are closely interconnected.Shearing force was loaded on Zr41.2Ti13.8Cu12.5Ni10.0Be22.5(Vit.1) BMGs by cutting during the turning of the BMG rod.The temperature rise of alloy on the shear bands was calculated and the result showed that it could reach the temperature of the super-cooled liquid zone or exceed the melting point.The temperature rise caused viscous fluid flow and brought about the deformation of BMGs.This suggested that the deformation of BMGs was derived,at least to some extent,from the adiabatic shear temperature rise.

deformationshear bandstemperature risemetallic glasses

ZHANG WeiGuo、MA MingZhen、SONG AiJun、LIANG ShunXing、HAO QiuHong、TAN ChunLin、JING Qin、LIU RiPing

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State Key Laboratory of Meta-stable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China

Physical-Chemistry College, Hebei Normal University of Science & Technology, Qinhuangdao 066004, China

国家重点基础研究发展规划(973计划)国家自然科学基金国家自然科学基金国家自然科学基金Doctoral Fund of Ministry of Education of ChinaNature Science Foundation of Hebei

2010CB73160050731005508210015117116320101333110004E2010001176

2011

10.1007/s11433-011-4489-4

中国科学:物理学 力学 天文学(英文版)
中国科学院

中国科学:物理学 力学 天文学(英文版)

SCIEI
影响因子：0.91
ISSN：1674-7348
年,卷(期)：2011.54(11)
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