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AZ31镁合金400amp;#176;C本构律之有限元验证分析.pdf
Trans. Nonferrous Met. Soc. China 23(2013) 3372−3382
Finite element verification on constitutive law of
AZ31 magnesium alloy at 400 °C
Shih-Tsung TSENG, Hsuan-Teh HU
Department of Civil Engineering, National Cheng Kung University, Tainan 701, Taiwan, China
Received 2 February 2013; accepted 15 May 2013
Abstract: A constitutive law is offered for an AZ31B-H24 Mg alloy within a strain rate range of 10−5−10−2 s–1 at a temperature of
400 °C. The constitutive law, which is developed by curve fitting the tensile tests data, is expressed as a flow stress function of strain
and strain rate. Furthermore, the constitutive law is embedded into a proper FE model to simulate the tensile experiments for the
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