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HE Jian-hong, SUN Yong, DUAN Yong-hua, FANG Dong-sheng. Effect of Deformation Conditions of Pb-Mg-Al Alloy during Hot Compression on Flow Stress and Its Constitutive Equation[J]. Materials and Mechanical Engineering, 2013, 37(3): 95-98.
Citation: HE Jian-hong, SUN Yong, DUAN Yong-hua, FANG Dong-sheng. Effect of Deformation Conditions of Pb-Mg-Al Alloy during Hot Compression on Flow Stress and Its Constitutive Equation[J]. Materials and Mechanical Engineering, 2013, 37(3): 95-98.
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Effect of Deformation Conditions of Pb-Mg-Al Alloy during Hot Compression on Flow Stress and Its Constitutive Equation

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  • Received Date: September 07, 2012
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    • Abstract
  • According to hot compression simulation data, relationships between flow stress and temperature, strain rate and strain of a Pb-Mg-Al alloy were studied through single and multiple regression, and based on experimental data, a constitutive equation of the Pb-Mg-Al alloy was created. The results show that the relationship between flow stress, strain rate and deformation temperature satisfied hyperbolic sine equation during hot compressive deformation for the Pb-Mg-Al alloy; at the same time, the flow stress constitutive equation could accurately predict the steady-state flow stress during high temperature deformation, and high temperature hot deformation of the Pb-Mg-Al alloy was controlled by activation energy.
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    • References (16)
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