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Microstructure and kinetics of hot deformation WE43 magnesium alloy

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【Author】 GAO Jiacheng, WANG Qiang, WANG Yong, LI Wei, and NIU Wenjuan College of Materials Science and Engineering, National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, China

【摘要】 The effect of compression on the microstructures and flow behavior of WE43 magnesium alloy was investigated in this article. The relation-ship between flow stress and strain rate was discussed. According to the empirical formula ε = Aσ nexp( -Q RT), the value of heat activa-tion of WE43 magnesium alloys is 297.15 kJ/mol. A mechanism of deformation softening of WE43 alloy in testing hot deformation was identified to be dynamic recrystallization.更多还原

【Abstract】 The effect of compression on the microstructures and flow behavior of WE43 magnesium alloy was investigated in this article. The relation-ship between flow stress and strain rate was discussed. According to the empirical formula ε = Aσ nexp( -Q RT), the value of heat activa-tion of WE43 magnesium alloys is 297.15 kJ/mol. A mechanism of deformation softening of WE43 alloy in testing hot deformation was identified to be dynamic recrystallization.更多还原

【关键词】 WE43 magnesium alloy； hot deformation； microstructure； kinetics；
【Key words】 WE43 magnesium alloy； hot deformation； microstructure； kinetics；

【基金】 the National Natu-ral Science Foundation of China (No. 30670562);the Post-graduate Science and Innovation Fund of Chongqing Uni-versity (No. 200706A1A0070227)

【文献出处】 Rare Metals ,稀有金属(英文版) , 编辑部邮箱 ,2008年04期

【分类号】TG146.22
【被引频次】9
【下载频次】172

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