Microstructure and texture evolution during warm compression of the magnesium alloy AZ31  被引量:2

Microstructure and texture evolution during warm compression of the magnesium alloy AZ31

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作  者:GODFREYB Andy 

机构地区:[1]Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University

出  处:《Science China(Technological Sciences)》2009年第1期186-189,共4页中国科学(技术科学英文版)

基  金:Supported by the National Basic Research Program of China ("973") (Grant No. 2007CB613703);the International Key Program for Cooperation in Science and Technology of China (Grant No. 2006DFA51160);the National Natural Science Foundation of China (Grant Nos. 50571049, 50231030)

摘  要:The evolution of the microstructure and texture with strain during compression at 150℃ of the magnesium alloy AZ31 has been investigated using the electron backscattered diffraction (EBSD) technique. The initial samples were chosen to have a strong basal plane texture with the crystal c-axes perpendicular to the compression direction. The EBSD data provide evidence concerning the relative activity of both {10-12} extension twinning and slip, and suggest that non-basal <c+a> slip is important in samples deformed to a strain of more than 0.2. The relative contributions of the twinning and the slip during deformation have been discussed based on the results above.The evolution of the microstructure and texture with strain during compression at 150° of the magnesium alloy AZ31 has been investigated using the electron backscattered diffraction (EBSD) technique. The initial samples were chosen to have a strong basal plane texture with the crystal c-axes perpendicular to the compression direction. The EBSD data provide evidence concerning the relative activity of both {10–12} extension twinning and slip, and suggest that non-basal <c+a> slip is important in samples deformed to a strain of more than 0.2. The relative contributions of the twinning and the slip during deformation have been discussed based on the results above.

关 键 词:AZ31 electron backscattered diffraction (EBSD) texture SLIP TWINNING 

分 类 号:TG146.22[一般工业技术—材料科学与工程]

 

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