Transformation mechanism of lamellar microstructure of AZ80 wrought Mg alloy during warm deformation |
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| Authors: | LI Zhao-zhi YANG Ya-qin ZHANG Zhi-min College of Materials Science Engineering North University of China Taiyuan China Shanxi Jinxi Precision Machinery CoLtd |
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| Affiliation: | LI Zhao-zhi,YANG Ya-qin,ZHANG Zhi-min 1.College of Materials Science , Engineering,North University of China,Taiyuan 030051,China,2.Shanxi Jinxi Precision Machinery Co.Ltd |
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| Abstract: | The microstructure especially the lamellar second phase evolution by a combination of deformation and heat treatment for AZ80 alloy was investigated. The results show that there are finer lamellar Mg17Al12 phases after hot compression with the increasing strain, while there are coarse lamellar discontinuous precipitation cells of β-Mg17Al12 phase spreading from the grain boundaries into the grains after T6 treatment of the compressed samples. The lamellar morphologies especially the lamellar distance of β-Mg17Al12phase precipitation of the T6 treated deformation specimen at different strains differ from each other as there are different grain boundaries in the corresponding compressed specimens. |
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| Keywords: | AZ80 Mg alloy lameilar microstructure strain T6 treatment |
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