Effect of homogenization annealing on internal residual stress distribution and texture in ME21 magnesium alloy extruded plates

查看全文 作　　者：Yong [1,2]Lian;Pengfei [1,3]Ji;Jin [1,2]Zhang;Xiaomin [1,2]Yuan;Weisheng [1,2]Xu;Yongle [1,2]Zhao;Jiahao [1,2]Mo;Lin [4]Zheng;Shitao [4]Dou

机构地区：[1]Institute for Advanced Materials and Technology,University of Science and Technology Beijing,Beijing 100083,China;[2]Beijing Key Laboratory of Corrosion,Erosion and Surface Technology,Beijing 100083,China;[3]Capital Aerospace Machinery Company,Beijing 10076,China;[4]Institute of Southwest Technology and Engineering,Chongqing 400039,China

出　　处：《Journal of Magnesium and Alloys》索引2019年第7卷第1期,共7页

基　　金：This work is supported by the National Key R&D Plan(grant No.2016YFB0301105);the Fundamental Research Funds for the Central Universities(grant No.FRF-TP-16-016A1). 摘　　要：The distribution of residual stresses through thickness of 5 mm-thick ME21 magnesium alloy extruded plates was analyzed non-destructively using short-wavelength X-ray diffraction(SWXRD),and the effect of homogenization annealing before extrusion on the residual stress was discussed.The classic d 0 method with an annealed stress-free reference specimen was employed to determine the residual stress of the extruded plates.The residual stress results showed that the gradient of residual stress in the transverse direction was larger than that of the extrusion direction.The homogenization process prior to extrusion weaken the formed sample’s texture.The maximum residual stress of the as-extruded plate was reduced,and the residual stress distribution was homogenized. 关键词：ME21 magnesium alloy Homogenization annealing Residual stress Short-wavelength X-ray diffraction

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Effect of homogenization annealing on internal residual stress distribution and texture in ME21 magnesium alloy extruded plates

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