Effect of extrusion temperature on microstructure and tensile properties of Mg-Gd-Er-Zn-Zr alloy containing LPSO phase
作者机构：School of Materials Science and EngineeringJiangsu University of Science and TechnologyZhenjiang 212003JiangsuChina Foshan(Southern China)Institute for New MaterialsFoshan 528247GuangdongChina
出 版 物：《Journal of Iron and Steel Research International》 (Journal of Iron and Steel Research, International)
年 卷 期：2023年第30卷第8期
页 面：1633-1641页
核心收录：
学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）]
基 金：support from Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.SJCX21_1764) Department Education of Jiangsu Province(No.22KJB430003) Guangdong Basic and Applied Basic Research Foundation(No.2020A1515110394)
主 题：Mg alloy LPSO phase Recrystallization Texture Tensile property
摘 要：The Mg-1Gd-0.75Er-0.5Zn-0.18Zr(at.%)alloy with long-period stacking ordered(LPSO)phase was prepared by metal mold casting and hot *** extruded samples had a typical bimodal *** different fractions of equiaxed grains were observed in annealed *** percentage of fine grains decreased in the extruded Mg alloys with and without annealing treatment when the extrusion temperature was *** LPSO phases promote recrystal-lization behavior in the samples through particle-stimulated nucleation(PSN)*** Mg alloys extruded at 300℃ with or without annealing treatment obtained the best tensile *** the low extrusion temperature,more finely equiaxed grains with random texture are formed through PSN,and more LPSO phase kink bands are formed,which could improve the mechanical properties of the extruded Mg alloys.
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