Influence of rare earth on the microstructure and age hardening response of indirect-extruded Mg-5Sn-4Zn alloy

查看全文 作　　者：[1,2]程伟丽;PARK S [2]S;[2]唐伟能;KOO B [1]H

机构地区：[1]School of Nano & Advanced Materials Engineering, Changwon National University;[2]Light Metals Research Group, Korea Institute of Materials Science (KIMS)

出　　处：《Journal of Rare Earths》索引2010年第28卷第5期,共5页

基　　金：Project supported by the Fundamental R&D Program for Core Technology of Materials Funded by the Ministry of Knowledge Economy and the Center for Advanced Materials Processing (CAMP) of 21st Century Frontier R&D Program, Republic of Korea 摘　　要：The effects of Ce addition on the microstructure, age hardening response and mechanical properties of an indirect-extruded Mg-5wt.%Sn-4Zn (TZ54) alloy were investigated. Addition of Ce accelerated the aging response with the peak aging time moving from 300 h in TZ54 to 30 h in Mg-5wt.%Sn-4Zn-1Ce (TZE541), while the peak harness was similar to each other. The addition of Ce also caused an increase in the precipitation stability during overageing. Though the tensile strength of extruded TZ54 was improved by the addition of Ce, the tensile strength of the TZE541 was reduced after T6-treatment. The combined mechanical properties of the present as-extruded alloys by solution heat-treatment and artificial aging (T6) were comparable to commercial wrought magnesium alloys. 关键词：镁合金挤出微观结构老化反应稀土元素

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Influence of rare earth on the microstructure and age hardening response of indirect-extruded Mg-5Sn-4Zn alloy

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