首页|Microstructure and mechanical properties of high speed indirect-extruded Mg-5Sn-(1,2,4)Zn alloys

Microstructure and mechanical properties of high speed indirect-extruded Mg-5Sn-(1,2,4)Zn alloys

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The microstructural evolution and mechanical properties of high speed indirect-extruded Mg-5％Sn-(1,2,4) Zn (mass fraction,％) alloys were investigated by optical microscopy (OM),X-ray diffraction (XRD),scanning electron microscopy (SEM),differential thermal analysis (DTA) and a static tension tester.All the studied alloys can be extruded successfully at a high speed of 10 m/min.The grain size,area fraction of particles and tensile properties are found to be greatly affected by the extrusion speed and Zn content,resulting in tensile properties showing lower strength and ductility as the extrusion speed increases and Zn content decreases.The dependence of grain size and tensile properties on the second phase particles is also discussed.

magnesium alloyindirect extrusionmicrostructuremechanical properties

CHENG Wei-li、WANG Miao、QUE Zhong-ping、XU Chun-xiang、ZHANG Jin-shan、LIANG Wei、YOU Bong-sun

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Key Laboratory of Interface Science and Engineering in Advanced Materials of Ministry of Education(Taiyuan University of Technology),Taiyuan 030024,China

School of Materials Science and Engineering,Taiyuan University of Technology,Taiyuan 030024,China

Korea Institute of Materials Science,Changwon 641-831,Korea

Basic Science Research Program through the National Research Foundation (NRF) of Korea funded by the Ministry of Education,ScienShanxi Province Science Foundation for Youths,ChinaAdvanced Programs of Department of Human Resources and Social Security of Shanxi Province for Returned ScholarsFoundation for Young Scholars of Taiyuan University of Technology,China

2012R1A1A10128022013021013-42012L003

2013

10.1007/s11771-013-1779-1

中南大学学报(英文版)
中南大学

中南大学学报(英文版)

SCIEI
影响因子：0.47
ISSN：2095-2899
年,卷(期)：2013.20(10)
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