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http://dx.doi.org/10.5228/KSPP.2006.15.2.143

Effect of Processing Condition on the Hot Extrusion of Al-Zn-Mg-Sc Alloy  

Kim, Nam-Yong (동의대학교 신소재공학과)
Kim, Jin-Ho (한국기계연구원 재료기술연구소/소재성형센터)
Yeom, Jong-Taek (한국기계연구원 재료기술연구소/소재성형센터)
Lee, Dong-Geun (한국기계연구원 재료기술연구소/소재성형센터)
Lim, Su-Gun (경상대학교 재료공학부)
Park, Nho-Kwang (경상대학교 재료공학부)
Kim, Jeoung-Han (한국기계연구원 재료기술연구소/소재성형센터)
Publication Information
Transactions of Materials Processing / v.15, no.2, 2006 , pp. 143-147 More about this Journal
Abstract
Effect of processing condition on the hot extrusion of Al-Zn-Mg-Sc alloy was investigated. For this purpose, hot compression test and FE-simulation were conducted via Thermecmaster-Z and DEFORM-3D, respectively. The microstructure evolution during hot extrusion and post heat-treatment was investigated and deformation mechanisms were analyzed by constructing processing map. FE-simulation results show that the temperature difference between container and billet has considerable influence on the final shape of extruded T-shape bar. The relation between applied load and processing time was predicted by the FE-analysis as well as punch speed vs. stroke chart.
Keywords
Hot Extrusion; Al-Zn-Mg-Sc; Finite Element Method; Dynamic Materials Model; Scandium;
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