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반응고 성형된 A357 Al 합금 성형품의 후열처리 특성
최원호 ( W. H. Choi ),신평우 ( P. W. Shin ),이상용 ( S. Y. Lee ) 한국열처리공학회 2003 熱處理工學會誌 Vol.16 No.1
N/A Recently, semi-solid forming (SSF) process has been applied in many automobile parts for improved weight reduction, better environmental protection and energy savings. SSF process was well developed for high volume production of light weight aluminum components. In this paper, knuckle has been manufactured by SSF and then the microstructures and mechanical properties were investigated followed by various heat-treatment conditions, It was found that the examined microstructure was equiaxed at the whole cross-section area.