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레오로지 박판의 전자교반을 응용한 진공 저압주조 제조공정
장신규 ( Sin Kyu Jang ),배정운 ( Jung Woon Bae ),진철규 ( Chul Kyu Jin ),강충길 ( Chung Gil Kang ) 한국주조공학회 2012 한국주조공학회지 Vol.32 No.1
In this study, we develop the lower pressure die casting with rheo-forming process of A356 aluminum alloy and vacuum system which can control the crystal size and obtain the high strengthened-light material. Using this process, we fabricate the thin plate for bipolar plate through the low pressure die casting with electromagnetic stirring and vacuum-evacuation which can control the crystal grain by electromagnetic stirring. Thin plate (110 mm × 130 mm × 1 mm) is fabricated by this process. The average Vickers hardness of thin plate is about 77 HV.