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영구자석의 회전을 이용한 Al-Si 합금계의 반응고합금 제조공정 연구
송인혁,한유동,윤중열,안중호 ( In Hyuck Song,Yoo Dong Hahn,Jung Yeul Yun,Jung Ho Ahn ) 한국주조공학회 1997 한국주조공학회지 Vol.17 No.1
N/A The semisolid processing of two Al-Si alloys, A356 and Al-25wt%Si, was studied with using the rotor composed of permanent magnets. The semisolid slurry was agitated by the electromagnetic force induced from the rotating permant magnets. The round shaped primary α phases were formed in A356 alloy as a result of agitation. In Al25wt%Si alloy, spherodization of primary Si particles was not observed with the rotation of the magnets. The primary Si particles were segregated to the outer surface area of sample, which became pronounced with increasing the rotating speed of magnets.