Proceedings of the Korean Society for Technology of Plasticity Conference (한국소성가공학회:학술대회논문집)

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
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A Comparison of the Grain Size of Semisolid A356 Aluminum Alloy Obtained by EMS Stirring and Grain Refinement

전자 교반과 결정립 미세화에 의한 반용융 A356 재료의 결정립 크기 비교

  • 양자오 (부산대학교 정밀기계공학과 대학원) ;
  • 서판기 (부산대학교 정밀기계공학과 대학원) ;
  • 고재홍 (부산대학교 정밀기계공학과 대학원) ;
  • 정용식 (부산대학교 정밀기계공학과 대학원) ;
  • 강충길 (부산대학교 기계공학부)
  • Published : 2004.10.01
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Abstract

Different kinds of feedstock of semisolid a356 aluminum alloy manufactured by EMS stirring only, inoculation of Al-5Ti-B only and combination of inoculation and EMS stirring were investigated. It is found that the grain size of these feedstock are $350{\mu}m$ for EMS casting only, $320{\mu}m$ for inoculation by Al-5Ti-B, and $100{\mu}m$ for the combination of EMS stirring and inoculation of Al-5Ti-B master alloys. The microstructure of the sample obtain by combination of inoculation and EMS system show the best homogeneousness and finest grains.

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