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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Effect of Al-5Ti-B on the Microstructure of Rheology Material

Al-5Ti-B가 레오로지 소재의 미세조직에 미치는 영향

  • 양자오 (부산대학교 정밀기계공학과) ;
  • 서판기 (부산대학교 정밀기계공학과) ;
  • 강충길 (부산대학교 기계공학부)
  • Published : 2005.05.01
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Abstract

Semisolid A356 slurries were prepared by electromagnetic stirring casting and by inoculation of Al-5Ti-B master alloy. As stirring time and addition of Al-5Ti-B are different, the grain size of the primary phase is different. Through the experiment of rheocast in a Buhler horizontal die casting machine, it was found that the finer the equiaxed primary dendrites, the smoother the die filling and better cast quality. Small equiaxed primary dendrite also results in less liquid segregation on the surface.

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