Journal of Korea Foundry Society (한국주조공학회지)

Korea Foundry Society (한국주조공학회)
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Effect of Centrifugal Casting Parameters on The Distribution of Primary Si Particles of B390 Aluminum Alloy

B390 알루미늄 합금의 초정Si 입자분포에 미치는 원심주조 공정인자의 영향

  • Park, Jeong-Wook (Dept. of Metallurgical System Eng., Pukyong National Univ.) ;
  • Kim, Heon-Joo (Dept. of Metallurgical System Eng., Pukyong National Univ.)
  • 박정욱 (부경대학교 신소재공학부 금속시스템공학과) ;
  • 김헌주 (부경대학교 신소재공학부 금속시스템공학과)
  • Published : 2008.01.20
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Abstract

To develop a functionally graded microstructure of cylindrical liner, effect of centrifugal casting parameters such as pouring temperature of hyper-eutectic Al-Si alloy melt, mold pre-heating temperature, and rotational frequency of mold on distribution of primary Si particles across wall thickness were investigated. Segregation tendency of Si particles toward inner side of cylindrical liner increased as the increase of rotational frequency of mold, pouring temperature of melt and mold pre-heating temperature. Especially, distribution density of primary Si particles within 1.5 mm from inner surface of cylindrical liner was above 35% under the centrifugal casting condition of $750^{\circ}C$ melt pouring temperature, $300^{\circ}C$ mold pre-heating temperature, and 2500 rpm mold rotational frequency.

Keywords

References

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