한국주조공학회지 (Journal of Korea Foundry Society)
- 제10권5호
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- Pages.392-398
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- 1990
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- 1598-706X(pISSN)
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- 2288-8381(eISSN)
Al계 편정합금의 중력 편석에 관한 연구(II);Pb, Bi 입자의 분산에 미치는 모하금 첨가의 영향
A Study on the Gravity Segregation in Monotectic Al Alloys.(II);The Effect of Master Alloy Addition on the Distribution of Pb, Bi Particles
- Hwang, Ho-Eul (Samson Industrial Co., R&D Lab.) ;
- Lee, Jai-Ha (Dept. of Metallugical Eng., Jeonbuk Univ.) ;
- Kim, Hee-Myung (Dept. of Materials Eng., Hanyang Univ.) ;
- Choe, Jeong-Cheol (Dept. of Materials Eng., Ajou Univ.) ;
- Yoon, Eui-Park (Dept. of Materials Eng., Hanyang Univ.)
- 발행 : 1990.10.20
초록
To improve free-cutting property, fine Pb, Bi particles is necessary to be distributed evenly in Al-Cu alloy. The control of added element size and distribution are very difficult because of the physical properties of Pb, Bi. The effect of master alloy compositions on microstructure and particle distribution was investigated. The ribbon shape of Pb-50wt% Bi master alloy showed the best results. And Ti addition improved even distribution of Pb, Bi particles. Particles grown from
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