Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Effect of B4C Content on the Sintering Characteristics of 6061Al-B4C Composite Powder

B4C 함량에 따른 6061 Al-B4C 복합분말의 소결 특성 연구

  • Park, Jin-Ju (Nuclear Materials Development Division, Korea Atomic Energy Research Institute (KAERI)) ;
  • Hong, Sung-Mo (Nuclear Materials Development Division, Korea Atomic Energy Research Institute (KAERI)) ;
  • Kim, Kyoung-Yeol (Nuclear Materials Development Division, Korea Atomic Energy Research Institute (KAERI)) ;
  • Lee, Min-Ku (Nuclear Materials Development Division, Korea Atomic Energy Research Institute (KAERI)) ;
  • Rhee, Chang-Kyu (Nuclear Materials Development Division, Korea Atomic Energy Research Institute (KAERI)) ;
  • Rhee, Won-Hyuk (Daewha Alloytech) ;
  • Lee, Yang Kyu (Dept. of Management Information System, Seowon University)
  • 박진주 (한국원자력연구원 원자력재료개발부) ;
  • 홍성모 (한국원자력연구원 원자력재료개발부) ;
  • 김경열 (한국원자력연구원 원자력재료개발부) ;
  • 이민구 (한국원자력연구원 원자력재료개발부) ;
  • 이창규 (한국원자력연구원 원자력재료개발부) ;
  • 이원혁 (대화알로이테크(주)) ;
  • 이양규 (서원대학교 경영정보학과)
  • Received : 2013.05.21
  • Accepted : 2013.06.17
  • Published : 2013.06.28
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Abstract

In the present work, 6061 Al-$B_4C$ sintered composites containing different $B_4C$ contents were fabricated and their characteristic were investigated as a function of sintering temperature. For this, composite powders and their compacts with $B_4C$ various contents from 0 to 40 wt.% were fabricated using a planetary ball milling equipment and cold isostatic pressing, respectively, and then they were sintered in the temperature ranges of 580 to $660^{\circ}C$. Above sintering temperature of $640^{\circ}C$, real density was decreased due to the occurrence of sweat phenomena. In addition, it was realized that sinterability of 6061Al-$B_4C$ composite material was lowered with increasing $B_4C$ content, resulting in the decrease in its real density and at the same time in the increment of porosity.

Keywords

References

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