Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Microstructure and Mechanical Properties of Al/SiCp Particle Reinforced Composite Severely Deformed by ARB Process

ARB법에 의해 강소성가공된 Al/SiCp 입자분산복합재료의 미세조직 및 기계적 특성

  • Lee Seong-Hee (Department of Advanced Materials Science and Engineering, Mokpo National University) ;
  • Kim Hyoung-Wook (Department of Materials Technology, Korea Institute of Machinery and Materials)
  • 이성희 (목포대학교 신소재공학과) ;
  • 김형욱 (한국기계연구원 재료연구부)
  • Published : 2006.01.01
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Abstract

The $Al/SiC_p$ particle reinforced composite fabricated by a powder-in sheath rolling (PSR) method was severely. deformed by the accumulative roll-bonding (ARB) process. The ARB process was performed up to 8 cycles at ambient temperature without lubricant. The ARBed composite exhibited an ulbricant. grained structure similar to the other ARBed bulky materials. Tensile strength of the composite increased gradually with the number of ARB cycles, but from the 6th cycle it rather decreased slightly. These characteristics of the composite were somewhat different from those of Al powder compact fabricated by the same procedures. The difference in microstructure and mechanical properties between Al powder compact and the composite was discussed.

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