Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Characteristics of Stainless Steel Composites with Nano-sized TiCxNy

Nano-sized TiCxNy를 함유한 STS 복합체의 특성

  • Ban, Tae-Ho (School of Advanced Materials Engineering, Kumoh National Institute of Technology) ;
  • Park, Sung-Bum (School of Advanced Materials Engineering, Kumoh National Institute of Technology) ;
  • Jo, Soo-Jeong (School of Advanced Materials Engineering, Kumoh National Institute of Technology) ;
  • Lee, Dong-Won (Powder Technology Research Group, Korea Institute of Materials Science(KIMS)) ;
  • Turaev, Farkhod R. (Institute of Engine of General Motors) ;
  • Park, Yong-Il (School of Advanced Materials Engineering, Kumoh National Institute of Technology) ;
  • Kim, Sung-Jin (School of Advanced Materials Engineering, Kumoh National Institute of Technology)
  • 반태호 (금오공과대학교 신소재시스템공학부) ;
  • 박성범 (금오공과대학교 신소재시스템공학부) ;
  • 조수정 (금오공과대학교 신소재시스템공학부) ;
  • 이동원 (한국기계연구원 부설 재료연구소 분말기술연구그룹) ;
  • ;
  • 박용일 (금오공과대학교 신소재시스템공학부) ;
  • 김성진 (금오공과대학교 신소재시스템공학부)
  • Received : 2011.03.04
  • Accepted : 2011.06.02
  • Published : 2011.06.28
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Abstract

Titanium carbonitride is more perspective materials compared to titanium carbide. It can be used in tool industry and special products because of its higher strength, abrasive wear-resistance and especially its strong chemical stability at high temperatures. We produced STS+TiCxNy composite by the spark plasma sintering for higher strength and studied the characteristics. The planar and cross-sectional microstructures of the specimens were observed by scanning electron microscopy. Characterizations of the carbon and nitride phases on the surface of composite were carried out using an X-ray diffractometer. During annealing TiCxNy particles diffusion into STS 430 was observed. After annealing, sintering isolations between particles were formed. It causes decreasing of mechanical strength. In addition when annealing temperature was increased hardness increased. Heterogeneous distribution of alloying elements particles was observed. After annealing composites, highest value of hardness was 738.1 MHV.

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