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Sinter-hardening Process of P/M Steels and its Recent Developments

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  • URLhttps://db.koreascholar.com/Article/Detail/4166
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한국분말재료학회(구 한국분말야금학회) (Korean Powder Metallurgy Institute)
초록

The mechanical properties of ferrous powder metallurgy (P/M) materials are directly related to their microstructure. Ferrous P/M materials with sufficient hardenability will develop microstructures containing significant percentages of martensite in the as-sintered condition. Recently, sinter-hardening has developed into a highly cost effective production method through hardened P/M parts without the need for additional heat-treatments. This paper reviews the advances of sinter-hardening as well as some key processing parameters such as sintering temperature, cooling rate, tempering required to produce high quality sinter-hardened components. Specific topics including effect of alloying elements, alloying methods, and the Characterization and observation of microstructure are discussed.

저자
  • Yi
  • Jianhong
  • Ye
  • Tuming
  • Peng
  • Yuandong
  • Xia
  • Qinglin
  • Wang
  • Hongzhong