The Sintering Phenomena and Heat-Treated Properties of Carbides and Borides Precipitated P/M Alloys Made of H.S.S. Powder

Akira Fujiki, Yoshihiro Maki, Makoto Kanou, Ichirō Tanimoto

研究成果: Article査読

抄録

The sintering phenomena of mixtures of high speed steel powder and boron containing ferrous alloy powders were studied to obtain carbides and borides precipitated wear resisting P/M alloys. Moreover, the properties of these alloys after heat treatment were also examined. AISI M7 and carbon reduced M7 (0.5%C) powders were selected, and Fe-B and Fe-Cr-B powders were used as additive powder. The results obtained were summarized as follows: (1) Fe-B alloy powder was better than Fe-Cr-B powder as the boron containing additive powder. (2) In order to get good mechanical properties, boron content of mixture was to be determined as (Mo at% +W at%)/B at%=1.0. (3) Carbon content of H.S.S. should be reduced from standard value to make carbides and borides coprecipitate.

本文言語English
ページ(範囲)118-124
ページ数7
ジャーナルJournal of the Japan Society of Powder and Powder Metallurgy
35
3
DOI
出版ステータスPublished - 1988
外部発表はい

ASJC Scopus subject areas

  • 機械工学
  • 産業および生産工学
  • 金属および合金
  • 材料化学

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