Hardness and oxidation resistance of perovskite-type borocarbide system YRh3BxC1-x (0≦x≦1)

Toetsu Shishido, Jinhua Ye, Shigeru Okada, Kunio Kudou, Kiyokata Iizumi, Masaoki Oku, Yoshio Ishizawa, Tadaaki Amano, Shigemi Kohiki, Yoshiyuki Kawazoe, Kazuo Nakajima

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7 Citations (Scopus)

Abstract

Quaternary borocarbide system YRh3BxC1-x phase have been synthesized by arc melting method and studied for their microhardness and oxidation resistance. Perovskite-type YRh3B and YRh3C form a continuous solid-solution in the range of 0≦x≦1 with a cubic structure (space group: Pm3m, Z=1). The microhardness of YRh3BxC1-x increases with increasing boron content. Thermogravimetric analysis indicates that the oxidation onset temperature also increases with boron content. Thus, it is indicated that the chemical stability of the perovskite-type borocarbide solid-solution YRh3BxC1-x is strongly dependent on the boron content.

Original languageEnglish
Pages (from-to)198-201
Number of pages4
JournalJournal of Alloys and Compounds
Volume354
Issue number1-2
DOIs
Publication statusPublished - 2003 May 12

Keywords

  • Microhardness
  • Oxidation resistance
  • Perovskite-type phase
  • Solid-solution
  • YRhBC

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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    Shishido, T., Ye, J., Okada, S., Kudou, K., Iizumi, K., Oku, M., Ishizawa, Y., Amano, T., Kohiki, S., Kawazoe, Y., & Nakajima, K. (2003). Hardness and oxidation resistance of perovskite-type borocarbide system YRh3BxC1-x (0≦x≦1). Journal of Alloys and Compounds, 354(1-2), 198-201. https://doi.org/10.1016/S0925-8388(03)00011-2