常圧焼結により作製したTiB_2-SUS316Lサーメットの組織と機械的特性 Microstructures and Mechanical Properties of TiB_2-SUS316L Cermets Prepared by Pressureless Sintering

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The densification behaviour of different TiB<SUB>2</SUB> powders sizes of TiB<SUB>2</SUB>-(3-25vol%)Stainless steel (SUS316L) cermets was examined during pressureless sintering in argon atmosphere. Microstructures of sintered cermets and mechanical properties such as Vickers hardness, bending strength, fracture toughness and Young's modulus were also investigated. When fine TiB<SUB>2</SUB> powders were used, TiB<SUB>2</SUB>-SUS cermets with good sinterability and enhanced meccanical properties could be produced. Full density sintered cermets were obtained, and a new phase, Fe2B, was observed in 5-15vol%SUS cermets. The highest hardness values of 21GPa and the Young's modulus of 498GPa were obtained at 5vol%SUS. The highest bending strength of 1290MPa, was obtained for the 15vol%SUS cennet. Iron besides and titaniume oxides in sintered cemrets are connected with the presence of B, O impurities in TiB<SUB>2</SUB> powders. In cider to improve mechnical properties, finer powders with low oxygen and carbon content, are desirable.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 43(1), 128-133, 1996-01-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002011201
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    3918047
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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