Microstructure and Mechanical Properties of Ti-B-N Cast Alloys Prepared by Reactive Arc-Melting

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Ti–B–N cast alloys were prepared by a reactive arc-melting technique using elemental titanium and boron nitride powders. The alloys obtained were composites of titanium matrix containing nitrogen of 3 mol% or less and a small amount of TiB reinforcement. The microstructure of the matrix was a cellular structure consisting of elongated dislocation cells with 1–2 \\micron in width and 5–10 \\micron in length, for Ti–1B–1N alloy. The TiB particles were rod-like in shape with size of less than 0.5 \\micron in diameter and agglomerated to form clusters along the grain boundary. The mechanical properties were mainly dependent on the content of nitrogen and the influence of TiB on the mechanical properties was relatively small. The Ti–B–N cast alloys containing suitable concentration of nitrogen, Ti–0.5B–0.5N alloys, had a high strength of 920 MPa with adequate ductility of more than 5%.

収録刊行物

  • Materials transactions

    Materials transactions 43(9), 2193-2196, 2002-09-01

    公益社団法人 日本金属学会

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各種コード

  • NII論文ID(NAID)
    10012325954
  • NII書誌ID(NCID)
    AA1151294X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13459678
  • NDL 記事登録ID
    6312612
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z53-J286
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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