High Pressure Sintering Behavior of B_6O-Based Composites

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抄録

Super-hard sintered composites in the systems of B<SUB>6</SUB>O-B<SUB>4</SUB>C and B<SUB>6</SUB>O-cBN were prepared by high pressure sintering of composite powders containing in-laboratory synthesized B<SUB>6</SUB>O powder. Nearly fully dense sintered composites were obtained under the high pressure and temperature treatment conditions of 3-6 GPa, 1500-1800°C and 10-30 min. Vickers microhardness of the sintered composites ranged form 3000 to 4600 kg/mm<SUP>2</SUP> depending on the composition and sintering conditions. The fracture toughness of the B<SUB>6</SUB>O-cBN system which was higher than that of the B<SUB>6</SUB>O-B<SUB>4</SUB>C system, was observed by the enhanced crack propagation along the grain boundary between B<SUB>6</SUB>O and cBN.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 986-988, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002692516
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4494121
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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