Fabrication of TiC-Based Composites by SHS/Dynamic Pseudo Isostatic Compaction

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TiC-based composites were fabricated by dynamic pseudo isostatic compaction (DPIC) just after self-propagating high temperature synthesis (SHS). The pressing of 20-255MPa (velocity of piston: 60mm/sec) was performed through a sand medium. The process enables to simultaneously synthesize and density the TiC/Ti, TiC/Ti (Mo) composites from Ti, C, Mo powders. The sample could be taken out from a reaction vessel within a couple of minutes after ignition. The adiabatic combustion temperatures were also calculated as a function of the mixing ratio of the elemental powders in the reaction system. X-ray diffraction patterns of TiC/Ti and TiC/Ti (Mo) produced revealed that the portion of Ti consisted of α-Ti and β-Ti (Mo) respectively. The time delay between SHS and DPIC was affected greatly on the product density. Micro Vickers hardness, Young's modulus and bending strength of the composites were measured. In case of TiC/Ti, the values were 550[Hv], 230MPa, 1130MPa in the ratio of C/Ti=0. 3, respectively, and the density was 4. 54 g/cm<SUP>3</SUP>. In TiC/Ti (Mo) composite with 4. 92 g/cm<SUP>3</SUP> of the density, the values were 610[Hv], 200MPa, 1050MPa in the ratio of C/Ti (Mo) =0. 3 and Mo/ (Ti, Mo) =0. 1, respectively. The wear resistance of TiC/Ti (Mo) composite was 2 times higher than TiC/Ti material.

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, 1066-1068, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002692822
  • 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
    4494149
  • 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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