サーメットの耐熱衝撃性評価への赤外線放射加熱法の適用 Application of Infrared Radiation Heating Method to Evaluation of Thermal Shock Resistance of Cermet

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Thermal shock resistance of cermets was tried to evaluate by the infrared radiation heating method that a thin circular disk is heated and fractured by infrared ray concentrated on the central area with a constant heat flux. Thermal shock fracture toughness R<SUB>2c</SUB> could be measured for specimens with an edge notch, while thermal shock strength R<SUB>1c</SUB> could not for the specimens without the notch. It was thought, however, that R<SUB>2c</SUB> might depend on radius of curvature of the edge notch. Using the data of R<SUB>2c</SUB>, thermal shock strength R<SUB>1c</SUB> was calculated from the consideration of stress concentration. As a result, it was considered that thermal shock strength R<SUB>1c</SUB> could be applied to evaluation of thermal shock resistance of cermet and thermal shock resistance of Ti(C, N)-Mo<SUB>2</SUB>C-Ni cermets increased with an increase in the content of nitrogen and Ni.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 44(3), 247-252, 1997-03-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002013642
  • 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
    4172708
  • 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  CJP引用  NDL  J-STAGE 
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