X線回折によるWC-Co超硬合金の相応力測定 Phase Stress Measurement of WC-Co Cemented Carbide by X-Ray Diffraction

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The phase stress of the WC and Co phases in a WC-Co cemented carbide was determined by x-ray diffraction. The diffraction lines of WC (121) and Co (311) planes were measurcd with CoKα radiation. The surface of a specimen was sandblasted and polished with abrasive papers. The peak position of the diffraction line of the WC (121) plane which locates at a high diffraction angle of 164.17 deg was precisely determined by the Gaussian curve method. Various stresses were applied to the specimen to determine the stress constant K of the two phases. To determine the stress of the Co phase induced by an applied load, the stress constant was calculated theoretically from the elastic constants of a single crystal by using Kroner's model. The stress in the WC phase was determined from the stress in the Co phase using the equation of the equilibrium for microstresses. An extremely high compressive residual stress of 2 GPa was measured in the WC phase.

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  • 実験力学 : journal of JSEM

    実験力学 : journal of JSEM 4(2), 100-107, 2004-06-25

    日本実験力学会

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各種コード

  • NII論文ID(NAID)
    10013274299
  • NII書誌ID(NCID)
    AA11822914
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13464930
  • NDL 記事登録ID
    7026761
  • NDL 雑誌分類
    ZM17(科学技術--科学技術一般--力学・応用力学)
  • NDL 請求記号
    Z74-C355
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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