Ni-B-Si-WC-Mo系合金の機械的性質と組織に及ぼすSiの影響 Effect of Si on Mechanical Properties and Microstructures of Ni-B-Si-WC-Mo Alloys

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The effects of Si contents on the mechanical properties and microstructures of Ni-2.2 mass%B-(0-6.4)mass%Si-30mass%WC-15mass%Mo alloys were studied. The transverse-rupture strength ( TRS ) declined as the Si contents increased after the TRS reached its peak (2.0GPa) at 3.2 mass% Si. The TRS values of the alloys increased with dissolution of Si into binder phase and with dispersion of fine Ni<SUB>3</SUB>Si particles. In the case of coarse Ni<SUB>3</SUB>Si, Ni<SUB>31</SUB>Si<SUB>12</SUB> particles were formed in the binder phase, the TRS decreased.<BR>The hardness increased as Ni<SUB>3</SUB>Si, Ni<SUB>31</SUB>Si<SUB>12</SUB> was formed in the binder phase. The maximum hardness of HRA87.5 was obtained at 6.4 mass% Si.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 43(4), 504-509, 1996-04-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002011981
  • 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
    3954816
  • 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  NDL  J-STAGE 
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