Fe-Cr合金のプラズマ窒化挙動に及ぼす溶質濃度の影響 Effect of Solute Content on Plasma Nitriding Behavior of Fe-Cr Alloys

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抄録

Fe-Cr alloys with 3.0 to 18.6wt%Cr were plasma-nitrided at 650°C for 16h in a mixed gas of N2:H2=1:3. A nitriding layer, which is so called "internal nitriding layer", was formed parallel to the specimen surface, but the formation of a surface nitriding layer of γ'-Fe<SUB>4</SUB>N was not observed. The Cr nitride formed in the nitriding layer was determined by XRD experiments to be CrN, not Cr<SUB>2</SUB>N. The hardness Hv of the nitriding layer increased as the Cr content increased. The hardness increase is due to the dispersion of fine CrN particles in α-Fe matrix. The thickness of the nitriding layer decreased linearly as the Cr content increased.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 43(3), 331-335, 1996-03-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002011635
  • 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
    3936700
  • 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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