低合金焼結鋼の機械的特性に及ぼす2次工程の影響 Influence of Secondary Operations on Mechanical Properties of Low Alloyed Sintered Steel

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Partially diffusion bonded alloy has been used for components which require high mechanical properties. Secondary operations as a carburizing are used for these materials to achieve higher strength. Pre-alloyed 3Cr-0.5Mo steel powder can have excellent mechanical properties when it is sintered at 1250°C, followed by secondary operations: carburising or shot peening. This time the fatigue strength of 520MPa has been achieved after the same shot peening process by adjusting cooling rate of Carbon/Carbon Composite Mesh Belt Furnace for 3Cr-0.5Mo steel powder. The influence of sintering conditions on chemical analysis and the effect of controlling cooling rate on fatigue strength are discussed. Pre-alloyed 1.5Cr-0.5Mo steel powder are also discussed. Finally the paper describes the simulation methods of residual stress after shot peening.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 51(7), 527-535, 2004-07-15

    一般社団法人 粉体粉末冶金協会

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各種コード

  • NII論文ID(NAID)
    10013343797
  • 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
    7047301
  • 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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