Cr-Mo系合金鋼粉の焼結体強度に及ぼすVの影響 Effect of V on the Tensile Strength of Sintered Cr-Mo Alloyed Steel Powder Compacts

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抄録

A prealloyed lCr-0.3Mo-0.3V(mass%) steel powder was developed to obtain the high strength sintered compacts. This new sintered 1Cr-0.3Mo-03V powder compact, which is Mn-less, made it possible to extend the range of the cooling rate after sintering to attain higher strength than that of sintered 1Cr-0.3Mo steel, and gave a tensile strength of more than 800 MPa and a rotating bending fatigue strength of 31OMPa at the cooling rates of 1 to 30°C/min. The wide range of cooling rates at which high strength can be obtained was attributed to a decrease in hardenability and the production of a fine pearlite structure by V addition. The improvement of the strength for the compacts added V is attributed to the precipitation hardening of V carbonitrides, as well as a narrow pearlite lamellar spacing.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 43(9), 1106-1110, 1996-09-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002013074
  • 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
    4036695
  • 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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