誘導加熱法を用いた高強度合金鋼の急速焼結 Rapid Sintering of High Strength-Alloyed Steels by Induction Heating Method

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To study rapid sintering by induction heating, we used high strength-alloyed steel powder, partially diffused powder of 4mass%Ni-1.5mass%Cu-0.5mass%Mo-0.3mass%C-bal. Fe. In this rapid sintering, the degassing process, diffusion of additional alloying elements and evolution of a Martensitic or Bainitic structure in the matrix were proved to play a very important role. Thus, the substantial controlling factors were the holding time for degassing and the diffusion. Experimental results showed that this process required a higher sintering temperature compared with the a continuous furnace, but that the sintered materials processed a higher radial crushing strength (R.C.S) by changing the holding time. Although the high strength-alloyed steel requires, in general, a longer time for diffusion of additional alloying elements, the holding time was only 3-4 minutes in the present process. The optimum condition appeared to be a sintering temperature of 1573 K for 120-180s with a temperature increase time of 65 s; the RCS data attained was about 1400MPa.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 49(6), 534-540, 2002-06-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10008833563
  • 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
    6190698
  • 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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