耐食・耐熱材料　ＳＵＳ６３０の冷間加工法，ピーク時効引張特性に及ぼすＣ，Ｎ，Ｎｂ量の影響

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書誌事項

タイトル別名
  • Corrosion and Heat Resistant Materials. Influence of C, N and Nb Contents on Cold Formability in Solution Treatment and Tensile Property in Peak Aging of SUS630(17-4PH).
  • SUS630の冷間加工性,ピーク時効引張特性に及ぼすC,N,Nb量の影響
  • SUS630 ノ レイカン カコウセイ ピーク ジコウ ヒッパリ トクセイ ニ

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説明

The influence of C, N and Nb contents on cold formability in solution treatment and tensile property in peak aging of SUS630(17-4PH) were studied considering grain size. 1) The grain growth temperature Tg is indicated as follows, ([mass%C]+[mass%N])}=-17600/Tg +11.2 2) The contribution of C content on the increment of solution treated hardness is twice as much as that of N content. Grain size and Nb are less influential in solution treated hardness than C, N. 3) The critical upsetting ratio increases with decreasing C content. On the the addition of N does not lower the critical upsetting ratio. 4) Making C content down from 0.054mass% to 0.005mass%, the flow stress of SUS630 decreases about 20%, and it is comparable with the flow stress of SUS XM7(18Cr-8Ni-3Cu) in the region over 0.6 in true strain. 5) There is no influence of C, N contents on 0.2% proof stress and tensile

収録刊行物

  • 電気製鋼

    電気製鋼 67 (2), 87-93, 1996

    大同特殊鋼株式会社

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