18-8Ti型ステンレス鋼のクリープ破断特性と組織変化について

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タイトル別名
  • Creep Rupture Properties and Structural Changes in 18-8 Ti Stainless Steel. (Creep Rupture Properties of 18-8 Ti Stainless Steel, 2nd Report)
  • 18-8Tiガタ ステンレス コウ ノ クリープハダントクセイ ト ソシキ ヘンカ ニ ツイテ

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抄録

The structural changes in the test pieces of 18-8 Ti stainless steel have been examined to determine the effect of working and heat treatment upon creep rupture properties. The following are the conclusions of this investigation. (1) The creep rupture strength in the long period side is very small when the test pieces are subjected to cold working or heat treatment at a comparatively low temperature before the test. This is partly due to the fine grains formed by recystallization, but is mostly caused by the loss of the precipitation effect which prevents creep deformation due to over-aging accelerated by recrystallization. (2) It makes a great difference in creep rupture properties of 18-8 Ti stainless steel whether the heat treatment after working is made at a comparatively low temperature in the precipitation temperature range, or at a high temperature in the soluble temperature range.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 25 (4), 241-244, 1961

    公益社団法人 日本金属学会

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