書誌事項
- タイトル別名
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- Effect of Rising Mean Strain on Elevated-Temperature, Low-Cycle Fatigue Life of a SUS 316 Steel
- SUS316 コウ ノ コウオン テイ サイクル ツカレ ジュミョウ ニ オヨ
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Fatigue tests were carried out on a Type 316 stainless steel at 600 and 700°C in order to clarify the effect of creep deformation increasing gradually during fatigue tests on elevated-temperature, low-cycle fatigue life. Strain wave forms with or without rising mean strain were used for truncated wave form with a 10-min hold in tension only and triangular wave form. The strain rate of ramps were 40%/min.<BR>For a given total strain range, fatigue life of the truncated wave form is smaller than that of the triangular wave form. The difference between them obtained at 600°C is larger than obtained at 700°C. Well-defined intergranular facets covered with small dimples were observed for specimens tested under truncated wave form at 600°C, but not at 700°C. These results could be explained by phenomenom of recovery process at 700°C, because of which stress applied grain boundaries might have decreased under truncated wave form.<BR>Rising mean strain per cycle under truncated wave form was creep strain, however no clear effect of the rising mean strain on low-cycle fatigue life was observed. Summation of the creep strain corresponding to relaxation stress and rising mean strain per cycle were almost constant for a given total strain range. It is considered that this is a reason why no effect of rising mean strain on fatigue life was observed.
収録刊行物
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- 鉄と鋼
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鉄と鋼 65 (7), 923-931, 1979
一般社団法人 日本鉄鋼協会
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詳細情報 詳細情報について
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- CRID
- 1390001205154567168
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- NII論文ID
- 110001487976
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- NII書誌ID
- AN00151251
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- ISSN
- 18832954
- 00211575
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- NDL書誌ID
- 2054917
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- データソース種別
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- JaLC
- NDL
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