Stress Waveform Effect on Low-Cycle Fatigue Life for SUS316FR Round Notched Bar and the Life Prediction
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- HAMADA Naomi
- Dept. of Mech. Eng., Hiroshima Kokusai Gakuin Univ.
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- SAKANE Masao
- Dept. of Mech. Eng., Ritsumeikan Univ.
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- MOTOIE Katsuhiko
- Formerly, Dept. of Mech. Eng., Hiroshima Kokusai Gakuin Univ.
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- UMEDA Hiroshi
- Formerly, Dept. of Mech. Eng., Hiroshima Kokusai Gakuin Univ.
Bibliographic Information
- Other Title
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- SUS316FR鋼を用いた環状切欠き材の低サイクル疲労寿命に及ぼす応力波形の影響と簡易寿命推定
- SUS316FRコウ オ モチイタ カンジョウ キリカキ ザイ ノ テイサイクル ヒロウ ジュミョウ ニ オヨボス オウリョク ハケイ ノ エイキョウ ト カンイ ジュミョウ スイテイ
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Abstract
This paper studies the stress waveform effect on low cycle fatigue life for three kinds of notched specimens at elevated temperature. Low cycle fatigue tests were carried out using circumferential notched specimens of SUS316FR stainless steel using fast-fast, slow-fast and hold-time stress waveforms at 923K. Neuber’s rule recommended in ASME Code Case was applied to estimate failure and crack initiation lives. Failure lives were underestimated by Neuber’s rule in ASME Code Case NH. Crack initiation lives under the fast-fast, slow-fast and hold-time stress waveforms were correlated within a factor of 4 scatter band by using modified Neuber’s equation in which the exponent of Kt was changed from 2 to 1.2 in the combination with frequency modified fatigue life equation.
Journal
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- Journal of the Society of Materials Science, Japan
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Journal of the Society of Materials Science, Japan 63 (9), 647-654, 2014
The Society of Materials Science, Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390001205445398784
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- NII Article ID
- 130004691152
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- NII Book ID
- AN00096175
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- ISSN
- 18807488
- 05145163
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- NDL BIB ID
- 025813051
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed
