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Investigation of Fatigue Strength of Metals under Actual Service Loads : With Two Superimposed Cyclic Loadings
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Description
The fatigue tests on 0.23%C steel were carried out with two superimposed cyclic Ioadings with different repeating speeds, in the case when the repeating speed of the secondary stress, the fast stress wave σa2, was 2000c/min, and the primary speed, the slow one σa1, was 50 or 420c/min. The ratios of those stress amplitudes σa2/(σa1+σa2) were selected in the range from 0.75 to 0.27. Those complex stress patterns were analyzed by the peak pair count method, and the fatigue lives and endurance limits were calulated with the formula ; the method and the formula were proposed by the authors. The calculated values agreed well with the experimental results, even in the case where the primary stress amplitude was larger than the secondary one. It was also clarified that the peak pair count method is more widely applicable to those stress patterns than other count methods.
Journal
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- Bulletin of JSME
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Bulletin of JSME 10 (38), 245-252, 1967
The Japan Society of Mechanical Engineers
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Keywords
Details 詳細情報について
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- CRID
- 1390001206491092608
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- NII Article ID
- 110002361084
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- NII Book ID
- AA0058509X
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- ISSN
- 18811426
- 00213764
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- Text Lang
- en
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed