The accurate evaluation scheme for creep-fatigue strength is one of the continuing main issues for elevated temperature design; particularly, the three-dimensional structure having stress concentration is becoming more important. The present paper investigates fatigue strength and creep-fatigue strength of perforated plate having stress concentration as an example. The specimens are made of type 304 SUS stainless steel, and the temperature is kept to . The whole cycles of the experiment record are analyzed, and the characteristics of the structure having stress concentration are discussed. The present paper employs stress redistribution locus (abbreviated as SRL) in evaluation plastic behavior in cyclic fatigue process as well as stress relaxation in creep process, and the feasibility is discussed in conjunction with the comparison to experimental results.
Creep-Fatigue Life Evaluation Method for Perforated Plates at Elevated Temperature
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Watanabe, O., and Koike, T. (October 15, 2005). "Creep-Fatigue Life Evaluation Method for Perforated Plates at Elevated Temperature." ASME. J. Pressure Vessel Technol. February 2006; 128(1): 17–24. https://doi.org/10.1115/1.2137766
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