Fatigue and creep-fatigue tests at elevated temperature were conducted on two different-sized bellows, φ 1100 mm and φ 300 mm in nominal inner diameter, to investigate the fatigue life and the creep-fatigue interaction in a bellows, and also to provide test data for developing a life prediction method and design-by-analysis rules for bellows in elevated temperature service. A series of tests consisted of strain behavior and fatigue tests at room temperature, and fatigue and creep-fatigue tests at elevated temperature. Also, inelastic finite element analyses were performed on a bellows under internal pressure and cyclic axial deflections. Analytical results were compared with the measured data obtained in the room temperature testing to verify the strain prediction method.
Fatigue and Creep-Fatigue Testing of Bellows at Elevated Temperature
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Yamamoto, S., Isobe, K., Ohte, S., Tanaka, N., Ozaki, S., and Kimura, K. (August 1, 1988). "Fatigue and Creep-Fatigue Testing of Bellows at Elevated Temperature." ASME. J. Pressure Vessel Technol. August 1988; 110(3): 301–307. https://doi.org/10.1115/1.3265603
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