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RESEARCH PAPERS

Fatigue and Creep-Fatigue Testing of Bellows at Elevated Temperature

[+] Author and Article Information
S. Yamamoto, K. Isobe, S. Ohte

Mechanical Engineering Laboratory, Research and Development Center, Toshiba Corporation, Kawasaki, Japan

N. Tanaka, S. Ozaki

Nuclear Engineering Laboratory, Nuclear Energy Group, Toshiba Corporation, Kawasaki, Japan

K. Kimura

Advanced Reactor Engineering Department, Nuclear Energy Group, Toshiba Corporation, Kawasaki, Japan

J. Pressure Vessel Technol 110(3), 301-307 (Aug 01, 1988) (7 pages) doi:10.1115/1.3265603 History: Received April 19, 1988; Online November 05, 2009

Abstract

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.

Copyright © 1988 by ASME
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