SYMPOSIA PAPER Published: 01 January 1993

Multiaxial Low-Cycle Fatigue Evaluations of Pressure Vessel Components


In this paper analytical methods to evaluate multiaxial low-cycle fatigue lives for pressure vessel components have been appraised and the sources of conservatism highlighted. For this purpose, a sample design problem involving a pressure vessel component fabricated from a coded structural alloy subjected to a specified set of loading conditions has been evaluated for fatigue. The local strain approach has been used as a basis for assessing two methods of fatigue evaluation in the low-cycle fatigue regime: (1) the ASME Code, and (2) the Japanese MITI Code. A possible extension of the code procedures to include hydrostatic effects has been recommended.

Author Information

Chattopadhyay, S
The University of Vermont, Burlington, VT
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Developed by Committee: E08
Pages: 412–428
DOI: 10.1520/STP24815S
ISBN-EB: 978-0-8031-5243-4
ISBN-13: 978-0-8031-1862-1