Simplified Inelastic Analysis Methods for Bounding Fatigue and Creep Rupture Damage

[+] Author and Article Information
W. J. O’Donnell, J. S. Porowski, M. Badlani

O’Donnell & Associates, Inc., Pittsburgh, Pa. 15236

J. Pressure Vessel Technol 102(4), 394-399 (Nov 01, 1980) (6 pages) doi:10.1115/1.3263350 History: Received March 17, 1980; Online November 05, 2009


Bounds on inelastic strain ranges and maximum residual stresses introduced by transient operating conditions are obtained. These strain ranges and maximum residual stresses can be used to determine fatigue damage and creep rupture damage. Methods for integrating creep rupture damage during relaxation of surface stresses are also included. The solutions are based on uniaxial models.

Copyright © 1980 by ASME
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