A brief review is given of the literature on damage accumulation during creep and inadequacies in our present understanding are pointed out. By drawing on recent studies of the processes involved in creep-rupture, it is suggested that a new criterion for creep-damage accumulation may be proposed, which is more general than existing approaches. This involves the consideration of both the initiation and propagation phases of fracture, and it is seen that in some cases, strengthening rather than weakening may result from prior loadings. Experimental results are cited in support of these observations.
A Study of Creep Damage Rules
M. M. Abo El Ata
San Francisco State College, San Francisco, Calif.
University of California, Berkeley, Calif.
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Abo El Ata, M. M., and Finnie, I. (September 1, 1972). "A Study of Creep Damage Rules." ASME. J. Basic Eng. September 1972; 94(3): 533–541. https://doi.org/10.1115/1.3425474
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