Studies on creep crack growth using the T*-integral

F. W. Brust, S. N. Atluri

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In this paper, the relevance of the parameters T*, C*, and TC in characterizing creep crack growth is examined. Experimental data on creep crack growth in a 316 stainless steel single-edge notch specimen is numerically simulated, and the variations of various parameters during crack growth are ascertained. The results, while not being totally conclusive, point to the potential of the new parameter T* in characterizing creep crack growth under nonsteady creep (not pure power law creep) as well as in situations wherein time-independent plastic strains in addition to creep strains, are significant.

Original languageEnglish
Pages (from-to)551-574
Number of pages24
JournalEngineering Fracture Mechanics
Issue number3
StatePublished - 1986


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