Moving singularity creep crack growth analysis with the (ΔT)c and C* integrals

R. B. Stonesifer, S. N. Atluri

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

The physical meaning of (ΔT)c and its applicability to creep crack growth are reviewed. Numerical evaluation of(ΔT)c and C* is discussed with results being given for compact specimen and strip geometries. A moving crack-tip singularity, creep crack growth simulation procedure is described and demonstrated. The results of several crack growth simulation analyses indicate that creep crack growth in 304 stainless steel occurs under essentially steady-state conditions. Based on this result, a simple methodology for predicting creep crack growth behavior is summarized.

Original languageEnglish
Pages (from-to)769-782
Number of pages14
JournalEngineering Fracture Mechanics
Volume16
Issue number6
DOIs
StatePublished - 1982

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