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

R. B. Stonesifer; S. N. Atluri

doi:10.1016/0013-7944(82)90002-9

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

R. B. Stonesifer, S. N. Atluri

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

21 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 language	English
Pages (from-to)	769-782
Number of pages	14
Journal	Engineering Fracture Mechanics
Volume	16
Issue number	6
DOIs	https://doi.org/10.1016/0013-7944(82)90002-9
State	Published - 1982

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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.",

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AB - 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.

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

Abstract

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