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Analysis of Stress Corrosion Crack Growth and Related Structural Reliability Considerations

D. LEE

Abstract


The pre-detection evolution of stress corrosion cracking has been examined as a necessary preliminary to effective detection of such cracks. Anodic dissolution and hydrogen embrittlement have been considered to calculate the SCC growth in AA7050-T6 for a surface-breaking crack with blunt tip in an aqueous environment. Since these processes are not completely deterministic, probabilistic methods have been considered to obtain reliability for diagnostics and prognostics.

doi: 10.12783/SHM2015/33


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