FATIGUE CRACK TIP MECHANICS OF A POWDER METALLURGY ALUMINUM ALLOY IN VACUUM AND HUMID AIR

作者: D. L. Davidson , J. Lankford

DOI: 10.1111/J.1460-2695.1984.TB00357.X

关键词:

摘要: — Fatigue crack tip opening displacements and strains in the material very close to have been determined from measured for cracks grown both vacuum humid air environments. The environment alters relations between displacement strain, effect of cyclic stress intensity on these factors. Results dynamic observation intermittent growth are correlated with fractographic evidence. relationships parameters used a previously developed mathematical model. wet fatigue is found be reduction plasticity.

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