SEDL / STP / STP520-EB / STP38836S

Derivation of a Failure Law for Creep Under a Cyclic Stress

Williams, JA
Marchwood Engineering Laboratories, Southampton,

Pages: 8    Published: Jan 1973

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Abstract

The problem of creep fracture under an imposed cyclic stress is considered solely in terms of wedge crack growth. The derivation of a relationship similar to that suggested by Coffin for fatigue is illustrated, and this simple model is extended qualitatively to outline one form of a creep:fatigue interaction.