A Method of Modeling the Interaction of Creep and High-Cycle Fatigue

The interaction of creep and fatigue in structural materials under high-cycle loading is modeled using isochronic limit stress diagrams. The hypothesis of a unified limit diagram invariant to the time to failure is used. The unified diagram is given by a cosine power function with the exponent descr...

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Bibliographic Details
Published in:International applied mechanics 2005-01, Vol.41 (1), p.14-23
Main Authors: Golub, V. P., Krizhanovskii, V. I., Pogrebnyak, A. D., Romanov, A. V.
Format: Article
Language:English
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Summary:The interaction of creep and fatigue in structural materials under high-cycle loading is modeled using isochronic limit stress diagrams. The hypothesis of a unified limit diagram invariant to the time to failure is used. The unified diagram is given by a cosine power function with the exponent describing creep-fatigue interaction and encompasses convex, concave, and S-like curves. The models build are tested for aluminum alloys, heat-resistant steels, creep-resistant steels and alloys, and laminates
ISSN:1063-7095
1573-8582
DOI:10.1007/s10778-005-0053-0