Application of the Similarity Method to Damage Cumulation and Fatigue Crack Growth Studies
作者： L. R. Botvina , G. I. Barenblatt
DOI: 10.1007/978-94-011-7520-3_7
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摘要: Various approaches were used in the studies of fatigue phenomenon and, particular, crack growth. So, some special models proposed and on their basis one way or another kinetic diagrams evaluated (see excellent recent review [1]) — growth rates as functions stress intensity factor amplitude. The empirical formulae are also widely spread, particular well-known Paris formula [2]: $$d\ell /dN=C{{\left( \Delta K \right)}^{m}}$$ (1) (here l is length, N number cycles, C m constants).
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