engleski

Crack initiation life at combined HCF/LCF loading

Explicit expression is derived for components subjected to HCF loading, enabling initiation life assessment on the basis of the designed French curve and the Goodman plot in the Smith diagram. For components under combined HCF/LCF loading, the formula for determining the crack initiation life is derived and the closed form expression for estimating the crack propagation threshold is obtained.

crack propagation threshold; initiation life; french curve; goodman plot

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