variable amplitude fatigue crack growth modelling - Universidade de ...
variable amplitude fatigue crack growth modelling - Universidade de ...
variable amplitude fatigue crack growth modelling - Universidade de ...
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INTRODUCTIONOverloads are known to retard <strong>crack</strong> <strong>growth</strong>, while un<strong>de</strong>rloads generallyaccelerate <strong>crack</strong> <strong>growth</strong> relatively to the baseline <strong>crack</strong> <strong>growth</strong> rate;The overloads and un<strong>de</strong>rloads, which are highly <strong>de</strong>pen<strong>de</strong>nt upon theloading sequence, make the prediction of <strong>fatigue</strong> life un<strong>de</strong>r <strong>variable</strong><strong>amplitu<strong>de</strong></strong> loading more complex than un<strong>de</strong>r constant <strong>amplitu<strong>de</strong></strong> loading;Many mo<strong>de</strong>ls have been <strong>de</strong>veloped to predict the <strong>fatigue</strong> life ofcomponents un<strong>de</strong>r <strong>variable</strong> <strong>amplitu<strong>de</strong></strong> loading, namely by Wheeler,Willemborg , Elber and Newman .
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