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Both the fatigue limit and the fatigue life of a structural member are highly dependent upon its surface condition and on the microcrack growth rate. A model based on linear elastic fracture mechanics has been developed which involves both parameters and predicts with good accuracy the available experimental results. The factors that must be modified in order to improve the fatigue behaviour of cold drawn eutectoid steel wires are indicated.
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LLorca et al. (1989) studied this question.
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