Linear-elastic fracture mechanics method for fatigue life
estimation is more appropriate for which stage(s) of fatigue?
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Mechanical Engineering
Linear-elastic fracture mechanics method for fatigue lifeestimation is more appropriate for which stage(s) of fatigue?
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Usually fatigue is divided into three stages initiation propagation and final rupture To make life estimations for fatigue crack growth and damage tolerant design the following information are often needed The stress intensity factor K The fracture toughness Kc The applicable fatigue crack growth rate expression The initial crack size ai ao The final or critical crack size af ac Linearelastic fracture mechanics method for fatigue life estimation is more appropriate for propagation stage of fatigue And also fatigue
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