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Failure stress

Question asked by Sivateja Kasireddy on Apr 11, 2017
Latest reply on Apr 12, 2017 by Richard King

while calculating S-N curve we consider max and minimum stress. may I know what is the maximum stress ? and among s,y and Z dirextions which direction stress do i need to consider?


can I use von mises stress as my max stress in calculating fatigue life ?