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Fatigue Damage Calculated by the Ratio-Method to Materials and Its Machine Part
2003
Chinese Journal of Aeronautics
Several new calculating equatio ns on the dam ag e-evolving r ate ar e sug gested for describing the elastic-plastic behavior of some materials under un-sy mmetric cy clic loading . A nd the estimating form ulas are giv en of the life relativ e to v aried damag e value D oi at each loading history . T he method is to adopt the r atio of plastic str ain range to elastic str ain range as t he stress-strain parameter, using the staple material constants as the material par amet er s in damage
doi:10.1016/s1000-9361(11)60177-5
fatcat:qnyhcosty5f5vbvxuwed2bjmiy