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변형률 에너지법을 이용한 Inconel 617의 저주기피로 수명 예측
김덕회(Duck-Hoi Kim),김기광(Ki-Gwang Kim),김재훈(Jae-Hoon Kim),이영신(Young-Shin Lee),박원식(Won-Sik Park) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.11
Low cycle fatigue tests are performed on the Inconel 617 that be used for a hot gas casing. The relation between strain energy density and numbers of cycles to failure is examined in order to predict the low cycle fatigue life of Inconel 617. The life predicted by the strain energy method is found to coincide with experimental data and results obtained from the Coffin-Manson method. Also the cyclic behavior of Inconel 617 is characterized by cyclic hardening with increasing number of cycle at room temperature.