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A DAMAGE MODEL OF LIFE PREDICTION UNDER CREEP-FATIGUE INTERACTION

A DAMAGE MODEL OF LIFE PREDICTION UNDERCREEPFATIGUE INTERACTION
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摘要 Based on the fundamental definition of damage and inelastic strain energy hypothesis, this paper presents an inelastic strain energy damage model under creepfatigue interaction condition, with the damage constitutional equations and life prediction formulae respectively described by strain and stress. Creepfatigue tests with notchedbar specimens were carried out at 550. The actual creepfatigue lives are in good agreement to the predicted lives according to inelastic strain energy damage model.
出处 《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 1999年第1期31-35,共5页 金属学报(英文版)
关键词 DAMAGE mechanics INELASTIC strain energy creepfatigue INTERACTION LIFE PREDICTION damage mechanics, inelastic strain energy, creepfatigue interaction, life prediction
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