A novel fatigue life prediction methodology based on energy dissipation in viscoelastic materials

• Published in: International journal of fatigue Vol. 152; p. 106457
• Main Authors: Movahedi-Rad, A. Vahid, Eslami, Ghazaleh, Keller, Thomas
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.11.2021; Elsevier BV
• Subjects: Constant life diagram (CLD); Creep; Creep (materials); Cyclic-creep interaction; Dissipated energy; Energy dissipation; Fatigue; Fatigue life; Fiber composites; Fiber reinforced plastics; Fiber reinforced polymers; Life prediction; Materials fatigue; Model accuracy; Polymer matrix composites; Viscoelastic materials; Viscoelasticity; Viscoelasticity; Life prediction; Creep; Dissipated energy; Cyclic-creep interaction; Constant life diagram (CLD); Fatigue

•A new fatigue life prediction methodologyissuggested for viscoelastic materials.•A new definition of cyclic-creep interactionduring fatigue loadingisproposed.•A derived modelisbased on the total amount of energy dissipated during fatigue.•The model predictswellthe fatigue life at different stress r...