Estimation of residual stresses in SiC/Ti 15-3 composites and their relaxation during a fatigue test. Part I: Presentation of the models |
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| Institution: | 3. From the Department of Biomolecular Sciences and;5. Israel National Centre for Personalized Medicine, Weizmann Institute of Science, Rehovoth 7610001, Israel,;8. the School of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel,;4. the Department of Physiology, School of Medicine, UCLA and Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California 90073,;6. the Department of Biological Chemistry, University of Michigan Medical Center, Ann Arbor, Michigan 48109,;12. the Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611;1. Institute of Continuous Media Mechanics, Korolyov 1, Perm 614013, Russia;2. Perm National Research Polytechnic University, Komsomolskii av. 29, 614990 Perm, Russia;3. Perm State Medical University named after E.A. Wagner, 26 Petropavlovskaya str., Perm 614990, Russia |
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| Abstract: | Different models for the calculation of residual stresses induced by cooling down from elaboration process in SiC/Ti-15-3 composite were presented. First of all, an analytical model (derived from those of Eshelby and of Mikata and Taya) already used for ceramic matrix composites is explained. It is a suitable method for elementary composites but we present an extension of this model to real (1D) composites. Then, we also briefly present the finite model using MARC anc MENTAT softwares. Finaly, an analytical model to predict the evolution of TRS during a fatigue test is detailed. The part II of the paper will present the results obtained using all these differents models. |
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