Cyclic plasticity modeling and multiaxial fatigue assessment for an austenitic steel
| Autor: | Jie Fang |
|---|---|
| EAN: | 9783831671502 |
| eBook Format: | |
| Sprache: | Englisch |
| Produktart: | eBook |
| Veröffentlichungsdatum: | 24.07.2015 |
| Kategorie: | |
| Schlagworte: | austenitic steel constitutive modeling low cycle fatigue multiaxial fatigue model nonproportional loading notched fatigue |
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The present work aims at engineers and scientists in the field of computational mechanics of materials. The objective of this work is to develop a suitable constitutive law and apply it to study effects of cyclic loading and geometry on the fatigue assessment. Firstly, a systematical investigation on the mechanic behaviors of an austenitic stainless steel is carried out. Different multiaxial fatigue life prediction models are studied to assess fatigue damage. The Karim-Ohno kinematic hardening model is extended to incorporate more complex mechanical behaviors. The proposed constitutive model is implemented into FEM code ABAQUS. Finally a computational fatigue analysis methodology is proposed for performing life prediction of notched components based on elastic-plastic computation.
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