Low Cycle Fatigue Behavior and Microcracks Nucleation on Duplex Stainless Steels |
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| Journal | Key Engineering Materials (Volumes 378 - 379) |
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| Volume | Advances in Understanding the Fatigue Behavior of Materials |
| Edited by | Dr. T. S. Srivatsan, FASM, FASME |
| Pages | 17-28 |
| DOI | 10.4028/www.scientific.net/KEM.378-379.17 |
| Citation | I. Alvarez-Armas et al., 2008, Key Engineering Materials, 378-379, 17 |
| Online since | March, 2008 |
| Authors | I. Alvarez-Armas, Suzanne Degallaix |
| Keywords | Cyclic Behavior, Duplex Stainless Steel, Low Cycle Fatigue, Microstructure, Nitrogen Alloying |
| Abstract | The cyclic hardening–softening response, the cyclic stress–strain curve and the substructure evolution of a high nitrogen duplex stainless steel S32750 have been evaluated and the results compared with reference to low and medium nitrogen duplex stainless steels, S32205 and S32900 grades, respectively. The beneficial effects of nitrogen on the cyclic properties of most modern alloys have been analyzed in terms of the flow stress components, i.e. the internal and the effective stress. |
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