Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 628, Issue -, Pages 410-418Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2015.01.043
Keywords
Twinning Induced Plasticity; High cycle fatigue; Fracture mechanisms; Deformation mechanisms
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Funding
- Spanish Ministry of Economy [MAT09-14461, MAT12-34602]
- Direccio General de Recerca del Comissionat per a Universitats i Recerca de la Generalitat de Catalunya [2014SGR130, 2014SGR1416]
- Juan de la Cierva programme [JCI-2012-14454]
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Twinning Induced Plasticity steels exhibit a high strain hardening rate which translates into a remarkable combination of ductility and strength. A thorough experimental approach was performed by advanced characterization techniques to study the deformation mechanisms developed under high cycle fatigue conditions. Results clearly lay out that the cumulative strain damage leads to strengthening but also induces micro-cracks at the intersection of twin boundaries which promote fracture. (C) 2015 Elsevier B.V. All rights reserved.
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