Journal
SCRIPTA MATERIALIA
Volume 66, Issue 3-4, Pages 139-142Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.10.018
Keywords
Steels; Multilayers; Elastic behavior; Plastic deformation; Neutron diffraction
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Funding
- Grants-in-Aid for Scientific Research [22760533] Funding Source: KAKEN
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Stress partitioning in multilayered steels consisting of martensitic and austenitic layers was measured during tensile deformation by in situ neutron diffraction measurements to investigate the mechanism of the improved strength elongation balance. The deformation mode can be classified into three stages, and the results indicate that the applied stress is effectively transferred to the martensitic phase, because no stress concentration sites exist, owing to the multilayered structure. Hence, even as-quenched martensite deformed uniformly, resulting in improved strength elongation balance in multilayered steels. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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