期刊
ACTA MATERIALIA
卷 60, 期 20, 页码 7265-7274出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2012.09.046
关键词
Carbon content; Crystallography; Electron backscattered diffraction; Fe-C alloy; Martensite
资金
- Stiftelsen Axel Hultgrens Fond
- KTH Royal Institute of Technology
- VINNOVA, the Swedish Governmental Agency for Innovation Systems, Swedish industry
- Grants-in-Aid for Scientific Research [23686098] Funding Source: KAKEN
The effect of carbon content on the variant pairing tendency of martensite formed in Fe-C alloys is investigated by means of electron backscattered diffraction analysis. The method used is based on experimentally determined orientation relationships between austenite and martensite. The results show that the carbon content has a strong effect on the martensite variant pairing tendency. This observed change in variant pairing tendency is discussed in relation to the well-known morphological transition from lath to plate martensite in Fe-C alloys and the formation of packets and plate groups. The results indicate that quantitative analysis of variant pairing, as demonstrated here, may facilitate martensite characterization in Fe-C alloys as well as in other alloy systems. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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