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- Title
Correlation Between Crystal Structure Change and Transformation Strain for Multiphase Transformations.
- Authors
Clarke, Kester; Tyne, Chester; Lee, Seok-Jae
- Abstract
Transformation strains measured via dilatometry and phase fractions measured by optical metallography were used to develop a two-stage, conversional model to accurately determine phase fraction directly and continuously from measured dilation strains for multiphase transformations. The multiphase ferrite + pearlite to austenite transformation was analyzed here, but the two-stage conversional model developed may also be applied to other multiphase transformations. It was found that the lever rule provides accurate results for single-phase to single-phase transformations; the use of a conversional model is not necessary in this case.
- Subjects
STEEL research; PHASE transitions; CRYSTAL structure; FERRITES; PERLITE; AUSTENITE; DILATOMETRY
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2016, Vol 68, Issue 1, p198
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-015-1670-7