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A model and experimental validation to predict heating rates for overlap between ferrite recrystallization and austenite transformation in dual phase steel manufacture
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Bandi, Bharath, van Krevel, Joost, Aslam, Numan and Srirangam, Prakash (2019) A model and experimental validation to predict heating rates for overlap between ferrite recrystallization and austenite transformation in dual phase steel manufacture. JOM . doi:10.1007/s11837-019-03358-2 (In Press)
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WRAP-model-experimental Validation-predict-heating-rates-Srirangam-2019.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (2144Kb) | Preview |
Official URL: http://dx.doi.org/10.1007/s11837-019-03358-2
Abstract
A systematic theoretical and experimental study has been conducted to predict the heating rates required to obtain a pre-defined percentage of overlap between the ferrite recrystallization process and the austenite formation process in dual phase steel manufacture. Isothermal recrystallization kinetics for three different cold-reduced low-carbon micro-alloyed steels (50%, 60%, and 75%) with ferrite-pearlite-bainite initial microstructures was evaluated. Using various experimentally determined rate kinetic constants and critical temperatures, a continuous heating rate model which predicts the heating rate required for a predefined amount of overlap was successfully developed. The model predicted the heating rates required for a predefined 1%, 15%, 34%, 67%, 88% and 99% of overlap to be 0.2°C/s, 0.9°C/s, 1.8°C/s, 7°C/s, 50.5°C/s and 511°C/s, respectively. The experimentally determined recrystallization percentage values validated the predicted heating rates.
| Item Type: | Journal Article | ||||||
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| Subjects: | T Technology > TN Mining engineering. Metallurgy T Technology > TS Manufactures |
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| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||
| Library of Congress Subject Headings (LCSH): | Steel, Ferrite, Austenite | ||||||
| Journal or Publication Title: | JOM | ||||||
| Publisher: | Springer New York LLC | ||||||
| ISSN: | 1047-4838 | ||||||
| Official Date: | 6 February 2019 | ||||||
| Dates: |
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| Date of first compliant deposit: | 1 March 2019 | ||||||
| DOI: | 10.1007/s11837-019-03358-2 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | In Press | ||||||
| Access rights to Published version: | Open Access |
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