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Correlative analysis of interaction between recrystallization and precipitation during sub-critical annealing of cold-rolled low-carbon V and Ti-V bearing microalloyed steels
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Kapoor, Ishwar, Lan, Yongjun, Rijkenberg, Arjan, West, Geoffrey D., Li, Zushu and Janik, Vit (2020) Correlative analysis of interaction between recrystallization and precipitation during sub-critical annealing of cold-rolled low-carbon V and Ti-V bearing microalloyed steels. Materials Science and Engineering: A, 785 . 139381. doi:10.1016/j.msea.2020.139381
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Official URL: https://doi.org/10.1016/j.msea.2020.139381
Abstract
In this paper a new insight into fundamentals of static recrystallization, precipitation and their interaction during sub-critical annealing of three cold-rolled low-carbon microalloyed steel grades is presented. The grades under investigation are a base grade containing V as a microalloying element, a Ti+ grade containing Ti as microalloying element added into the base grade, and a Ti+Mn+ grade containing additional Mn added into the Ti+ grade. The cold-rolled steels are sub-critically annealed inside a muffle furnace to simulate industrial continuous annealing parameters in order to investigate the interaction between recrystallization and precipitation across transient stages of the annealing process as a function of temperature and time. The Zener pinning of precipitates and solute drag force of Mn on the recrystallization process are calculated and compared with measured values obtained from experimental studies on the recrystallization kinetics. Results suggest that the recrystallization kinetics is fastest in the base grade. For the Ti+ grade, fine (< 15 nm) (Ti,V)(C/N) particles retard the recrystallization kinetics. For the Ti+ and Ti+Mn+ grades, solute drag effect of Mn solute atoms for dwell time longer than 2 min at annealing temperature of 800 oC is negligible.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QD Chemistry 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): | Recrystallization (Metallurgy), Microalloying, Annealing of metals, Precipitation (Chemistry) | |||||||||
| Journal or Publication Title: | Materials Science and Engineering: A | |||||||||
| Publisher: | Elsevier S.A. | |||||||||
| ISSN: | 0921-5093 | |||||||||
| Official Date: | 21 May 2020 | |||||||||
| Dates: |
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| Date of first compliant deposit: | 17 April 2020 | |||||||||
| Volume: | 785 | |||||||||
| Article Number: | 139381 | |||||||||
| DOI: | 10.1016/j.msea.2020.139381 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| Grant number: | EP/N011368/1 | |||||||||
| RIOXX Funder/Project Grant: |
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