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Grain growth behaviour on reheating Al-Nb containing steel in the homogenised condition
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Wang, Fei, Davis, Claire and Strangwood, Martin (2018) Grain growth behaviour on reheating Al-Nb containing steel in the homogenised condition. Materials Science and Technology, 34 (5). pp. 587-595. doi:10.1080/02670836.2017.1410931 ISSN 0267-0836.
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Official URL: https://doi.org/10.1080/02670836.2017.1410931
Abstract
Grain size development during reheating is important to the mechanical properties of steels, and non-uniform grain growth including abnormal and bimodal grain growth is undesirable for steel manufacturing. In this paper, reheating treatments for Al-Nb containing steel (0.057 wt% Al and 0.019 wt% Nb) were selected based on Thermo-Calc predictions for the dissolution temperatures of precipitates in the steel for a fully homogenised condition. Abnormal grain growth occurred in the homogenised Al-Nb sample during reheating, associated with random dissolution of the grain boundary pinning AlN precipitates; whilst bimodal grain growth was not observed. So material in a homogenised condition would not be expected to provide an fully uniform grain structure during reheating treatment.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QD Chemistry | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Library of Congress Subject Headings (LCSH): | Steel alloys -- Metallurgy., Steel -- Metallurgy., Crystal growth., Grain boundaries. | ||||||||
Journal or Publication Title: | Materials Science and Technology | ||||||||
Publisher: | Taylor & Francis | ||||||||
ISSN: | 0267-0836 | ||||||||
Official Date: | 2018 | ||||||||
Dates: |
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Volume: | 34 | ||||||||
Number: | 5 | ||||||||
Page Range: | pp. 587-595 | ||||||||
DOI: | 10.1080/02670836.2017.1410931 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 6 November 2017 | ||||||||
Date of first compliant Open Access: | 28 February 2018 |
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