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Grain growth on reheating for an as-cast Al-Nb-containing steel with segregated composition
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Wang, Fei, Davis, Claire and Strangwood, Martin (2019) Grain growth on reheating for an as-cast Al-Nb-containing steel with segregated composition. Materials Science and Technology, 35 (5). pp. 615-627. doi:10.1080/02670836.2019.1577533 ISSN 0267-0836.
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WRAP-grain-growth-reheating-as-cast-steel-Davis-2019 (2).pdf - Accepted Version - Requires a PDF viewer. Download (2273Kb) | Preview |
Official URL: http://dx.doi.org/10.1080/02670836.2019.1577533
Abstract
Reheating treatments for as-cast Al-Nb-containing steel were examined at temperatures correlating to the predicted dissolution temperatures of the precipitates present in the interdendritic and dendritic regions. Bimodal grain growth was observed in this steel when reheated in the range 1160–1200°C as Nb-rich particles remaining in the interdendritic region prevented further growth of grains originating from the dendritic region when the pinning precipitates of AlN dissolved. The isolated abnormally large grain structure seen for the homogenised condition from previous work was not observed in the as-cast Al-Nb steel under any conditions. It is suggested that elemental segregation (particularly for Nb) plays a role in providing a spatially distributed (banded) pinning effect on the large grains growing from the dendritic regions.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TN Mining engineering. Metallurgy | ||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Library of Congress Subject Headings (LCSH): | Steel, Metallurgy | ||||||||
| Journal or Publication Title: | Materials Science and Technology | ||||||||
| Publisher: | Maney Publishing | ||||||||
| ISSN: | 0267-0836 | ||||||||
| Official Date: | 2019 | ||||||||
| Dates: |
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| Volume: | 35 | ||||||||
| Number: | 5 | ||||||||
| Page Range: | pp. 615-627 | ||||||||
| DOI: | 10.1080/02670836.2019.1577533 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Reuse Statement (publisher, data, author rights): | “This is an Accepted Manuscript of an article published by Taylor & Francis in Materials Science and Technology on 13/02/2019, available online: http://www.tandfonline.com/10.1080/02670836.2019.1577533 | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Date of first compliant deposit: | 11 April 2019 | ||||||||
| Date of first compliant Open Access: | 11 April 2019 | ||||||||
| RIOXX Funder/Project Grant: |
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