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Direct observation via in situ heated stage EBSD analysis of recrystallization of phosphorous deoxidised copper in unstrained and strained conditions
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Taylor, Scott, Masters, Iain, Li, Zushu and Kotadia, Hiren (2020) Direct observation via in situ heated stage EBSD analysis of recrystallization of phosphorous deoxidised copper in unstrained and strained conditions. Metals and Materials International, 26 . pp. 1030-1035. doi:10.1007/s12540-019-00493-y ISSN 1598-9623.
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Official URL: https://doi.org/10.1007/s12540-019-00493-y
Abstract
Recrystallization of phosphorous deoxidised copper used for strength critical applications at elevated temperatures was investigated by means of in situ heated stage EBSD analysis using a Gatan Murano heated stage mounted within a Carl Zeiss Sigma FEGSEM electron microscope. The influence of applied strain as the result of deformation within a Nakajima test as an analogue for industrial forming on the recrystallization temperature was investigated, the impact of increased heating rates on microstructural evolution was also investigated. Inverse pole figure plots combined with regions of reduction in local misorientations and variations in geometrically necessary dislocations were used to establish the point of recrystallization and the recrystallized fraction of the material. Recrystallization was observed to occur at temperatures as low as 130 °C in highly strained samples compared to around 300 °C within the annealed samples dependent upon heating rate. Increased heating rates were observed to produce a finer final grain structure but had little effect on presence of <111> 60° grain twins, which was influenced more by initial material condition.
Item Type: | Journal Article | ||||||||||||
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Subjects: | Q Science > QC Physics Q Science > QD Chemistry T Technology > TN Mining engineering. Metallurgy |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||||||
Library of Congress Subject Headings (LCSH): | Copper -- —Deoxidizing, Twinning (Crystallography), Electrons -- Backscattering, Recrystallization (Metallurgy) | ||||||||||||
Journal or Publication Title: | Metals and Materials International | ||||||||||||
Publisher: | Springer | ||||||||||||
ISSN: | 1598-9623 | ||||||||||||
Official Date: | July 2020 | ||||||||||||
Dates: |
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Volume: | 26 | ||||||||||||
Page Range: | pp. 1030-1035 | ||||||||||||
DOI: | 10.1007/s12540-019-00493-y | ||||||||||||
Status: | Peer Reviewed | ||||||||||||
Publication Status: | Published | ||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||
Date of first compliant deposit: | 6 January 2020 | ||||||||||||
Date of first compliant Open Access: | 10 January 2020 | ||||||||||||
RIOXX Funder/Project Grant: |
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