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Carbide evolution for a quenched and tempered Dievar steel
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Xie, Yixin, Si, Shanshan, Ju, Yulin, Luo, Rui, Zhou, Lei and Cheng, Xiaonong (2023) Carbide evolution for a quenched and tempered Dievar steel. Materials Science and Technology, 39 (7). pp. 815-827. doi:10.1080/02670836.2022.2142746 ISSN 1743-2847.
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WRAP-Carbide-evolution-quenched-tempered-Dievar-steel-22.pdf - Accepted Version - Requires a PDF viewer. Download (2038Kb) | Preview |
Official URL: https://doi.org/10.1080/02670836.2022.2142746
Abstract
Carbide precipitation, coarsening and hardness variations have been investigated for a quenched and tempered Dievar steel by SEM, TEM, STEM, HRTEM, XRD and Rockwell hardness testing. The carbide precipitation sequence has been ascertained as: M8C7 + bainitic/auto-tempered carbides → M8C7 + M2C + M7C3 → M8C7+ M7C3 +M23C6 → M8C7 + M7C3 + M23C6 + M6C. Boundary carbides coarsen obviously faster than matrix ones. Hardness variations originating from the carbide evolution have been qualified. A fine-dispersion of M2C carbides leads to a high hardness tempered at 550°C, whereas the hardness drops drastically for tempering at 600/650°C predominately due to the dissolution of unstable M2C and the coarsening of carbides.
Item Type: | Journal Article | |||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TN Mining engineering. Metallurgy |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
SWORD Depositor: | Library Publications Router | |||||||||
Library of Congress Subject Headings (LCSH): | Steel alloys, Carbides, Precipitation hardening, Steel -- Quenching, Tempering | |||||||||
Journal or Publication Title: | Materials Science and Technology | |||||||||
Publisher: | Informa UK Limited | |||||||||
ISSN: | 1743-2847 | |||||||||
Official Date: | 2023 | |||||||||
Dates: |
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Volume: | 39 | |||||||||
Number: | 7 | |||||||||
Page Range: | pp. 815-827 | |||||||||
DOI: | 10.1080/02670836.2022.2142746 | |||||||||
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 13/11/2022, available online: http://www.tandfonline.com/10.1080/02670836.2022.2142746 | |||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||
Date of first compliant deposit: | 4 January 2023 | |||||||||
Date of first compliant Open Access: | 13 November 2023 | |||||||||
RIOXX Funder/Project Grant: |
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