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High-resolution topochemical analysis and thermochemical simulations of oxides and nitrides at grain boundaries and within the grains of a low alloy Mn-Cr hot-rolled steel sheet
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Praig, Vera G., Stoger-Pollach, Michael, Schintlmeister, Arno, Auinger, Michael and Danninger, Herbert (2021) High-resolution topochemical analysis and thermochemical simulations of oxides and nitrides at grain boundaries and within the grains of a low alloy Mn-Cr hot-rolled steel sheet. Journal of Alloys and Compounds, 876 . 160069. doi:10.1016/j.jallcom.2021.160069
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WRAP-High-resolution-topochemical-analysis-thermochemical-simulations-oxides-sheet-steel-2021.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (11Mb) | Preview |
Official URL: https://doi.org/10.1016/j.jallcom.2021.160069
Abstract
The selective oxidation underneath the scale layer of an industrially hot rolled Fe-1.8Mn-0.8Cr steel at temperatures between 600-700∘C has been investigated. The spatial distribution and composition of formed precipitates has been studied by high-resolution topochemical analysis via TEM-EELS and NanoSIMS and revealed heterogeneities in chemical composition, especially along grain boundaries. It could be shown that grain boundary oxides are predominantly composed of aluminium, chromium or silicon oxides/nitrides, surrounded by manganese-rich oxides. Experimental results of phase stability have been compared to numerical simulations, considering the distribution of more than 40 potentially stable oxide-, nitride- and carbide phases and differences are critically discussed.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TS Manufactures |
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| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| SWORD Depositor: | Library Publications Router | ||||||||
| Library of Congress Subject Headings (LCSH): | Sheet-metal, Steel, Steel -- Oxygen content , Steel -- Nitrogen content , Steel -- Thermal properties | ||||||||
| Journal or Publication Title: | Journal of Alloys and Compounds | ||||||||
| Publisher: | Elsevier | ||||||||
| ISSN: | 09258388 | ||||||||
| Official Date: | 25 September 2021 | ||||||||
| Dates: |
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| Volume: | 876 | ||||||||
| Article Number: | 160069 | ||||||||
| DOI: | 10.1016/j.jallcom.2021.160069 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access | ||||||||
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