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DC Field | Value | Language |
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dc.contributor.author | Li, T | - |
dc.contributor.author | Davies, JMT | - |
dc.contributor.author | Zhu, X | - |
dc.date.accessioned | 2021-07-29T20:27:51Z | - |
dc.date.available | 2021-07-29T20:27:51Z | - |
dc.date.issued | 2021-08-05 | - |
dc.identifier.citation | Li, T., Davies, J.M.T. and Zhu, X. (2021) 'Revealing the structure and evolution of entrained oxide film in Mg–Y alloy castings', Journal of Materials Science, 56, pp. 16671 - 16685. doi: 10.1007/s10853-021-06333-y. | - |
dc.identifier.issn | 0022-2461 | - |
dc.identifier.uri | https://bura.brunel.ac.uk/handle/2438/23032 | - |
dc.description.abstract | Copyright © The Author(s) 2021. The structure and evolution of oxide film in Mg alloys have been a research objective for a long time but are still unclear up to now. In the present work, the structure of the entrained oxide film (which is also known as bifilm) in Mg–Y alloy castings protected by SF6/air cover gas was characterized. It was found that the entrained oxide film can be divided into two typical types: (1) single-layered F-rich films and (2) double-layered films with a F-rich inner layer and a F-poor outer layer. Based on the experimental phenomena and thermodynamic calculation, the evolution mechanism of the oxide film was also revealed. It was found that F element from the cover gas reacted with the melt firstly to form the initial F-rich single-layered film. Then, O and S were also involved in the reaction, transforming the initial film to be a (F, O, S)-rich single-layered film. Finally, when the F element was depleted, the newly formed layer on the existing oxide film is characteristically F-poor but (O, S)-enriched, leading to a double-layered oxide film. It was also found that the oxide film grew faster in SF6/air cover gas than in SF6/CO2 cover gas, resulting in a higher repeatability of mechanical properties of Mg–Y alloy castings. | - |
dc.description.sponsorship | EPSRC LiME grant EP/H026177/1. | en_US |
dc.format.extent | 16671 - 16685 (15) | - |
dc.format.medium | Print-Electronic | - |
dc.language | English | - |
dc.language.iso | en | en_US |
dc.publisher | Springer Nature | en_US |
dc.rights | Copyright © The Author(s) 2021. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit https://creativecommons.org/licenses/by/4.0/. | - |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | - |
dc.subject | oxide film | en_US |
dc.subject | Mg alloy | en_US |
dc.subject | structure | en_US |
dc.subject | evolution | en_US |
dc.subject | mechanical properties | en_US |
dc.title | Revealing the structure and evolution of entrained oxide film in Mg–Y alloy castings | en_US |
dc.type | Article | en_US |
dc.identifier.doi | https://doi.org/10.1007/s10853-021-06333-y | - |
dc.relation.isPartOf | Journal of Materials Science | - |
pubs.publication-status | Published | - |
pubs.volume | 56 | - |
dc.identifier.eissn | 1573-4803 | - |
Appears in Collections: | Dept of Mechanical and Aerospace Engineering Research Papers |
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