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dc.contributor.authorLi, Meng
dc.contributor.authorXie, De-Gang
dc.contributor.authorMa, Evan
dc.contributor.authorLi, Ju
dc.contributor.authorZhang, Xixiang
dc.contributor.authorShan, Zhi-Wei
dc.date.accessioned2017-02-28T12:11:05Z
dc.date.available2017-02-28T12:11:05Z
dc.date.issued2017-02-20
dc.identifier.citationLi M, Xie D-G, Ma E, Li J, Zhang X-X, et al. (2017) Effect of hydrogen on the integrity of aluminium–oxide interface at elevated temperatures. Nature Communications 8: 14564. Available: http://dx.doi.org/10.1038/ncomms14564.
dc.identifier.issn2041-1723
dc.identifier.doi10.1038/ncomms14564
dc.identifier.urihttp://hdl.handle.net/10754/622940
dc.description.abstractHydrogen can facilitate the detachment of protective oxide layer off metals and alloys. The degradation is usually exacerbated at elevated temperatures in many industrial applications; however, its origin remains poorly understood. Here by heating hydrogenated aluminium inside an environmental transmission electron microscope, we show that hydrogen exposure of just a few minutes can greatly degrade the high temperature integrity of metal–oxide interface. Moreover, there exists a critical temperature of ∼150 °C, above which the growth of cavities at the metal–oxide interface reverses to shrinkage, followed by the formation of a few giant cavities. Vacancy supersaturation, activation of a long-range diffusion pathway along the detached interface and the dissociation of hydrogen-vacancy complexes are critical factors affecting this behaviour. These results enrich the understanding of hydrogen-induced interfacial failure at elevated temperatures.
dc.description.sponsorshipM.L., D.-G.X. and Z.-W.S. acknowledge support from the National Natural Science Foundation of China (51231005 and 51621063) and the International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies. J.L. acknowledges support by NSF DMR-1120901 and DMR-1410636. E.M. acknowledges support from US DoE-BES-DMSE under Contract No. DE-FG02-09ER46056. M.L. acknowledges the support from King Abdullah University of Science and Technology (KAUST) during her stay at KAUST as an exchange student. X.-X.Z. acknowledges the support from King Abdullah University of Science and Technology.
dc.publisherSpringer Nature
dc.relation.urlhttp://www.nature.com/articles/ncomms14564
dc.rightsThis work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.titleEffect of hydrogen on the integrity of aluminium–oxide interface at elevated temperatures
dc.typeArticle
dc.contributor.departmentMaterial Science and Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journalNature Communications
dc.eprint.versionPublisher's Version/PDF
dc.contributor.institutionCenter for Advancing Materials Performance from the Nanoscale (CAMP-Nano), State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
dc.contributor.institutionDepartment of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA
dc.contributor.institutionDepartment of Nuclear Science and Engineering and Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
kaust.personZhang, Xixiang
refterms.dateFOA2018-06-13T16:17:57Z
dc.date.published-online2017-02-20
dc.date.published-print2017-04


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This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Except where otherwise noted, this item's license is described as This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/