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On the early stages...
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Shahabi Navid, Mehrdad,1986Volvo Cars
(författare)
On the early stages of localised atmospheric corrosion of magnesium–aluminium alloys
- Artikel/kapitelEngelska2020
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2020-12-01
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Springer Science and Business Media LLC,2020
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electronicrdacarrier
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LIBRIS-ID:oai:research.chalmers.se:7eb7ed9f-a825-4cdd-8fda-292d536ae278
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https://research.chalmers.se/publication/520877URI
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https://doi.org/10.1038/s41598-020-78030-wDOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
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The surface film on pure magnesium and two aluminium-containing magnesium alloys was characterised after 96 h at 95% RH and 22 °C. The concentration of CO2 was carefully controlled to be either 0 or 400 ppm. The exposed samples were investigated using X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction, and electron microscopy. The results showed that when the alloys were exposed to the CO2-containing environment, aluminium cations (Al3+) was incorporated into a layered surface film comprising a partially “hydrated” MgO layer followed by Mg(OH)2, and magnesium hydroxy carbonates. The results indicated that aluminium-containing magnesium alloys exhibited considerably less localised corrosion in humid air than pure magnesium. Localised corrosion in the materials under investigation was attributed to film thinning by a dissolution/precipitation mechanism.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Cao, Yu,1969Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)yucao
(författare)
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Svensson, Jan-Erik,1965Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jes
(författare)
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Allanore, A.Massachusetts Institute of Technology (MIT)
(författare)
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Birbilis, N.Australian National University
(författare)
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Johansson, Lars-Gunnar,1952Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)lg
(författare)
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Esmaily, Mohsen,1987Massachusetts Institute of Technology (MIT)(Swepub:cth)esmaily
(författare)
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Volvo CarsChalmers tekniska högskola
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Scientific Reports: Springer Science and Business Media LLC10:12045-23222045-2322
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