Search: id:"swepub:oai:research.chalmers.se:1bae5455-b84e-4291-a8b7-2a18d1746ada" >
Oxidation behavior ...
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Ingemarsson, Linda,1972Chalmers tekniska högskola,Chalmers University of Technology
(author)
Oxidation behavior of a Mo (Si, Al)(2)-based composite at 300-1000 degrees C
- Article/chapterEnglish2010
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LIBRIS-ID:oai:research.chalmers.se:1bae5455-b84e-4291-a8b7-2a18d1746ada
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https://research.chalmers.se/publication/121242URI
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https://doi.org/10.1016/j.intermet.2009.10.019DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:du-10493URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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The oxidation behavior of a Mo (Si,Al)(2)-based composite of Mo(Si,Al)(2), Al2O3 and Mo-5(Si,Al)(3) (Kanthal Super ER) in synthetic air was investigated. The samples were oxidized isothermally for up to 72 h at 300-1000 degrees C using a thermobalance. The microstructure was analyzed by X-ray diffraction (XRD), Scanning Electron Microscopy (SEM) and Auger Electron Spectroscopy (AES) depth profiling. Broad ion beam milling (BIB) was used to prepare cross-sections. Oxidation behavior depended strongly on the composition of the substrate which consisted of a Mo(Si,Al)(2) matrix and the minority phases Mo-5(Si,Al)(3) and Al2O3. At 300-500 degrees C the mass gains were small with parabolic kinetics, oxidation resulting in a mixture of oxides that reflects the substrate composition. At 600 and 700 degrees C the oxide scale is thin and protective and depleted in molybdenum, a mass loss occurring due to MoO3 vaporization. At 1000 degrees C a protective alpha-alumina scale forms.
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Halvarsson, Mats,1965Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)f10mh
(author)
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Engkvist, Josefin,1972Högskolan Dalarna,Materialvetenskap(Swepub:du)joh
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Jonsson, Torbjörn,1970Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)tj
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Hellström, Kristina M,1971Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)krh
(author)
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Johansson, Lars-Gunnar,1952Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)lg
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Svensson, Jan-Erik,1965Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jes
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Chalmers tekniska högskolaMaterialvetenskap
(creator_code:org_t)
Related titles
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In:Intermetallics: Elsevier BV18:4, s. 633-6400966-97951879-0216
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