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Oxidation behaviour...
Oxidation behaviour of V2AlC MAX phase coatings
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- Azina, Clio (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Rhein Westfal TH Aachen, Germany
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- Mraz, Stanislav (författare)
- Rhein Westfal TH Aachen, Mat Chem, Kope 10, D-52074 Aachen, Germany.
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- Greczynski, Grzegorz (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Hans, Marcus (författare)
- Rhein Westfal TH Aachen, Mat Chem, Kope 10, D-52074 Aachen, Germany.
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- Primetzhofer, Daniel (författare)
- Uppsala universitet,Tillämpad kärnfysik,Uppsala Univ, Sweden
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- Schneider, Jochen M. (författare)
- Rhein Westfal TH Aachen, Mat Chem, Kope 10, D-52074 Aachen, Germany.
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- Eklund, Per (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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(creator_code:org_t)
- ELSEVIER SCI LTD, 2020
- 2020
- Engelska.
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Ingår i: Journal of the European Ceramic Society. - : ELSEVIER SCI LTD. - 0955-2219 .- 1873-619X. ; 40:13, s. 4436-4444
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We report on the oxidation behaviour of V2AlC coatings up to 800 degrees C, in air. The coatings were deposited at 580 degrees C using magnetron sputtering from a powder metallurgical composite V2AlC target and were subsequently oxidised for 5, 15 and 30 min. The microstructural evolution of the samples was investigated, and X-ray diffraction patterns were collected to track the formation of oxides. The first indications of oxidation appear after just 15 min at 500 degrees C, as V-based oxides grew on the surface of the coatings. Later, the presence of mostly V-based oxides and ternary (V, Al)-oxides was observed starting after 5 min at 600 degrees C. Further analyses confirmed outward diffusion of V and inward diffusion of O, while Al tends to sublimate. alpha-A12O3 was only indexed after 5 min at 800 degrees C. Ex-situ electrical resistivity measurements allowed tracking the oxidation progress of the V2AlC coating.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- MAX phases
- Coatings
- Oxidation
- V2AlC
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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