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Oxidation and high-temperature radiative properties of the Kanthal Super ER intermetallic alloy

Abstract : The oxidation resistance of receivers is a critical point in the development of plants using solar tower technology. Intermetallics in Mo-Si-Al system present oxidation maximum temperature and creep resistance superior to the ones of the currently used Ni-based alloys. We followed here the oxidation resistance of such intermetallic exposed to different treatments in air: long-term oxidation (up to 700 h) at 1373 K, and for several cycles of 20 minutes in solar furnace. The normal spectral emissivity is measured up to 1640 K in air, and our main positive conclusion is this property is not degraded by the oxidation.
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https://hal.archives-ouvertes.fr/hal-03248066
Contributor : Ludovic Charpentier Connect in order to contact the contributor
Submitted on : Thursday, June 3, 2021 - 12:55:57 PM
Last modification on : Tuesday, October 12, 2021 - 5:20:31 PM
Long-term archiving on: : Saturday, September 4, 2021 - 6:37:39 PM

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J. Colas, L. Charpentier, D. Chen, E. Bêche, J. Esvan, et al.. Oxidation and high-temperature radiative properties of the Kanthal Super ER intermetallic alloy. Corrosion Science, Elsevier, 2021, 189, pp.109601. ⟨10.1016/j.corsci.2021.109601⟩. ⟨hal-03248066⟩

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