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Journal Articles Corrosion Science Year : 2021

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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Dates and versions

hal-03248066 , version 1 (03-06-2021)

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