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Conference papers

Overview on corrosion in supercritical fluids

Abstract : Whatever is the supercritical fluid, the performance of structural materials is a key issue for industrial applications. An overview is carried out on the corrosion behavior of metallic metals and alloys under pressure and temperature conditions appropriate for supercritical fluids. Steels, including stainless steels, and nickel base alloys are the main alloys investigated in supercritical environments. In supercritical water (SCW), the review highlights how SCW density changes the corrosion mechanisms. Beside the density, temperature and impurities (especially chlorine) play key roles. SCW oxidation is promised to a strong development if corrosion issues are solved, as illustrated with the DELOS process for destruction of radioactive organics.In other supercritical fluids like supercritical CO$_2$, authors observed that no corrosion occurs in pure SCF but the water content is a key parameter. Temperature, water and pollutants are the major factors leading to increase uniform or localized corrosion rates.
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Submitted on : Monday, January 13, 2020 - 3:18:35 PM
Last modification on : Tuesday, April 28, 2020 - 11:28:16 AM
Long-term archiving on: : Tuesday, April 14, 2020 - 6:02:45 PM


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  • HAL Id : cea-02437074, version 1




D. Feron. Overview on corrosion in supercritical fluids. Cycle de conférences donnés sur l'invitation de l'IMR CAS, Nov 2016, Shenyang, China. ⟨cea-02437074⟩



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