High Temperature Corrosion of Fe-30Cr in Flowing CO2 Gas

S. Nurul Atikah; Norinsan Kamil Othman; Azman Jalar

doi:10.4028/www.scientific.net/AMR.501.165

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 501High Temperature Corrosion of Fe-30Cr in Flowing...

High Temperature Corrosion of Fe-30Cr in Flowing CO₂ Gas

Abstract:

A plate of Fe-30Cr (wt%) were subjected to isothermal furnace at 600 °C in flowing CO2 gas at total pressure of approximately 1 atm. The reacted samples morphology and microstructure were characterized by using visual inspection, optical microscope, SEM and EDAX. The weight change measurement showed a fluctuating result during the exposure. The significant weight loss was observed after five hours exposure due to oxide scale exfoliation. Formation of different oxide and element presents on the interface of the specimen such as Cr2O3, C and Fe3C were revealed by X-ray diffraction and with supported by EDAX analysis. This behavior of the high temperature corrosion on Fe-30Cr was discussed based on morphology and microstructure observation.

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Periodical:

Advanced Materials Research (Volume 501)

Pages:

165-168

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.501.165

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Online since:

April 2012

Authors:

S. Nurul Atikah, Norinsan Kamil Othman, Azman Jalar

Keywords:

Carburization, Cr₂O₃, Fe-Cr Alloy, Oxidation

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