High temperature oxidation behavior of SUS430 SOFC interconnects with Mn-Co spinel coating in air - Publikacja - MOST Wiedzy

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High temperature oxidation behavior of SUS430 SOFC interconnects with Mn-Co spinel coating in air

Abstrakt

In this study, SUS430 alloy is evaluated for its high temperature corrosion properties as a possible material for interconnects of solid oxide fuel cells (SOFCs). Samples are coated with Mn-Co by commercial physical vapor deposition (PVD) process and oxidized in air for 1250 h at 800 °C. A dense cubic Mn-Co-Fe spinel layer is formed on the surface, showing great effect on corrosion reduction compared with the samples without coating. A corrosion rate constant of 1.22 × 10−14 g2 cm−4 s−1 is presented in this study for the coated samples, with an area specific resistance (ASR) of around 31 mΩ cm2. After the experiment, microstructures of the samples are analyzed by X-ray diffraction (XRD) and scanning electron microscopy (SEM)/energy dispersive spectroscopy (EDS), which shows that the SUS430 alloy with Mn-Co coating can be considered as one of the low-cost material for the interconnects of SOFCs with good performance.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
JOURNAL OF ALLOYS AND COMPOUNDS nr 787, strony 1327 - 1335,
ISSN: 0925-8388
Język:
angielski
Rok wydania:
2019
Opis bibliograficzny:
Jia C., Wang Y., Molin S., Zhang Y., Chen M., Han M.: High temperature oxidation behavior of SUS430 SOFC interconnects with Mn-Co spinel coating in air// JOURNAL OF ALLOYS AND COMPOUNDS. -Vol. 787, (2019), s.1327-1335
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.jallcom.2019.01.015
Weryfikacja:
Politechnika Gdańska

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