Electrolytic deposition of reactive element thin films on Crofer 22 APU and evaluation of the resulting high-temperature corrosion protection properties at 700 °C–900 °C - Publication - Bridge of Knowledge

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Electrolytic deposition of reactive element thin films on Crofer 22 APU and evaluation of the resulting high-temperature corrosion protection properties at 700 °C–900 °C

Abstract

This article presents electrolytic deposition of thin Rare Earth (RE) coatings on Crofer 22 APU stainless steel substrates for high temperature applications, such as interconnects in solid oxide cell stacks. The deposition of coatings based on yttrium-, gadolinium-, lanthanum-, and cerium nitrates is discussed. The high temperature corrosion properties of surface-modified steels were examined using thermogravimetry and electrical resistivity measurements. Coatings and oxide microstructures were examined by XRD and SEM of surfaces and cross-sections. The results showed that the use of the RE element oxide layers reduced the growth of oxide scale, as evidenced by lower weight gain. The layers based on Y- and Gd-oxides showed the best corrosion protection properties. The electrical measurements showed that the surface-modified samples had lower resistance than the uncoated sample.

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DOI:
Digital Object Identifier (open in new tab) 10.1016/j.ijhydene.2022.07.220
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Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY no. 47, pages 33453 - 33465,
ISSN: 0360-3199
Language:
English
Publication year:
2022
Bibliographic description:
Lemieszek B., Ignaczak J., Kamecki B., Karczewski J., Mogensen M., Molin S., Jasiński P.: Electrolytic deposition of reactive element thin films on Crofer 22 APU and evaluation of the resulting high-temperature corrosion protection properties at 700 °C–900 °C// INTERNATIONAL JOURNAL OF HYDROGEN ENERGY -Vol. 47,iss. 78 (2022), s.33453-33465
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.ijhydene.2022.07.220
Sources of funding:
Verified by:
Gdańsk University of Technology

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