Protective coatings for stainless steel for SOFC applications |
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| Authors: | S Molin B Kusz M Gazda P Jasinski |
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| Institution: | (1) Faculty of Electronics, Telecommunication and Informatics, Gdansk University of Technology, ul.G. Narutowicza 11/12, 80-952 Gdansk, Poland;(2) Faculty of Applied Physics and Mathematics, Gdansk University of Technology, ul.G. Narutowicza 11/12, 80-952 Gdansk, Poland |
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| Abstract: | In this paper, a coating procedure based on spin coating of metal oxide polymer precursors on stainless steel, which decreases
the oxide scale growth rate, is evaluated. The yttrium and cobalt solutions were used as polymer precursors, while a ferritic
stainless steel Crofer 22 APU was used for the deposition of protective coatings. The thickness of deposited protective film
was about ~500 nm. The effectiveness of protective layer was evaluated by cyclic thermogravimetry, oxide scale electrical
conductivity, and X-ray diffractometry. The results show that steel coated with yttrium polymer precursor has better properties
than uncoated or cobalt-coated sample. |
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