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- Ni, Y. (author)
Corrosion mechanism of CuAl-NiC abradable seal coating system—The influence of porosity, multiphase, and multilayer structure on the corrosion failure
- Article/chapterEnglish2021
Publisher, publication year, extent ...
- Elsevier BV,2021
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-308864
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-308864URI
- https://doi.org/10.1016/j.jmst.2021.01.068DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- QC 20220215
- In this study, the corrosion behavior of the CuAl-NiC abradable seal coating system in chloride solution was investigated to systematically research the effect of porosity, multiphase, and multilayer structure on the corrosion failure. Through the composition and structure analysis, the corrosion process of the system was predicted and then verified with mercury intrusion porosimetry, cross-section SEM/EDS analysis, and electrochemical measurements. The results demonstrated that the interphase selective corrosion caused the porosity of the top layer to decrease first and then increase during the corrosion development. The interlayer galvanic corrosion, determined by the pore connectivity, is crucial for corrosion failure.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Materialteknik Annan materialteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering Other Materials Engineering hsv//eng
- TEKNIK OCH TEKNOLOGIER Materialteknik Metallurgi och metalliska material hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering Metallurgy and Metallic Materials hsv//eng
- TEKNIK OCH TEKNOLOGIER Materialteknik Bearbetnings-, yt- och fogningsteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering Manufacturing, Surface and Joining Technology hsv//eng
- Abradable seal coating system
- Galvanic corrosion
- Multilayer
- Porosity
- Aluminum compounds
- Chlorine compounds
- Coatings
- Copper compounds
- Corrosive effects
- Dealloying
- Multilayers
- Nickel compounds
- Seals
- Chloride solutions
- Corrosion behavior
- Corrosion mechanisms
- Electrochemical measurements
- Mercury intrusion porosimetry
- Multilayer structures
- Selective corrosion
- Structure analysis
- Failure (mechanical)
Added entries (persons, corporate bodies, meetings, titles ...)
- Zhang, F. (author)
- Njoku, D. I. (author)
- Yu, Y. (author)
- Pan, Jinshan,1962-KTH,Yt- och korrosionsvetenskap(Swepub:kth)u17ks6cf (author)
- Meng, M. (author)
- Li, Y. (author)
- KTHYt- och korrosionsvetenskap (creator_code:org_t)
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- In:Journal of Materials Science & Technology: Elsevier BV88, s. 258-2691005-0302
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