Effects of Different Surface Native Pre-Oxides on the Hot Corrosion Properties of Nickel-Based Single Crystal Superalloys

A study is carried out on the effect of different surface native pre-oxides on hot corrosion of single crystal nickel-based superalloy at 900 °C. The effect of different oxides formed by different superalloys through pre-oxidation on hot corrosion is verified by normal hot corrosion and tube sealing...

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Detalles Bibliográficos
Autores principales: Chen, Zehao, Li, Shusuo, Wu, Mengmeng, Pei, Yanling, Gong, Shengkai, Zhang, Heng
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7767146/
https://www.ncbi.nlm.nih.gov/pubmed/33348849
http://dx.doi.org/10.3390/ma13245774
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author Chen, Zehao
Li, Shusuo
Wu, Mengmeng
Pei, Yanling
Gong, Shengkai
Zhang, Heng
author_facet Chen, Zehao
Li, Shusuo
Wu, Mengmeng
Pei, Yanling
Gong, Shengkai
Zhang, Heng
author_sort Chen, Zehao
collection PubMed
description A study is carried out on the effect of different surface native pre-oxides on hot corrosion of single crystal nickel-based superalloy at 900 °C. The effect of different oxides formed by different superalloys through pre-oxidation on hot corrosion is verified by normal hot corrosion and tube sealing experiments. The relationship between different surface oxides and the effect of different surface oxides layer on the hot corrosion properties of alloys are studied. In summary, the stable and dense surface pre-Al(2)O(3) layer which can be obtained by pre-oxidation has an obvious positive effect on the improvement of superalloy hot corrosion resistance in reaction. In addition, the internal sulfides are analyzed in depth, and the relationship between Cr, Mo, O and S is discussed in detail.
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spelling pubmed-77671462020-12-28 Effects of Different Surface Native Pre-Oxides on the Hot Corrosion Properties of Nickel-Based Single Crystal Superalloys Chen, Zehao Li, Shusuo Wu, Mengmeng Pei, Yanling Gong, Shengkai Zhang, Heng Materials (Basel) Article A study is carried out on the effect of different surface native pre-oxides on hot corrosion of single crystal nickel-based superalloy at 900 °C. The effect of different oxides formed by different superalloys through pre-oxidation on hot corrosion is verified by normal hot corrosion and tube sealing experiments. The relationship between different surface oxides and the effect of different surface oxides layer on the hot corrosion properties of alloys are studied. In summary, the stable and dense surface pre-Al(2)O(3) layer which can be obtained by pre-oxidation has an obvious positive effect on the improvement of superalloy hot corrosion resistance in reaction. In addition, the internal sulfides are analyzed in depth, and the relationship between Cr, Mo, O and S is discussed in detail. MDPI 2020-12-17 /pmc/articles/PMC7767146/ /pubmed/33348849 http://dx.doi.org/10.3390/ma13245774 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Chen, Zehao
Li, Shusuo
Wu, Mengmeng
Pei, Yanling
Gong, Shengkai
Zhang, Heng
Effects of Different Surface Native Pre-Oxides on the Hot Corrosion Properties of Nickel-Based Single Crystal Superalloys
title Effects of Different Surface Native Pre-Oxides on the Hot Corrosion Properties of Nickel-Based Single Crystal Superalloys
title_full Effects of Different Surface Native Pre-Oxides on the Hot Corrosion Properties of Nickel-Based Single Crystal Superalloys
title_fullStr Effects of Different Surface Native Pre-Oxides on the Hot Corrosion Properties of Nickel-Based Single Crystal Superalloys
title_full_unstemmed Effects of Different Surface Native Pre-Oxides on the Hot Corrosion Properties of Nickel-Based Single Crystal Superalloys
title_short Effects of Different Surface Native Pre-Oxides on the Hot Corrosion Properties of Nickel-Based Single Crystal Superalloys
title_sort effects of different surface native pre-oxides on the hot corrosion properties of nickel-based single crystal superalloys
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7767146/
https://www.ncbi.nlm.nih.gov/pubmed/33348849
http://dx.doi.org/10.3390/ma13245774
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