Study on abnormal hot corrosion behavior of nickel-based single-crystal superalloy at 900 °C after drilling

Abstract The hot corrosion behavior of nickel-based single-crystal superalloy after drilling is investigated at 900 °C. The characteristics of hot corrosion after drilling which are different from normal hot corrosion are reflected in the formation of a more stable oxide layer and less severe spalla...

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Autores principales:	Zehao Chen, Mengmeng Wu, Yanling Pei, Shusuo Li, Shengkai Gong
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/2afddb41d85d4898800712670a6380dc
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spelling	oai:doaj.org-article:2afddb41d85d4898800712670a6380dc2021-12-02T16:45:10ZStudy on abnormal hot corrosion behavior of nickel-based single-crystal superalloy at 900 °C after drilling10.1038/s41529-021-00167-42397-2106https://doaj.org/article/2afddb41d85d4898800712670a6380dc2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41529-021-00167-4https://doaj.org/toc/2397-2106Abstract The hot corrosion behavior of nickel-based single-crystal superalloy after drilling is investigated at 900 °C. The characteristics of hot corrosion after drilling which are different from normal hot corrosion are reflected in the formation of a more stable oxide layer and less severe spallation. The change of microstructure around the hole is the main reason for the formation of a stable oxide layer during hot corrosion by changing the diffusion process of alloying elements. Subsequently, the formation of a stable oxide layer can reduce the effect of spalling by optimizing surface stress.Zehao ChenMengmeng WuYanling PeiShusuo LiShengkai GongNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ENnpj Materials Degradation, Vol 5, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Zehao Chen Mengmeng Wu Yanling Pei Shusuo Li Shengkai Gong Study on abnormal hot corrosion behavior of nickel-based single-crystal superalloy at 900 °C after drilling
description	Abstract The hot corrosion behavior of nickel-based single-crystal superalloy after drilling is investigated at 900 °C. The characteristics of hot corrosion after drilling which are different from normal hot corrosion are reflected in the formation of a more stable oxide layer and less severe spallation. The change of microstructure around the hole is the main reason for the formation of a stable oxide layer during hot corrosion by changing the diffusion process of alloying elements. Subsequently, the formation of a stable oxide layer can reduce the effect of spalling by optimizing surface stress.
format	article
author	Zehao Chen Mengmeng Wu Yanling Pei Shusuo Li Shengkai Gong
author_facet	Zehao Chen Mengmeng Wu Yanling Pei Shusuo Li Shengkai Gong
author_sort	Zehao Chen
title	Study on abnormal hot corrosion behavior of nickel-based single-crystal superalloy at 900 °C after drilling
title_short	Study on abnormal hot corrosion behavior of nickel-based single-crystal superalloy at 900 °C after drilling
title_full	Study on abnormal hot corrosion behavior of nickel-based single-crystal superalloy at 900 °C after drilling
title_fullStr	Study on abnormal hot corrosion behavior of nickel-based single-crystal superalloy at 900 °C after drilling
title_full_unstemmed	Study on abnormal hot corrosion behavior of nickel-based single-crystal superalloy at 900 °C after drilling
title_sort	study on abnormal hot corrosion behavior of nickel-based single-crystal superalloy at 900 °c after drilling
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/2afddb41d85d4898800712670a6380dc
work_keys_str_mv	AT zehaochen studyonabnormalhotcorrosionbehaviorofnickelbasedsinglecrystalsuperalloyat900cafterdrilling AT mengmengwu studyonabnormalhotcorrosionbehaviorofnickelbasedsinglecrystalsuperalloyat900cafterdrilling AT yanlingpei studyonabnormalhotcorrosionbehaviorofnickelbasedsinglecrystalsuperalloyat900cafterdrilling AT shusuoli studyonabnormalhotcorrosionbehaviorofnickelbasedsinglecrystalsuperalloyat900cafterdrilling AT shengkaigong studyonabnormalhotcorrosionbehaviorofnickelbasedsinglecrystalsuperalloyat900cafterdrilling
_version_	1718383504043016192

Study on abnormal hot corrosion behavior of nickel-based single-crystal superalloy at 900 °C after drilling

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