Oxidation behavior of Cr-coated zirconium alloy cladding in high-temperature steam above 1200 °C

Abstract Dense, uniform, and well-adhered chromium (Cr) coatings were deposited on zirconium (Zr) alloy claddings by using physical vapor deposition (PVD). The Cr-coated samples were tested at 1200 oC and 1300 oC, respectively, for different exposure time in water steam environment. Microstructures...

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Autores principales:	Hai-Bin Ma, Jun Yan, Ya-Huan Zhao, Tong Liu, Qi-Sen Ren, Ye-Hong Liao, Jia-Dong Zuo, Gang Liu, Mei-Yi Yao
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/ca540c44b891452283521b0392211651
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spelling	oai:doaj.org-article:ca540c44b891452283521b03922116512021-12-02T12:09:45ZOxidation behavior of Cr-coated zirconium alloy cladding in high-temperature steam above 1200 °C10.1038/s41529-021-00155-82397-2106https://doaj.org/article/ca540c44b891452283521b03922116512021-02-01T00:00:00Zhttps://doi.org/10.1038/s41529-021-00155-8https://doaj.org/toc/2397-2106Abstract Dense, uniform, and well-adhered chromium (Cr) coatings were deposited on zirconium (Zr) alloy claddings by using physical vapor deposition (PVD). The Cr-coated samples were tested at 1200 oC and 1300 oC, respectively, for different exposure time in water steam environment. Microstructures and compositions of the coating/substrate system after oxidation were characterized by X-ray diffraction, scanning electronic microscopy, and energy dispersion spectrometer. The microstructural results clearly demonstrated that Cr2O3 layer has been produced on the coating surface, acting as an oxygen diffusion barrier and concomitantly reducing the oxidation rate. The experimental results on weight gains soundly supported the microstructural findings that the Cr coatings could protect the Zr substrate from high-temperature steam oxidation, even at a temperature up to 1300 oC. Finally, the oxidation kinetics was theoretically analyzed and the underlying oxidation mechanism was also clarified.Hai-Bin MaJun YanYa-Huan ZhaoTong LiuQi-Sen RenYe-Hong LiaoJia-Dong ZuoGang LiuMei-Yi YaoNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ENnpj Materials Degradation, Vol 5, Iss 1, Pp 1-11 (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 Hai-Bin Ma Jun Yan Ya-Huan Zhao Tong Liu Qi-Sen Ren Ye-Hong Liao Jia-Dong Zuo Gang Liu Mei-Yi Yao Oxidation behavior of Cr-coated zirconium alloy cladding in high-temperature steam above 1200 °C
description	Abstract Dense, uniform, and well-adhered chromium (Cr) coatings were deposited on zirconium (Zr) alloy claddings by using physical vapor deposition (PVD). The Cr-coated samples were tested at 1200 oC and 1300 oC, respectively, for different exposure time in water steam environment. Microstructures and compositions of the coating/substrate system after oxidation were characterized by X-ray diffraction, scanning electronic microscopy, and energy dispersion spectrometer. The microstructural results clearly demonstrated that Cr2O3 layer has been produced on the coating surface, acting as an oxygen diffusion barrier and concomitantly reducing the oxidation rate. The experimental results on weight gains soundly supported the microstructural findings that the Cr coatings could protect the Zr substrate from high-temperature steam oxidation, even at a temperature up to 1300 oC. Finally, the oxidation kinetics was theoretically analyzed and the underlying oxidation mechanism was also clarified.
format	article
author	Hai-Bin Ma Jun Yan Ya-Huan Zhao Tong Liu Qi-Sen Ren Ye-Hong Liao Jia-Dong Zuo Gang Liu Mei-Yi Yao
author_facet	Hai-Bin Ma Jun Yan Ya-Huan Zhao Tong Liu Qi-Sen Ren Ye-Hong Liao Jia-Dong Zuo Gang Liu Mei-Yi Yao
author_sort	Hai-Bin Ma
title	Oxidation behavior of Cr-coated zirconium alloy cladding in high-temperature steam above 1200 °C
title_short	Oxidation behavior of Cr-coated zirconium alloy cladding in high-temperature steam above 1200 °C
title_full	Oxidation behavior of Cr-coated zirconium alloy cladding in high-temperature steam above 1200 °C
title_fullStr	Oxidation behavior of Cr-coated zirconium alloy cladding in high-temperature steam above 1200 °C
title_full_unstemmed	Oxidation behavior of Cr-coated zirconium alloy cladding in high-temperature steam above 1200 °C
title_sort	oxidation behavior of cr-coated zirconium alloy cladding in high-temperature steam above 1200 °c
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/ca540c44b891452283521b0392211651
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_version_	1718394657514192896

Oxidation behavior of Cr-coated zirconium alloy cladding in high-temperature steam above 1200 °C

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