Studies on corrosion behavior of a single-crystal superalloy and its sputtered nanocrystalline coatings with solid NaCl deposit in O-2+38 vol.% H2O environment at 700 degrees C

doi:10.1016/j.corsci.2019.108187

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	Studies on corrosion behavior of a single-crystal superalloy and its sputtered nanocrystalline coatings with solid NaCl deposit in O-2+38 vol.% H2O environment at 700 degrees C
	Sun, Wenyao 2,3; Wang, Jinlong 1; Yang, Lanlan 4; Chen, Minghui 1; Bao, Zebin 2; Zheng, Chengyue 1; Zhu, Shenglong 2,3; Wang, Fuhui 1
刊名	CORROSION SCIENCE
	2019-12-01
卷号	161 页码:12
关键词	Superalloys Metal coatings STEM Chlorination
ISSN号	0010-938X
DOI	10.1016/j.corsci.2019.108187
通讯作者	Chen, Minghui(mhchen@mail.neu.edu.cn) ; Bao, Zebin(zbbao@imr.ac.cn)
英文摘要	Corrosion behavior of the N5 superalloy (Ni-7.0 Cr-6.2 Al-7.5 Co-5.0 W-1.5 Mo-6.5 Ta-3.0 Re) and two nanocrystalline coatings prepared by magnetron sputtering is investigated in chlorine and water vapor environment at 700 degrees C. The alloy shows low corrosion resistance. Its oxide scale spalls off readily and includes porous NiO outer layer and NiCr(Al)(2)O-4 inner one. The nanocrystalline coating performs better. Its oxide scale consists of Al2O3, NiO and Ta2O5. Chlorination and/or oxidation of Ta ruined compactness of scale. The yttrium modified nanocrystalline coating provides the highest corrosion resistance. Its scale is exclusively alumina. Yttrium inhibits the outward diffusion of Ta.
资助项目	National Key R&D Program of China[2017YFB0306100] ; National Natural Science Foundation of China[51671053] ; National Natural Science Foundation of China[51801021]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000497887900010
资助机构	National Key R&D Program of China ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/136158]
专题	金属研究所_中国科学院金属研究所
通讯作者	Chen, Minghui; Bao, Zebin
作者单位	1.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Liaoning, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Lab Corros & Protect, Shenyang 110016, Liaoning, Peoples R China 3.Univ Sci & Technol China, Coll Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China 4.Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Sun, Wenyao,Wang, Jinlong,Yang, Lanlan,et al. Studies on corrosion behavior of a single-crystal superalloy and its sputtered nanocrystalline coatings with solid NaCl deposit in O-2+38 vol.% H2O environment at 700 degrees C[J]. CORROSION SCIENCE,2019,161:12.
APA	Sun, Wenyao.,Wang, Jinlong.,Yang, Lanlan.,Chen, Minghui.,Bao, Zebin.,...&Wang, Fuhui.(2019).Studies on corrosion behavior of a single-crystal superalloy and its sputtered nanocrystalline coatings with solid NaCl deposit in O-2+38 vol.% H2O environment at 700 degrees C.CORROSION SCIENCE,161,12.
MLA	Sun, Wenyao,et al."Studies on corrosion behavior of a single-crystal superalloy and its sputtered nanocrystalline coatings with solid NaCl deposit in O-2+38 vol.% H2O environment at 700 degrees C".CORROSION SCIENCE 161(2019):12.