Hot corrosion behavior of NiCoCrAlYTa coating deposited on Inconel alloy substrate by high velocity oxy-fuel spraying upon exposure to molten V2O5-containing salts
Department先进润滑与防护材料研究发展中心
Liu X(刘侠)1,2; An YL(安宇龙)1; Zhao XQ(赵晓琴)1; Li SJ(李双建)1,2; Deng W(邓雯)1,2; Hou GL(侯国梁)1; Ye YP(冶银平)1; Zhou HD(周惠娣)1; Chen JM(陈建敏)1; An YL(安宇龙); Chen JM(陈建敏)
The second department固体润滑国家重点实验室
2016
Source PublicationCorrosion Science
ISSN0010-938X
Volume112Pages:696-709
Abstract

The corrosion behavior of the HVOF-sprayed NiCoCrAlYTa coating upon exposure to molten V2O5 and molten mixture of 50 wt.% V2O5 + 50 wt.% Na2SO4 at 800–1000 °C was discussed. The hardness, elastic modulus and contact stiffness of the coating were determined by nano-indentation test. Results indicate that the coating exhibits good corrosion resistance, which is ascribed to the formation of Al and Cr oxide protective film. The generation of hard phases Al2O3 and Cr2O3 with loose structure and Laves phase Cr2Ta lead to the increase of the hardness and elastic modulus of the corroded coatings and the decrease of contact stiffness.

KeywordMetal Coating Molten Salts Xrd Sem Raman Spectroscopy Hot Corrosion
Subject Area材料科学与物理化学
DOI10.1016/j.corsci.2016.09.010
Funding Organizationthe National Natural Science Foundation of China (Grant No. 51302272;51601203);the Youth Innovation Promotion Association of Chinese Academy of Sciences (Grant No. 2014378)
Indexed BySCI
If5.245
Language英语
Funding Project磨损与表面工程课题组
compositor第一作者单位
Citation statistics
Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.licp.cn/handle/362003/20624
Collection中国科学院材料磨损与防护重点实验室/先进润滑与防护材料研究发展中心
固体润滑国家重点实验室(LSL)
Corresponding AuthorAn YL(安宇龙); Chen JM(陈建敏)
Affiliation1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu X,An YL,Zhao XQ,et al. Hot corrosion behavior of NiCoCrAlYTa coating deposited on Inconel alloy substrate by high velocity oxy-fuel spraying upon exposure to molten V2O5-containing salts[J]. Corrosion Science,2016,112:696-709.
APA Liu X.,An YL.,Zhao XQ.,Li SJ.,Deng W.,...&陈建敏.(2016).Hot corrosion behavior of NiCoCrAlYTa coating deposited on Inconel alloy substrate by high velocity oxy-fuel spraying upon exposure to molten V2O5-containing salts.Corrosion Science,112,696-709.
MLA Liu X,et al."Hot corrosion behavior of NiCoCrAlYTa coating deposited on Inconel alloy substrate by high velocity oxy-fuel spraying upon exposure to molten V2O5-containing salts".Corrosion Science 112(2016):696-709.
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