引用本文:LIAO Bang-liang,MA Jian-guang,ZHU Wei-hua,ZHU Hong-mei,YANG Kai,LIU Yan-hong,Li Huai-lin,WANG Xiao-jing,WANG Xin-lin.[en_title][J].Journal of Chongqing University (English Edition),2018,17(1):17~26
LIAO Bang-liang,MA Jian-guang,ZHU Wei-hua,ZHU Hong-mei,YANG Kai,LIU Yan-hong,Li Huai-lin,WANG Xiao-jing,WANG Xin-lin.Microstructure and corrosion resistance of sputtered TiN coatings on surface of Zr-4 alloy[J].Journal of Chongqing University (English Edition),2018,17(1):17~26
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Microstructure and corrosion resistance of sputtered TiN coatings on surface of Zr-4 alloy
LIAO Bang-liang1, MA Jian-guang1, ZHU Wei-hua2, ZHU Hong-mei1, YANG Kai1, LIU Yan-hong3, Li Huai-lin3, WANG Xiao-jing3, WANG Xin-lin4,5
1.School of Mechanical Engineering, University of South China, Hengyang 421001, P. R. China;2.School of Electrical Engineering, University of South China, Hengyang 421001, P. R. China;3.State Power Investment Corporation Science and Technology Research Institute, Beijing 102209, P. R. China;4.1.School of Mechanical Engineering, University of South China, Hengyang 421001, P. R. China;5.2.School of Electrical Engineering, University of South China, Hengyang 421001, P. R. China
摘要:
To improve the oxidation resistance and corrosion resistance of Zr-4 alloy, titanium nitride (TiN) coatings were prepared on the Zr-4 alloy with a TiN ceramic target with different ratios of N2. Microstructure and high-temperature properties of the TiN coated samples were studied by scanning electron microscopy (SEM), energy dispersive spectrometer (EDS), X-ray diffraction meter (XRD), X-ray photoelectron spectroscopy (XPS), heat treatment furnace and autoclaves, respectively. The x value of the TiN coatings (TiNx) ranges from 0.96 to 1.33. After the introduction of N2, TiN coating exhibits a weak (200) plane and a preferred (111) orientation. The coating prepared with an N2 flow ratio of 15% shows an optimal oxidation resistance in the atmospheric environment at 800?°C. In either 1?200?°C steam environment for one hour, or deionized water at 360?°C and a pressure of 18.6?Mpa for 16 d, the opitimized TiN coated samples have no delamination or spallation; and the gains in the masses of samples are much smaller than Zr-4 alloy. These results demonstrate the effectiveness of the optimized TiN coating as the protective coating on the Zr-4 alloy under extreme conditons.
关键词:  Zr-4 alloy  magnetron sputtering  TiN coating  high temperature oxidation resistance  corrosion resistance
DOI:10.11835/j.issn.1671-8224.2018.01.002
分类号:
基金项目:Funded by the National Science and Technology Major Project of the Ministry of Science and Technology of China (2015ZX06004001 -002) and the Postgraduate Research and Innovation Project of the University of South China (2017XCX11).
Microstructure and corrosion resistance of sputtered TiN coatings on surface of Zr-4 alloy
LIAO Bang-liang1, MA Jian-guang1, ZHU Wei-hua2, ZHU Hong-mei1, YANG Kai1, LIU Yan-hong3, Li Huai-lin3, WANG Xiao-jing3, WANG Xin-lin4,5
1.School of Mechanical Engineering, University of South China, Hengyang 421001, P. R. China;2.School of Electrical Engineering, University of South China, Hengyang 421001, P. R. China;3.State Power Investment Corporation Science and Technology Research Institute, Beijing 102209, P. R. China;4.1.School of Mechanical Engineering, University of South China, Hengyang 421001, P. R. China;5.2.School of Electrical Engineering, University of South China, Hengyang 421001, P. R. China
Abstract:
To improve the oxidation resistance and corrosion resistance of Zr-4 alloy, titanium nitride (TiN) coatings were prepared on the Zr-4 alloy with a TiN ceramic target with different ratios of N2. Microstructure and high-temperature properties of the TiN coated samples were studied by scanning electron microscopy (SEM), energy dispersive spectrometer (EDS), X-ray diffraction meter (XRD), X-ray photoelectron spectroscopy (XPS), heat treatment furnace and autoclaves, respectively. The x value of the TiN coatings (TiNx) ranges from 0.96 to 1.33. After the introduction of N2, TiN coating exhibits a weak (200) plane and a preferred (111) orientation. The coating prepared with an N2 flow ratio of 15% shows an optimal oxidation resistance in the atmospheric environment at 800?°C. In either 1?200?°C steam environment for one hour, or deionized water at 360?°C and a pressure of 18.6?Mpa for 16 d, the opitimized TiN coated samples have no delamination or spallation; and the gains in the masses of samples are much smaller than Zr-4 alloy. These results demonstrate the effectiveness of the optimized TiN coating as the protective coating on the Zr-4 alloy under extreme conditons.
Key words:  Zr-4 alloy  magnetron sputtering  TiN coating  high temperature oxidation resistance  corrosion resistance
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