Corrosion resistance of Ti-based metallic glass coating in concentrated nitric acid

Congbo Li; Weiwei Chen; Qisheng Jiang; Lu Wang; Dawei Luo

doi:10.1016/j.matchemphys.2013.11.061

Corrosion resistance of Ti-based metallic glass coating in concentrated nitric acid

Congbo Li, Weiwei Chen^*, Qisheng Jiang, Lu Wang, Dawei Luo

^*Corresponding author for this work

School of Material Science and Engineering

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

This paper investigated the corrosion resistance of a Ti-based metallic glass coating in concentrated HNO₃ solution, and discovered the coating's superior corrosion resistance compared with 304 L substrate. The coating exhibited a fully amorphous and pore-free structure with the thickness of ∼380 μm. A relatively uniform and thick passivation film was formed on the surface of the coating as an oxygen diffusion barrier, leading to the much improved corrosion resistance. The Raman spectrum evidenced that the passivation film was mainly TiO₂ with a mixed structure of anatase and rutile. We believe that the present findings will open up a new horizon for coatings in spent nuclear fuel reprocessing applications.

Original language	English
Pages (from-to)	900-903
Number of pages	4
Journal	Materials Chemistry and Physics
Volume	143
Issue number	3
DOIs	https://doi.org/10.1016/j.matchemphys.2013.11.061
Publication status	Published - 14 Feb 2014

Keywords

Amorphous materials
Coatings
Corrosion
Raman spectroscopy and scattering

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10.1016/j.matchemphys.2013.11.061

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abstract = "This paper investigated the corrosion resistance of a Ti-based metallic glass coating in concentrated HNO3 solution, and discovered the coating's superior corrosion resistance compared with 304 L substrate. The coating exhibited a fully amorphous and pore-free structure with the thickness of ∼380 μm. A relatively uniform and thick passivation film was formed on the surface of the coating as an oxygen diffusion barrier, leading to the much improved corrosion resistance. The Raman spectrum evidenced that the passivation film was mainly TiO2 with a mixed structure of anatase and rutile. We believe that the present findings will open up a new horizon for coatings in spent nuclear fuel reprocessing applications.",

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AU - Li, Congbo

AU - Chen, Weiwei

AU - Jiang, Qisheng

AU - Wang, Lu

AU - Luo, Dawei

PY - 2014/2/14

Y1 - 2014/2/14

N2 - This paper investigated the corrosion resistance of a Ti-based metallic glass coating in concentrated HNO3 solution, and discovered the coating's superior corrosion resistance compared with 304 L substrate. The coating exhibited a fully amorphous and pore-free structure with the thickness of ∼380 μm. A relatively uniform and thick passivation film was formed on the surface of the coating as an oxygen diffusion barrier, leading to the much improved corrosion resistance. The Raman spectrum evidenced that the passivation film was mainly TiO2 with a mixed structure of anatase and rutile. We believe that the present findings will open up a new horizon for coatings in spent nuclear fuel reprocessing applications.

AB - This paper investigated the corrosion resistance of a Ti-based metallic glass coating in concentrated HNO3 solution, and discovered the coating's superior corrosion resistance compared with 304 L substrate. The coating exhibited a fully amorphous and pore-free structure with the thickness of ∼380 μm. A relatively uniform and thick passivation film was formed on the surface of the coating as an oxygen diffusion barrier, leading to the much improved corrosion resistance. The Raman spectrum evidenced that the passivation film was mainly TiO2 with a mixed structure of anatase and rutile. We believe that the present findings will open up a new horizon for coatings in spent nuclear fuel reprocessing applications.

KW - Amorphous materials

KW - Coatings

KW - Corrosion

KW - Raman spectroscopy and scattering

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DO - 10.1016/j.matchemphys.2013.11.061

M3 - Article

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SN - 0254-0584

VL - 143

SP - 900

EP - 903

JO - Materials Chemistry and Physics

JF - Materials Chemistry and Physics

IS - 3

ER -

Corrosion resistance of Ti-based metallic glass coating in concentrated nitric acid

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Keywords

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