Performance of TC4 Titanium Alloys Coated with Different Sol

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Titanium alloys has been widely used in many fields, while in high temperature and rigorous corrosive environment, it is very necessary to do some work on the surface of titanium alloys to satisfy with application purpose. In this paper, four kinds of sol film were prepared on titanium alloys with and without anodic oxidation film. The prepared sol included Al2O3, Al2O3-ZrO2 and doped sol by adding additive into them respectively. The film thickness, high temperature oxidation resistance and corrosion resistance after high temperature oxidation for some time were investigated. The results show that the sol film obtained on the anodic oxidation film of titanium alloys is thicker than that without anodic oxidation film. Compared with the other three kinds of film, the doped Al2O3-ZrO2 sol film has the best high temperature oxidation resistance and corrosion resistance due to insulation effect of the sol film, and the composition of additive and zirconic.

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Periodical:

Edited by:

Huibin Xu, Khiam Aik Khor, Shengkai Gong, Hongbo Guo

Pages:

67-70

DOI:

10.4028/www.scientific.net/AMR.75.67

Citation:

H. C. Liu et al., "Performance of TC4 Titanium Alloys Coated with Different Sol", Advanced Materials Research, Vol. 75, pp. 67-70, 2009

Online since:

June 2009

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$35.00

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