21 April 2016 Peculiarities of structure formation of layered metal-oxide system Ti-Ta-(Ti,Ta)xOy during electro-spark alloying and thermally stimulated modification
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Abstract
The study focuses on high-performance combined electro-spark alloying of titanium and titanium alloy (VT1-0, VT16) surface and porous matrix structure oxidation. The metal-oxide coatings morphology is the result of melt drop transfer, heat treatment, and oxidation. The study establishes the influence of technological regimes of alloying and oxidation on morphological heterogeneity of biocompatible layered metal-oxide system Ti-Ta-(Ti,Ta)xOy. It was found that during electro-spark alloying the concentration of tantalum on the titanium surface ranges from 0.1 to 3.2 at.%. Morphology of the deposited splats is represented by uniformly grown crystals of titanium and tantalum oxides, which increase from nano- to submicron size.
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Marina A. Fomina, Marina A. Fomina, Vladimir A. Koshuro, Vladimir A. Koshuro, Aleksandr A. Fomin, Aleksandr A. Fomin, Igor V. Rodionov, Igor V. Rodionov, Aleksandr A. Skaptsov, Aleksandr A. Skaptsov, Andrey M. Zakharevich, Andrey M. Zakharevich, Alexander Aman, Alexander Aman, Aleksandr Oseev, Aleksandr Oseev, Soeren Hirsch, Soeren Hirsch, Soeren Majcherek, Soeren Majcherek, } "Peculiarities of structure formation of layered metal-oxide system Ti-Ta-(Ti,Ta)xOy during electro-spark alloying and thermally stimulated modification", Proc. SPIE 9917, Saratov Fall Meeting 2015: Third International Symposium on Optics and Biophotonics and Seventh Finnish-Russian Photonics and Laser Symposium (PALS), 99171M (21 April 2016); doi: 10.1117/12.2229491; https://doi.org/10.1117/12.2229491
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