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Coatings 2018, 8(3), 114; https://doi.org/10.3390/coatings8030114

The Properties of Binary and Ternary Ti Based Coatings Produced by Thermionic Vacuum Arc (TVA) Technology

1
Faculty of Applied Sciences and Engineering, Ovidius University, 124 Mamaia Av., 900527 Constanţa, Romania
2
National Institute for Laser, Plasma and Radiation Physics,409 Atomistilor Av., P.O. Box MG-36, 077125 Magurele, Bucharest, Romania
*
Author to whom correspondence should be addressed.
Received: 7 February 2018 / Revised: 5 March 2018 / Accepted: 16 March 2018 / Published: 20 March 2018
(This article belongs to the Special Issue Advances in Coatings Vacuum Deposition Systems)
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Abstract

A series of the multicomponent thin films (binary: Ti-C; Ti-Ag and ternary: Ti-C-Ag; Ti-C-Al) were fabricated by Thermionic Vacuum Arc (TVA) technology in order to study the wear resistance and the anticorrosion properties. The effects of Ti amount on the microstructure, tribological and morphological properties were subsequently investigated. TVA is an original deposition method using a combination of anodic arc and electron gun systems for the growth of films. The samples were characterized using scanning electron microscope (SEM) and a transmission electron microscope (TEM) accompanied by selected area electron diffraction (SAED). Tribological properties were studied by a ball-on-disc tribometer in the dry regime and the wettability was assessed by measuring the contact angle with the See System apparatus. Wear Rate results indicate an improved sliding wear behavior for Ti-C-Ag: 1.31 × 10−7 mm3/N m (F = 2 N) compared to Ti-C-Al coating wear rate: 4.24 × 10−7 mm3/N m. On the other hand, by increasing the normal load to 3 N an increase to the wear rate was observed for Ti-C-Ag: 2.58 × 10−5 mm3 compared to 2.33 × 10−6 mm3 for Ti-C-Al coating. View Full-Text
Keywords: Ti based coatings; Thermionic Vacuum Arc (TVA); tribological properties; TEM characterization Ti based coatings; Thermionic Vacuum Arc (TVA); tribological properties; TEM characterization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Mandes, A.; Vladoiu, R.; Prodan, G.; Dinca, V.; Porosnicu, C.; Dinca, P. The Properties of Binary and Ternary Ti Based Coatings Produced by Thermionic Vacuum Arc (TVA) Technology. Coatings 2018, 8, 114.

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