The Influence of Surface Treatment on Wettability of TiNi-Based Alloy

The results of an investigation of surface wettability of TiNi-based alloys by water and DMEM-medium are presented. A comparative analysis of the wetting angle is performed after processing the specimens by grinding, sand blasting, oxidation in air, etching in a solution of acids, processing by vapo...

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Bibliographic Details
Published in:Russian physics journal 2019-06, Vol.62 (2), p.333-338
Main Authors: Yasenchuk, Yu. F., Gunther, S. V., Kokorev, O. V., Marchenko, E. S., Gunther, V. É., Baigonakova, G. A., Dubovikov, K. M.
Format: Article
Language:English
Subjects:
Alloys
Blasting
Comparative analysis
Condensed Matter Physics
Detergents, Synthetic
Etching
Hadrons
Heavy Ions
Hydrogen peroxide
Hydrophilicity
Intermetallic compounds
Lasers
Mathematical and Computational Physics
Nickel base alloys
Nickel compounds
Nuclear Physics
Optical Devices
Optics
Organic chemistry
Oxidation
Photonics
Physics
Physics and Astronomy
Sandblasting
Shape memory alloys
Specialty metals industry
Surface energy
Surface treatment
Theoretical
Titanium compounds
Wettability
Wetting
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Summary:The results of an investigation of surface wettability of TiNi-based alloys by water and DMEM-medium are presented. A comparative analysis of the wetting angle is performed after processing the specimens by grinding, sand blasting, oxidation in air, etching in a solution of acids, processing by vapor, hydrogen peroxide, and detergent solution in an ultrasonic bath. It is shown that oxidation in air and etching in acids increase the surface hydrophilic property of TiNi-based alloys. The highest hydrophilic value with the water wetting angle about 30° is achieved in the case of vapor treatment following sand blasting and treatment of the oxidized specimens with hydrogen peroxide. The differing influence of treatments on the wetting angle is attributed to variations in the surface energy of TiNi-based alloy specimens, which is affected by the microrelief and structural-chemical characteristics of the surface.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-019-01716-w