The Effect of Morphology and Particle-Size Distribution of VT20 Titanium Alloy Powders on the Mechanical Properties of Deposited Coatings

The Effect of Morphology and Particle-Size Distribution of VT20 Titanium Alloy Powders on the Mechanical Properties of Deposited Coatings

The surface morphology of coatings produced from spherical and nonspherical VT20 titanium alloy powders with different particle-size distributions has been studied. The microhardness and plasticity of the coatings have been determined. The coatings deposited with nonspherical powders are characteriz...

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Veröffentlicht in:Powder metallurgy and metal ceramics 2019-03, Vol.57 (11-12), p.697-702
Hauptverfasser: Duriagina, Z. A., Lemishka, I. A., Trostianchyn, A. M., Kulyk, V. V., Shvachko, S. G., Tepla, T. L., Pleshakov, E. I., Kovbasyuk, T. M.
Format: Artikel
Sprache:eng
Schlagworte:
Aerospace engineering
Aerospace industry
Alloy powders
Alloys
Aviation
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Coatings
Composites
Glass
Hardness (Materials)
Materials Science
Mechanical engineering
Mechanical properties
Metallic Materials
Microhardness
Morphology
Natural Materials
Particle size distribution
Plastic properties
Powders (Particulate matter)
Protective and Functional Powder Coatings
Specialty metals industry
Spherical powders
Technical institutes
Technology
Titanium
Titanium alloys
Titanium base alloys
Yield stress
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Zusammenfassung:The surface morphology of coatings produced from spherical and nonspherical VT20 titanium alloy powders with different particle-size distributions has been studied. The microhardness and plasticity of the coatings have been determined. The coatings deposited with nonspherical powders are characterized by a fine-grained structure and their micromechanical properties are comparable to those of the coatings deposited with spherical powders. The coatings deposited with the powders of the –160+40 μm fraction show an optimum ratio of microhardness, plasticity, and yield stress, regardless of their structural morphology.
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-019-00033-8