Improvement in the Wear Resistance of the Nb–Ti Alloy System by Using Thermodiffusion Oxidation

We analyze the influence of thermodiffusion oxidation on the structure, physico-mechanical and tribological properties of a niobium-titanium alloy. The method of combined chemical and thermal treatment of a niobium-titanium alloy is proposed to form a surface composite layer containing oxide inclusi...

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Bibliographic Details
Published in:Strength of materials 2016-11, Vol.48 (6), p.740-746
Main Authors: Pokhmurs’kyi, V. I., Rats’ka, N. B., Vasyliv, Kh. B., Vynar, V. A.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Concentration (composition)
Corrosion and anti-corrosives
Gas-turbines
Materials Science
Mechanical properties
Niobium
Nuclear energy
Oxidation
Solid Mechanics
Specialty metals industry
Surface layers
Thermal diffusion
Titanium alloys
Titanium base alloys
Tribology
Wear resistance
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Summary:We analyze the influence of thermodiffusion oxidation on the structure, physico-mechanical and tribological properties of a niobium-titanium alloy. The method of combined chemical and thermal treatment of a niobium-titanium alloy is proposed to form a surface composite layer containing oxide inclusions of rutile-type Ti(Nb,Al,V)O 2 in the matrix. It is shown that for the volume fraction of oxide inclusions in the gas-saturated layer of 40–50%, the wear resistance of the alloy increases, also under the influence of hydrogen.
ISSN:0039-2316
1573-9325
DOI:10.1007/s11223-017-9820-5