Structural features and wear resistance of the TiAlN coating on the Ti–6Al–4V alloy formed by combining electric arc spraying and gas nitriding methods

The formation of the TiAlN coating on Ti–6Al–4V alloy by combining the arc spraying and gas nitriding methods was investigated. The TiAlN phase is formed in the coating during gas nitriding of the titanium alloy with a pre-sprayed layer of aluminum and titanium. The content of the TiAlN phase decrea...

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Veröffentlicht in:Materials science (New York, N.Y.) Jg. 60; H. 4; S. 453 - 461
Hauptverfasser: Tkachuk, O. V., Hvozdetskyi, V. M., Student, M. M., Zadorozhna, Kh. R., Kovalchuk, I. V., Pohrelyuk, I. M.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York Springer US 01.01.2025
Springer Nature B.V
Schlagworte:
Alloys
Aluminum
Aluminum oxide
Arc spraying
Characterization and Evaluation of Materials
Chemistry and Materials Science
Coating
Heat resistance
Materials Science
Morphology
Nitriding
Nitrogen
Solid Mechanics
Structural Materials
Surface hardness
Titanium
Titanium base alloys
Wear resistance
Gas nitriding
Wear resistance
Arc spraying
ISSN:1068-820X, 1573-885X
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Zusammenfassung:The formation of the TiAlN coating on Ti–6Al–4V alloy by combining the arc spraying and gas nitriding methods was investigated. The TiAlN phase is formed in the coating during gas nitriding of the titanium alloy with a pre-sprayed layer of aluminum and titanium. The content of the TiAlN phase decreased with the increase of nitriding temperature from 650 to 850 °C. The TiAlN coating significantly increases the surface hardness of the alloy (up to 12–15 GPa) and, in the tribo-pair with Al 2 O 3 , provides significantly higher wear resistance compared to the TiN coating and untreated alloy.
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ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-025-00905-y