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The effect of Ta alloying on mechanical and tribological properties of Ti-Al-N coatings

Shugurov, A. R. ; Kuzminov, E. D. ; Kasterov, A. M. ; Akulinkin, A. A. Panin, Victor E ; Fomin, Vasily M

AIP Conference Proceedings, 2020, Vol.2310 (1) [Periódico revisado por pares]

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Título:
The effect of Ta alloying on mechanical and tribological properties of Ti-Al-N coatings
Autor: Shugurov, A. R. ; Kuzminov, E. D. ; Kasterov, A. M. ; Akulinkin, A. A.
Panin, Victor E ; Fomin, Vasily M
Assuntos: Alloying effects ; Dry friction ; Grains ; Hardness ; Microstructure ; Modulus of elasticity ; Protective coatings ; Room temperature ; Titanium ; Tribology ; Wear resistance
É parte de: AIP Conference Proceedings, 2020, Vol.2310 (1)
Descrição: Microstructure, mechanical and tribological characteristics of Ti1–x–yAlxTayN coatings with y varied from 0 to 0.35 were studied. Wear tests were carried out at room temperature under dry friction conditions in the ball-on-disc geometry. Ta alloying was found to result in changes of the coating microstructure from V-shaped grains to columnar grains with vertical boundaries. The Ta alloyed coatings are characterized by lower hardness as compared with Ti1–xAlxN with no strong correlation between the hardness and the Ta content. In contrast, the Young's modulus exhibited overall decreasing trend with increasing y. Progressive decreasing of wear resistance of the coatings was revealed with increasing the Ta content.
Editor: Melville: American Institute of Physics
Idioma: Inglês

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