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- Title
The Influence of the Elemental Composition on the Mechanical and Tribological Properties of TiAlN Coatings.
- Authors
Kraynova, E. O.; Grenadyorov, A. S.; Semenov, V. A.; Solovyev, A. A.
- Abstract
This work investigates the dependence of the mechanical and tribological properties of TiAlN coatings on the Al/Ti ratio. The coatings were obtained by dual high power impulse magnetron sputtering of metallic Ti and Al targets. It is shown that the hardness of TiAlN coatings with an Al/Ti ratio ranging from 0.04 to 0.77 is 30 ± 1 GPa. As the Al content increases, the modulus of elasticity decreases from 400 to 330 GPa, while the resistance to plastic deformation H3/E2 and the plasticity index H/E increase (from 0.19 to 0.28 GPa and from 0.08 to 0.09, respectively). The best wear resistance of the coating (wear rate of 8.4 × 10‒8 mm3 N‒1 m‒1) is observed for the coating with an Al/Ti ratio equal to 0.58.
- Subjects
MAGNETRON sputtering; ELASTIC modulus; WEAR resistance; MECHANICAL wear; MATERIAL plasticity
- Publication
High Energy Chemistry, 2024, Vol 58, pS344
- ISSN
0018-1439
- Publication type
Academic Journal
- DOI
10.1134/S0018143924701145