The Influence of the Elemental Composition on the Mechanical and Tribological Properties of TiAlN Coatings

被引：0
|
作者：
Kraynova, E. O. [1 ]
Grenadyorov, A. S. [1 ]
Semenov, V. A. [1 ]
Solovyev, A. A. [1 ]
机构：
[1] RAS, Inst High Current Elect, SB, Tomsk, Russia
来源：
HIGH ENERGY CHEMISTRY | 2024年 / 58卷 / SUPPL3期
关键词：
TiAlN; HiPIMS; hardness; wear resistance;
D O I：
10.1134/S0018143924701145
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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 H-3/E-2 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 x 10(-8) mm(3) N-1 m(-1)) is observed for the coating with an Al/Ti ratio equal to 0.58.
引用
收藏
页码：S344 / S348
页数：5
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