The effect of steel substrate pre-hardening on structural, mechanical, and tribological properties of magnetron sputtered TiN and TiAlN coatings

被引：59
作者：
Komarov, F. F. [1 ]
Konstantinov, V. M. [2 ]
Kovalchuk, A. V. [2 ]
Konstantinov, S. V. [1 ]
Tkachenko, H. A. [2 ]
机构：
[1] Belarusian State Univ, Inst Appl Phys Problems, 7 Kurchatov Str, Minsk, BELARUS
[2] Belarusian Natl Tech Univ, Nezavisimosty Ave 65, Minsk, BELARUS
来源：
WEAR | 2016年 / 352-353卷
关键词：
Nanostructured coatings TiN; TiAlN; Magnetron sputtering; Substrate pre-hardening; Hardness and mechanical properties; THIN-FILMS; HARD; RESISTANCE; MICROSTRUCTURE; OXIDATION; MODULUS; LOAD;
D O I：
10.1016/j.wear.2016.02.007
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The effect of pre-hardening of steel substrate on mechanical and tribological properties of TiN and TiAlN coating-steel substrate composites was studied for various treatment conditions. We have found that prior nitrocarburization of the steel substrate increases the microhardness by 7 times, the wear resistance of the working surface of the composite up to 2.3 times, the resilience of the composite by 4.5 times. It is thus feasible to produce thinner coatings in composite layered systems with no drawbacks regarding performance. We also suggest a method to determine wear resistance of the deposited coatings, as well as to estimate the influence of the hardness gradient and contribution of all layers to overall durability of such layered systems. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：92 / 101
页数：10
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