Tribological behavior of TiN, AlTiN, and AlTiCrN coatings in atmospheric and vacuum environments

IF 6.3 1区工程技术 Q1 ENGINEERING, MECHANICAL

Friction Pub Date : 2024-08-29 DOI:10.1007/s40544-024-0930-3

Youn-Hoo Hwang, Kuk-Jin Seo, Tae-Hyeong Kim, You Jin Min, Yuzhen Liu, Dae-Eun Kim

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Abstract

In this study, the tribological characteristics of TiN, AlTiN, and AlTiCrN coatings sliding against a SUS420J1 stainless steel pin were investigated in atmospheric and vacuum environments. The coatings were deposited on SUS440C substrates using the arc-physical vapor deposition technique. The friction and wear behavior of the coatings were evaluated based on the systematic analyses of the friction coefficient data as well as the physical and chemical state of the wear track. The results revealed that the friction coefficients of the SUS440C specimen and AlTiCrN coatings increased, whereas those of the TiN and AlTiN coatings decreased when the environment was changed from atmospheric to vacuum. It was confirmed that the formation of an oxide layer and adsorption of oxides on the surface were dominant factors that influenced the tribological behavior in the atmospheric environment. On the other hand, the compatibility, oxidation inhibition, and droplets of the surface mainly affected the frictional characteristics in the vacuum environment. The results of this work are expected to aid in the selection of proper coating materials for tribological systems operating in a vacuum.

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TiN、AlTiN 和 AlTiCrN 涂层在大气和真空环境中的摩擦学行为

本研究调查了在大气和真空环境下，TiN、AlTiN 和 AlTiCrN 涂层在 SUS420J1 不锈钢销钉上滑动的摩擦学特性。涂层采用电弧物理气相沉积技术沉积在 SUS440C 基材上。根据对摩擦系数数据以及磨损轨迹的物理和化学状态的系统分析，对涂层的摩擦和磨损行为进行了评估。结果表明，当环境从大气变为真空时，SUS440C 试样和 AlTiCrN 涂层的摩擦系数增大，而 TiN 和 AlTiN 涂层的摩擦系数减小。结果证实，氧化层的形成和表面对氧化物的吸附是影响大气环境下摩擦学行为的主要因素。另一方面，表面的相容性、氧化抑制和液滴主要影响真空环境下的摩擦特性。这项工作的结果预计将有助于为在真空环境中运行的摩擦学系统选择合适的涂层材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Friction Engineering-Mechanical Engineering

CiteScore

12.90

自引率

13.20%

发文量

324

审稿时长

13 weeks

期刊介绍： Friction is a peer-reviewed international journal for the publication of theoretical and experimental research works related to the friction, lubrication and wear. Original, high quality research papers and review articles on all aspects of tribology are welcome, including, but are not limited to, a variety of topics, such as: Friction: Origin of friction, Friction theories, New phenomena of friction, Nano-friction, Ultra-low friction, Molecular friction, Ultra-high friction, Friction at high speed, Friction at high temperature or low temperature, Friction at solid/liquid interfaces, Bio-friction, Adhesion, etc. Lubrication: Superlubricity, Green lubricants, Nano-lubrication, Boundary lubrication, Thin film lubrication, Elastohydrodynamic lubrication, Mixed lubrication, New lubricants, New additives, Gas lubrication, Solid lubrication, etc. Wear: Wear materials, Wear mechanism, Wear models, Wear in severe conditions, Wear measurement, Wear monitoring, etc. Surface Engineering: Surface texturing, Molecular films, Surface coatings, Surface modification, Bionic surfaces, etc. Basic Sciences: Tribology system, Principles of tribology, Thermodynamics of tribo-systems, Micro-fluidics, Thermal stability of tribo-systems, etc. Friction is an open access journal. It is published quarterly by Tsinghua University Press and Springer, and sponsored by the State Key Laboratory of Tribology (TsinghuaUniversity) and the Tribology Institute of Chinese Mechanical Engineering Society.