润滑油
材料科学
摩擦学
干润滑剂
二硫化钼
涂层
纳米技术
润滑
抛光(金属)
航空航天
韧性
机械工程
复合材料
航空航天工程
工程类
抛光
作者
Sheikh Haris Mukhtar,Amir Gulzar,Shahid Saleem,M.F. Wàňi,Rakesh Sehgal,A. A. Yakovenko,I. G. Goryacheva,Mukund Dutt Sharma
标识
DOI:10.1016/j.triboint.2023.109194
摘要
Molybdenum disulfide (MoS2) has gained significant attention due to its exceptional properties, which include a low friction coefficient, high wear resistance, and excellent thermal stability, contingent upon specific conditions. This review paper offers a thorough analysis of the literature with a focus on space applications, emphasizing the vital significance of solid lubrication and the rise of MoS2 as the most exceptional lubricant. Various deposition methods, such as burnishing, bonded coatings, and sputtering (PVD) have been thoroughly explored to fabricate high-quality MoS2 coatings with enhanced properties, such as improved elastic modulus, hardness, adhesion, and density. The paper further delves into experimental and computational modelling techniques, which have been effectively employed to gain profound insights into the fundamental mechanisms governing the mechanical and tribological behaviour of MoS2 coatings. Theoretical models pertaining to indentation, friction, and wear have been analysed in detail, contributing to a comprehensive understanding of the coating performance. This review comprehensively discusses the different doping elements and nano-composites which play an important role in enhancing the MoS2 properties in space applications, especially in humid conditions. A detailed discussion regarding the change in structural morphology, due to the addition of alloying elements which in turn influence the mechanical and tribological behaviour of MoS2 coatings, has been incorporated. The valuable insights offered in this review provide practical guidance for the design and fabrication of high-performance coatings that exhibit improved reliability and longevity in the demanding space environments. Therefore, this comprehensive review consolidates the knowledge on MoS2 as an exceptional solid lubricant for aerospace applications.
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