Review of engineered tribological interfaces for improved boundary lubrication

Erdemir, Ali

doi:10.1016/j.triboint.2004.08.008

Cited by 475 publications

(245 citation statements)

References 31 publications

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“…Analysis of interaction at the joint for PEEK and Al 7075 alloys in robotic arms has been presented by Koike et al [140]. Erdemir [141] has recommended the texturing of surfaces to improve the retention of lubrication and provide superior wear resistance in the contact. The addition of surfactants is also expected to enhance the contact durability by modifying the surface characteristics of the contact [142,143].…”

Section: Durability In Harsh Environmentsmentioning

confidence: 99%

A review of friction models in interacting joints for durability design

2017

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This paper presents a comprehensive review of friction modelling to provide an understanding of design for durability within interacting systems. Friction is a complex phenomenon and occurs at the interface of two components in relative motion. Over the last several decades, the effects of friction and its modelling techniques have been of significant interests in terms of industrial applications. There is however a need to develop a unified mathematical model for friction to inform design for durability within the context of varying operational conditions. Classical dynamic mechanisms model for the design of control systems has not incorporated friction phenomena due to non-linearity behaviour. Therefore, the tribological performance concurrently with the joint dynamics of a manipulator joint applied in hazardous environments needs to be fully analysed. Previously the dynamics and impact models used in mechanical joints with clearance have also been examined. The inclusion of reliability and durability during the design phase is very important for manipulators which are deployed in harsh environmental and operational conditions. The revolute joint is susceptible to failures such as in heavy manipulators these revolute joints can be represented by lubricated conformal sliding surfaces. The presence of pollutants such as debris and corrosive constituents has the potential to alter the contacting surfaces, would in turn affect the performance of revolute joints, and puts both reliability and durability of the systems at greater risks of failure. Key literature is identified and a review on the latest developments of the science of friction modelling is presented here. This review is based on a large volume of knowledge. Gaps in the relevant field have been identified to capitalise on for future developments. Therefore, this review will bring significant benefits to researchers, academics and industry professionals.

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Section: Durability In Harsh Environmentsmentioning

confidence: 99%

A review of friction models in interacting joints for durability design

2017

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“…Furthermore, using these technologies facilitates the deposition of solid lubrication coatings with a wide range of thicknesses onto a variety of friction surfaces. This enables us to examine the tribological behavior and performance evolution mechanism of solid lubrication coatings, and significantly promotes the operating performance, service life, and reliability of the moving parts under extremely harsh operating and weather conditions [3].…”

Section: Design Preparation and Application Of Solid Lubrication Comentioning

confidence: 99%

Design and application of friction pair surface modification coating for remanufacturing

Wang¹,

Guo²,

Xu³

et al. 2017

Friction

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Friction, wear, and contact fatigue are the main causes of energy loss, material waste, and equipment failure. The aim of remanufacturing is to repair and modify the damaged equipment surface, and the surface coating is the major material that allows the remanufactured parts to be used in a new round of operation. Thus, the design and preparation of surface coatings are very important to repair, strengthen, or modify the friction pairs, in order to ensure long-term operation of the remanufactured parts. Recently, a lot of research on designing and preparing friction pair surface modification coatings has been conducted by the National Key Laboratory for Remanufacturing (NKLR). The research conducted achieved the following goals: the mechanism of micro/nano multilayer surface modification coatings with long-term efficacy life was revealed, and the corresponding design considerations and preparation methods of nanocrystalline micro tribological coatings were innovatively developed. A series of new "two-step" processes to prepare sulfide solid lubricating coatings were developed. The competitive failure mechanism of the surface coating in simultaneous wear and fatigue conditions was revealed, and some composite coatings with dual properties of wear resistance and fatigue resistance were prepared. Based on the stress distribution of friction surface contact areas and the piezoelectric effect, a failure warning intelligent coating is designed and developed. These coatings have been successfully applied to critical friction components, such as the spindle of large centrifugal compressors, engine cylinder piston components, and driver gear pairs.

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“…There are now several systems used as solid lubri cants which allows for both low friction and wear resis tance. These include diamond and diamond-like carbon, graphite, molybdenum disulfide, hexagonal boron nitride, boric acid as well as soft metals [37]. An interesting ex ample of a low friction wear-resistant coating consists of a composite coating made from a titanium nitride ma trix, TiN, with molybdenum sulphides, MoS x , dispersed as a second phase.…”

Section: Multifunctional Coatingsmentioning

confidence: 99%