NDLI: Tribological Performance and Lubrication Mechanism of Alumina Nanoparticle Water-Based Suspensions in Ball-on-Three-Plate Testing

Content Provider	Springer Nature Link
Author	He, Anshun Huang, Shuiquan Yun, Jung Ho Wu, Hui Jiang, Zhengyi Stokes, Jason Jiao, Sihai Wang, Lianzhou Huang, Han
Copyright Year	2017
Abstract	The lubrication performance of alumina (Al$_{2}$O$_{3}$) nanoparticle water-based suspensions was systematically investigated using a ball-on-three-plate testing configuration with alloy steel on stainless steel contact. The size and concentration of Al$_{2}$O$_{3}$ nanoparticle were varied to obtain optimal performance. The effects of testing load, sliding speed and contact surface roughness on the lubrication performance of the Al$_{2}$O$_{3}$ suspensions were investigated. It was found that 1 to 2 wt.% 30 nm Al$_{2}$O$_{3}$ nanoparticle suspensions showed up to 27% friction and 22% wear reduction, in comparison with water glycerol solution. Under different testing conditions, the suspensions also showed noticeably more stable and improved tribological performance. Wear mark analysis revealed that during tribological testing the nanoparticles formed a layer of dynamically balanced tribo-thin film, preventing the direct contact between asperities of alloy steel ball and stainless steel plate. The nanoparticles were also believed to fill up the trenches of the plate surface through mending effect and carry the wear debris induced in running-in period to avoid abrasive wear.
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
ISSN	10238883
Journal	Tribology Letters
Volume Number	65
Issue Number	2
e-ISSN	15732711
Language	English
Publisher	Springer US
Publisher Date	2017-02-09
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Alumina Nanoparticle Nano-scale friction Water-based Ball-on-three-plate Tribology, Corrosion and Coatings Surfaces and Interfaces, Thin Films Theoretical and Applied Mechanics Physical Chemistry Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Mechanics of Materials Mechanical Engineering Surfaces and Interfaces

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