NDLI: Investigation of tribological properties of composite C$

Content Provider	Springer Nature Link
Author	Yang, Guanghong Zhang, Xingtang Xun, Jun Jiang, Xiaohong Zhang, Pingyu Du, Zuliang
Copyright Year	2006
Abstract	Composite C$_{60}$-LB films were fabricated by the Langmuir-Blodgett (LB) technique, their micro-structures, micro-and macro-tribological properties were investigated using atomic force microscope/friction force microscope (AFM/FFM). The results showed that in the confined C$_{60}$-LB films there were two kinds of structures for the special C$_{60}$ assembly: grain diameters of one kind were in the range of 150–230 nm; the other was smaller than 20 nm. Micro-tribological studies showed that topographical images of tiny C$_{60}$ aggregates (<20 nm) were consistent with their frictional ones very well, namely, low friction occurred on tiny C$_{60}$ aggregates compared with fatty chains LB monolayer, and ‘Micro-rolling effect’ was apparent; but for big large ones frictional forces were relatively high and ‘ratchet mechanism’ was seen apparently. Macro-tribological data proved large C$_{60}$ aggregates had wear resistance and load-carrying capacities and anti-wear lives for composite C$_{60}$-LB films were prolonged greatly with dispersibility of C$_{60}$ improved and its grain diameter reduced. Tiny C$_{60}$ aggregates were mainly the lubricating agents. Friction coefficients of composite C$_{60}$-LB films gradually reduced with loads increasing having the same friction coefficient-load relations with boundary lubrication films.
Starting Page	1811
Ending Page	1817
Page Count	7
File Format	PDF
ISSN	10016538
Journal	Chinese Science Bulletin
Volume Number	51
Issue Number	15
e-ISSN	18619541
Language	English
Publisher	Science in China Press
Publisher Date	2006-01-01
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	composite C$_{60}$-LB films aggregates tribological properties Micro-rolling effect ratchet mechanism Science Chemistry/Food Science Geosciences Life Sciences Physics Engineering
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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