1 Introduction</h5> The production of high-performance self-lubricating composites containing second-phase particles incorporated into their volume is a promising technique for controlling friction and wear in modern energy-efficient mechanical systems [1–5] .</P>Composite self-lubricating components have been used for several decades in household and light office equipment such as printers, electric shavers, drills and blenders. There are several possible manufacturing routes for producing such composites, in polymeric, metallic or even ceramic matrices [6–8] . The most frequently used metallic matrix materials are copper  , nickel  and ferrous [11,12] alloys. Compounds such as MoS 2 , WS 2 , MoSe 2 , NbS 2 , TaSe 2 , MoTe 2 , h-BN, low-melting metals such as Ag, Sn and Pb, graphite and polytetrafluorethylene (PTFE) are most frequently used as solid lubricants [2,3,13,14] . The majority of the composites developed in the past contained a high percentage of solid lubricant particles (15–40%) to obtain a low friction coefficient. This resulted in a largely discontinuous metallic matrix that exhibited poor mechanical properties.</P>Fig. 1 presents a schematic drawing of the ideal microstructure of a self-lubricating composite. The microstructure must consist of a continuous matrix containing regularly dispersed solid lubricant particles and take
Tribology International – Elsevier
Published: Feb 1, 2014
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