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Water-lubricated polymer is attracting more and more interest from the industry. Adding nanoparticles is considered to be an effective way to improve the tribological performance. In this work, water-lubricated Polyetheretherketone (PEEK)-steel contacts were employed as the objects of study. A careful comparative study was made by investigating the effect of adding graphene oxide (GO) into water or...
Three kinds of leaf-surface waxes are extracted from the leaves of Euonymus japonicas (EJ), Sabina chinensis (SC) and Sabina procumbens (SP) to be tested for their tribological properties. Lubricating oils containing these 3 waxes respectively were analyzed via gas chromatography-mass spectrometer (GC-MS) for their chemical constituents and tested with friction and wear testing machine and time of...
Carbon nanofiber (CNF) was treated with HNO 3 , coupling agent and HNO 3 followed by coupling agent, respectively. The friction and wear properties of surface-treated CNF were investigated on a ring-on-ring friction and wear tester under dry friction conditions. Scanning electron microscopy (SEM) was utilized to study the worn surfaces of PTFE composites. Experimental results showed...
The friction and wear behavior of polytetrafluoroethylene (PTFE) filled with potassium titanate whiskers (PTW) was studied. It is shown that the friction coefficient of PTW/PTFE composites decreases with the increase of PTW content and with 20wt% PTW content, the best wear resistance occurs, which is over 1000 times larger than that of pure PTFE. The crystallization of the composite was measured by...
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