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Friction and wear behavior of a thermoplastic polyimide (PI) and its mesoporous silica (MPS) reinforced nanocomposite was investigated at temperatures up to 300°C in dry sliding against GCr15 steel. Experimental results showed that elevated temperature produced significant promoting effect on the tribological properties of pure PI. Specific wear rate of the PI at temperatures up to 300°C was reduced...
Polytetrafluoroethylene (PTFE) transfer films formed on the surface of Q235 carbon steel were studied using scanning electron microscopy (SEM), energy dispersive spectrometry (EDS), X-ray photoelectron spectroscopy (XPS), molecular dynamics (MD), and density functional theory (DFT) calculations. Changes in the chemical composition of the transfer film were analyzed using XPS measurements. Mechanisms...
To improve the sliding friction and wear properties of the fabric self-lubricating liner for journal bearings, conventional and reinforced liners were prepared to investigate the influence of weft density on the friction and wear properties of the liner under heavy load conditions using the self-lubricating liner performance assessment tester. The tribological results showed that the weft density...
The nano Serpentine-Potassium Acetate (Ser-KAc) organic intercalation compound was prepared by treating the nano-serpentine particles with potassium acetate through ultrasonication vibration. Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry–thermogravimetry (DSC–TG), and X-ray diffractometry (XRD) were performed to study the effects of the ultrasonication power, ultrasonication...
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