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Surface modified (NH 4 ) 3 PMo 12 O 40 nanoparticles were synthesized in a mixture solution of water–ethanol with cetyltrimethyl ammonium bromide as a modifying agent. The morphology, structure and thermal properties of modified (NH 4 ) 3 PMo 12 O 40 nanoparticles were investigated by means of transmission electron microscopy, X-ray powder...
The tribological behaviors of various long chain organic molecule LB films, organic molecule modified inorganic nanoparticle LB films, and the C 60 -LB films were systematically investigated. The correlation between the structure and tribological behavior of the LB films has been explored, while the structural changes of the LB films during friction process were analyzed with Fourier...
The tribological properties of imidazoline borate at different concentration and different load in water were evaluated using a four-ball test machine. The tribological test results showed that the imidazoline borates have good load carrying capacity and lubrication property. The rubbed surfaces were investigated using X-ray photoelectron spectroscopy (XPS) and electron probe microanalyzer (EPMA)...
A cis-9-octadecenoic acid (OA) surface-modified TiO 2 nanoparticle with average diameter of 30nm was chemically synthesized. The tribological properties of the prepared OA-TiO 2 nanoparticle as an additive in water were evaluated with a four-ball tester. The results show that the OA-TiO 2 nanoparticle exhibits good antiwear and friction reduction properties as well as load-carrying...
A LaF 3 nanoparticle surface coated by organic compounds containing S and P was synthesized by the chemical surface modification method. The particle size and structure were characterized using a transmission electron microscope (TEM) and electron diffraction (ED), their tribological behaviors were evaluated on a four-ball machine. The results showed that LaF 3 nanoparticles as an...
The Langmuir-Blodgett (LB) films of fatty acids including stearic acid (SA), arachidic acid (AA) and behenic acid (BA) and that of MoS 2 nanoparticles modified with dialkyldithiophosphate were prepared on a glass substrate. The tribological properties of the LB films were systematically investigated, and the structural changes of the LB films during friction process were analyzed with Fourier...
A 2-ethyl hexoic acid (EHA) surface-modified TiO 2 nanoparticle with an average diameter of 5 nm was chemically synthesized. The friction-reduction and antiwear behaviors of the prepared EHA-TiO 2 as an oil additive in liquid paraffin were evaluated with a four-ball wear tester. The rubbed surfaces after friction tests were investigated with X-ray photoelectron spectroscopy (XPS)....
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