20.500.12556/RUL-154844 Vrednotenje stabilnosti organskih modifikatorjev trenja v različnih baznih oljih Evaluation of the stability of organic friction modifiers in different base oils Maziva so ključnega pomena za mazanje mehanskih sistemov in so zato podvržena nenehnemu razvoju. Sestavljena so iz baznega maziva in aditivov. Mešanica baznega maziva in aditivov mora biti za učinkovito mazanje, stabilna. V diplomski nalogi sta bili uporabljeni dve metodi za preučevanje stabilnosti mešanic in ena za prikaz vpliva stabilnosti mešanic na koeficient trenja. Pri večini mešanic se motnost z višanjem temperature, zmanjšuje, torej se aditiv raztaplja. Mešanice z perfluorotetradekanojsko kislino postanejo bistrejše kasneje, kot mešanice z tetradekanojsko kislino. Razlika v koeficientu trenja med baznim mazivom in mešanico z aditivom, je pri nižjih temperaturah večja. Lubricants are indispensable in everyday life and are of crucial importance for the lubrication of mechanical systems and are therefore subject to constant further development. They consist of base oil and additives. The mixture of base oil and additives must be stable for effective lubrication. Two methods were used in the diploma thesis to investigate the stability of mixtures and one to show the effect of mixture stability on the coefficient of friction. In most mixtures, the turbidity decreases with increasing temperature (the additive dissolves). Mixtures with perfluorotetradecanoic acid become clearer later than mixtures with tetradecanoic acid. The difference in the coefficient of friction between the base lubricant and the mixture with the additive is greater at lower temperatures. bazna maziva organski modifikatorji trenja stabilnost mešanic turbidimetrija motnost koeficient trenja base lubricants organic friction modifiers stability of mixtures turbidimetry turbidity friction coefficient true false false [M. Skubic] Slovenski jezik Angleški jezik Diplomsko delo/naloga 2024-03-06 07:30:35 2024-03-06 07:30:37 2024-03-12 08:58:05 0000-00-00 00:00:00 2024 0 Ljubljana 0 XVIII, 49 str. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 677.044.17:621.891:665.765(043.2) 259987 188483843 32873.pdf 32873.pdf 1 1025F9B3AFDEF176C9DED0D78B10A30A f0a9c16f6d16a05bf0e13c8c35aed23b4e9569949ba2dd89d4247a28828708d0 0b533636-db83-11ee-bf12-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=181464 Fakulteta za strojništvo 0 0 0