Colloidal Stability and Rheological Behavior of h‐BN Nanoparticles in Transmission Oil
Sherzod AbdurakhmonovTashkent Institute of Chemical Technology Tashkent UzbekistanMastura ARIPOVATashkent Institute of Chemical Technology Tashkent UzbekistanOdiljon AbdurakhmonovTashkent Institute of Chemical Technology Tashkent UzbekistanNurbek RakhimovKarshi State Technical University Karshi UzbekistanUtkirjon SharopovPhysical‐Technical Institute Tashkent UzbekistanZukhra C. KadirovaUzbekistan–Japan Innovation Center of Youth, UJICY Tashkent UzbekistanShokhrukh SayfulloevNational University of Uzbekistan Tashkent UzbekistanSalohiddin RAMAZANOVTermez State University of Engineering and Agrotechnologies Termez UzbekistanWang Hay KanInstitute of High Energy Physics Chinese Academy of Sciences Beijing ChinaTonni Agustiono KurniawanCollege of the Environment and Ecology Xiamen University Xiamen Fujian China
2026en
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ABI
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ABSTRACT Nanocrystalline hexagonal boron nitride (h‐BN) nanoparticles were synthesized from boric acid and urea by two‐stage thermal treatment and dispersed in automatic transmission fluid (ATF) DEXRON III using sodium dodecyl sulfate (SDS). Structural characterization confirmed crystalline h‐BN with a particle size of 5.4 ± 1.2 nm and d (0 0 2) = 0.332 nm. Increasing h‐BN concentration from 0.03 to 0.06 wt.% increased hydrodynamic aggregate size from 10–20 to 1–2 µm, decreased the absolute zeta potential from 35–45 to 8–15 mV, and increased viscosity. The 0.03 wt.% dispersion showed the most favorable colloidal stability and rheological behavior.
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