| Autor: |
Danilova SN; North-Eastern Federal University, 677000 Yakutsk, Russia., Yarusova SB; Institute of Chemistry, Far Eastern Branch, Russian Academy of Sciences, 690022 Vladivostok, Russia.; Vladivostok State University of Economics and Service, 690014 Vladivostok, Russia., Kulchin YN; Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia., Zhevtun IG; Institute of Chemistry, Far Eastern Branch, Russian Academy of Sciences, 690022 Vladivostok, Russia., Buravlev IY; Institute of Chemistry, Far Eastern Branch, Russian Academy of Sciences, 690022 Vladivostok, Russia.; Far Eastern Federal University, 8, Sukhanova St., 690091 Vladivostok, Russia., Okhlopkova AA; North-Eastern Federal University, 677000 Yakutsk, Russia., Gordienko PS; Institute of Chemistry, Far Eastern Branch, Russian Academy of Sciences, 690022 Vladivostok, Russia., Subbotin EP; Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia. |
| Abstrakt: |
This paper studied the effect of additives of 0.5-20 wt.% synthetic CaSiO 3 wollastonite on the thermodynamic, mechanical, and tribological characteristics and structure of polymer composite materials (PCM) based on ultra-high-molecular weight polyethylene (UHMWPE). Using thermogravimetric analysis, X-ray fluorescence, scanning electron microscope, and laser light diffraction methods, it was shown that autoclave synthesis in the multicomponent system CaSO 4 ·2H 2 O-SiO 2 ·nH 2 O-KOH-H 2 O allows one to obtain neeindle-shaped nanosized CaSiO 3 particles. It was shown that synthetic wollastonite is an effective filler of UHMWPE, which can significantly increase the deformation-strength and tribological characteristics of PCM. The active participation of wollastonite in tribochemical reactions occurring during friction of PCM by infrared spectroscopy was detected: new peaks related to oxygen-containing functional groups (hydroxyl and carbonyl) appeared. The developed UHMWPE/CaSiO 3 materials have high wear resistance and can be used as triboengineering materials. |
