title: ÐÐ¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð²Ð»Ð¸ÑÐ½Ð¸Ñ Ð»Ð¸Ð½ÐµÐ¹Ð½Ð¾Ð³Ð¾ ÐºÐ¾ÐºÑÐ° Ð½Ð° ÑÑÑÑÐºÑÑÑÐ½ÑÐµ Ð¸Ð·Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ Ð¿ÑÐ¸ Ð°Ð´Ð³ÐµÐ·Ð¸Ð¾Ð½Ð½Ð¾Ð¼ Ð¸Ð·Ð½Ð°ÑÐ¸Ð²Ð°Ð½Ð¸Ð¸ Ð¿Ð¾Ð»Ð¸ÑÐµÑÑÐ°ÑÑÐ¾ÑÑÑÐ¸Ð»ÐµÐ½Ð°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Modelling the effect of linear coke on structural changes in adhesive wear of polytetrafluoroethylene
Creators: name: Ð¦Ð·ÑÐ½ Ð®Ð¹ÑÑÐ½
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2023
Subjects: ÑÑÐµÐ½Ð¸Ðµ
Ð¸Ð·Ð½Ð¾Ñ
Ð¼Ð¾Ð»ÐµÐºÑÐ»ÑÑÐ½Ð¾-Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð¾Ð´Ðµ-Ð»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
ÑÐ´Ð²Ð¸Ð³Ð¾Ð²Ð¾Ðµ Ð´Ð²Ð¸Ð¶ÐµÐ½Ð¸Ðµ
Ð°Ð´Ð³ÐµÐ·Ð¸Ð¾Ð½Ð½Ð¾Ðµ Ð¸Ð·Ð½Ð°ÑÐ¸Ð²Ð°Ð½Ð¸Ðµ
friction
wear
molecular dynamic modelling
shear motion
adhesion

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description: This paper focuses on research: Modeling the influence of the filler on the increase of wear resistance of PTFE-based composites by the method of molecular dynamics. Objectives that were addressed during the study: 1. Construct molecular models of PTFE and F4K20 and carry out a comparative study of the filler effect on the surface layer structure. 2. Carry out wear simulation of PTFE and F4K20 and compare the structural change at wear occurrence. Polytetrafluoroethylene is widely used in different fields of industry to produce plain bearings. Intensive development of mechanical engineering requires application of new polymeric composite materials with increased wear resistance. For this purpose deep understanding of mechanisms of interaction of fillers with polymer matrix is necessary. In this work the wear peculiarities of polymer-fluoroethylene and its filled composite based on PTFE + 20% coke at friction are considered with the help of mo-lecular dynamic modeling. A three-layer molecular model containing iron atoms as upper and lower layers and PTFE or PTFE + 20% coke as middle salt was construct-ed. Molecular motion of PTFE and PTFE + 20% coke by the opposite shear motion of iron layers was investigated. It is shown that the average PTFE concentration change near the top layer is approximately 2.5 times higher than PTFE + 20% coke and the average PTFE concentration near the top layer is approximately 34% higher compared to the average PTFE + 20% coke concentration before the occurrence of wear. The molar mass of wear of PTFE will equal the molar mass of wear of PTFE + 20% coke approximately 30% higher after adhesion wear.