Tribomechanical Properties of Polymeric Composites Based on Mixture of Ultra High Molecular Weight Polyethylene and Polyamide

Tribomechanical Properties of Polymeric Composites Based on Mixture of Ultra High Molecular Weight Polyethylene and Polyamide

Bibliographic Details
Parent link:Applied Mechanics and Materials: Scientific Journal
Vol. 770 : Urgent Problems of Up-to-Date Mechanical Engineering.— 2015.— [P. 87-92]
Corporate Author: Национальный исследовательский Томский политехнический университет (ТПУ) Институт физики высоких технологий (ИФВТ) Кафедра материаловедения в машиностроении (ММС)
Other Authors: Panin S. V. Sergey Viktorovich, Kornienko L. А., Thuc N. X., Ivanova L. R., Poltaranin M. A., Shilko S. V.
Summary:Title screen
In order to find out optimum filler to increase manufacturability (extrudability) of composites based on ultra-high molecular weight polyethylene (UHMWPE) matrix as well as to develop polymer-polymeric composites with improved tribological characteristics, the structure, mechanical properties and wear resistance of UHMWPE mixtures with elasticizing block-copolymer PA-b-LLDPE (UHMWPE + PA-b-LLDPE) was investigated under dry sliding friction. Applied aspect of the study is related to the selection of commercially available fillers being compatible with UHMWPE for manufacturing anti-frictional extrudable nanocomposites. It is shown that as compared with pure UHMWPE mechanical properties (ultimate strength, value of elongation at failure) do not vary substantially, but the wear rate under dry sliding friction of polymeric composites UHMWPE + n wt.% PA-b-LLDPE is reduced only when block copolymer weight fraction is less than <= 5 wt.%. By the polymeric filling an important technological characteristic - specific pressure of extrusion (that is proportional to melt flow index) might be decreased. Permolecular structure and wear track surfaces of polymer-polymer composites UHMWPE + n wt.% PA-b-LLDPE was examined and numerically characterized.
Режим доступа: по договору с организацией-держателем ресурса
Published: 2015
Series:Materials Science in Mechanical Engineering
Subjects:
электронный ресурс
труды учёных ТПУ
сополимеры
экструзия
надмолекулярные структуры
полиамиды
полиэтилен
износостойкость
Online Access:http://dx.doi.org/10.4028/www.scientific.net/AMM.770.87
Format: Electronic Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=643350

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