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Получение и исследование механических свойств композиционного полимерного материала на основе сверхвысокомолекулярного полиэтилена и наночастиц модифицированного аэросила

Получение и исследование механических свойств композиционного полимерного материала на основе сверхвысокомолекулярного полиэтилена и наночастиц модифицированного аэросила

Abstract

The work presents the results of investigation of physical-mechanical properties of composites on the basis of ultrahigh molecular weight polyethylene (UHMWPE) with Aerosil with modified titanium nitride nanolayers. Valuation determination of modulus of elasticity by the study of uniaxial tensile strength, hardness and resistance to abrasion of samples of nanocomposites UHMWPE with Aerosil modified with titanium nitride nanolayers allows to make a conclusion that the optimal degree of filling is about 10 mass %, where the material has a maximum value of modulus of elasticity and the yield strength. Some decrease of hardness in the case of UHMWPE with modified Aerosil with titanium nitride layers compared with UHMWPE filled with modified Aerosil may be associated with the fullness of vaccinations of alkyl hydroxysilil groups on the surface of nanoparticles filler. These data offer prospects of application of composites based on UHMWPE with modified Aerosil with titanium nitride nanolayers as materials of a tribotechnical purpose.

В работе представлены результаты исследования физико-механических свойств композитов на основе сверхвысокомолекулярного полиэтилена (СВМПЭ) с аэросилом, модифицированным титаннит-ридными нанослоями. Определение модуля упругости при исследовании на одноосное растяжение, твёрдости и стойкости к абразивному износу образцов нанокомпозитов СВМПЭ с аэросилом, модифицированным титаннитридными слоями, позволяет сделать вывод, что оптимальная степень наполнения составляет около 10 мас. %, когда материал имеет максимальные значения модуля упругости и предела текучести. Некоторое уменьшение твёрдости в случае СВМПЭ с модифицированным аэросилом с титаннитридными слоями по сравнению с СВМПЭ, наполненным модифицированным аэросилом, может быть связано с полнотой прививки алкилоксисилильных групп на поверхность наночастиц наполнителя. Полученные данные открывают перспективы использования композитов на основе СВМПЭ с модифицированным аэросилом с титаннитридными слоями в качестве материалов триботехнического назначения.

Keywords

НЕПОРИСТЫЙ КРЕМНЕЗЁМ (АЭРОСИЛ), НАНОЧАСТИЦЫ, ОРГАНИЧЕСКИЕ ФУНКЦИОНАЛЬНЫЕ ГРУППЫ, ТИТАННИТРИДНЫЕ НАНОСЛОИ, МЕХАНИЧЕСКИЕ СВОЙСТВА, NON-POROUS SILICA (AEROSIL)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold