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Механические свойства сверхвысокомолекулярного полиэтилена, наполненного неорганическими микрочастицами

Механические свойства сверхвысокомолекулярного полиэтилена, наполненного неорганическими микрочастицами

Abstract

Представлены результаты исследований моделирующей искусственный сустав пары трения «сверхвысокомолекулярный полиэтилен, наполненный неорганическими микрочастицами - сплав CoCrMo». Оптимизировано содержание наполнителя по критериям прочности и износостойкости. Показана целесообразность формирования в зоне трения физических полей, моделирующих биополе сустава. Предложен механизм их участия в формировании «третьего тела», компонентом которого является биосовместимый коллоидный графит. Обоснована возможность снижения усталостных повреждений поверхностного слоя полимерной детали трения за счет повышения площади касания, снижения концентрации напряжений, направленного перераспределения частиц износа в зоне трения под действием поля частиц магнитного наполнителя. The results of investigations are presented in modeling rubbing of the friction pair ultra-high molecular weight polyethylene filled by inorganic microparticles against a CoCrMo alloy. The filler content has been optimized by the strength and wear resistance criteria. The expediency of forming biophysical fields in the friction zone to simulate the biofield of the articulation is proved. A mechanism is proposed of their participation in formation of the third body phenomenon in the presence of biocompatible colloidal graphite. A probability is substantiated of lowering fatigue damage on the surface layer of the polymer friction component by way of enlarging the contact area, reduction of contact stress, and directed redistribution of wear debris in the friction zone under the effect of the magnetic filler particles.

Keywords

Wear resistance, Износостойкость, Полимерный вкладыш, Inorganic fillers, Неорганические наполнители, Polymer insert, Biophysical field, Биофизическое поле

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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
Green