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Водородостойкие защитные материалы для деталей трения машин и оборудования, работающих в техногенных водородсодержащих средах

Водородостойкие защитные материалы для деталей трения машин и оборудования, работающих в техногенных водородсодержащих средах

Abstract

Представлены результаты теоретических, методологических и экспериментальных исследований механизма изнашивания, методов упрочнения и восстановления деталей узлов трения, работающих в контакте с биохимически активными техногенными водородсодержащими средами. Одним из эффективных способов повышения износостойкости подобных деталей является формирование на их рабочей поверхности защитных покрытий из самофлюсующихся сплавов или композиционных материалов на их основе с добавлением медной компоненты газотермическим напылением. Установлено, что добавление определенного количества меди приводит к образованию многокомпонентного покрытия трехслойной структуры, обладающего биоцидными свойствами, замедляющими биохимическое разрушение поверхностного слоя благодаря образовавшейся сервовитной пленки, снижающей проникновение водорода.

The paper contains results of theoretical, methodological and experimental investigations of wearing mechanism, strengthening methods and restoration of friction unit parts operating in contact with biochemically-active technogenic hydrogen-containing media. One of the most efficient methods for better wearresistance of such parts is a formation of protective coatings on their working surfaces using self-fluxing alloys or composite materials on their basis while adding a copper component by gas-thermal spraying. It is established that an addition of a definite quantity of copper leads to formation of multi-component coating of three-layer structure having biocide properties that retard biochemical destruction of a surface coating owing to formed servo-like film that lowers a hydrogen penetration.

Keywords

ВОДОРОДНОЕ ИЗНАШИВАНИЕ,ВОДОРОДОСТОЙКИЕ ПОКРЫТИЯ,ПОКРЫТИЯ,ИЗНОСОСТОЙКОСТЬ,ДЕТАЛИ МАШИН,ВОССТАНОВЛЕНИЕ

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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