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Исследование причин отказа датчика угла маршевых двигателей ракет-носителей

Исследование причин отказа датчика угла маршевых двигателей ракет-носителей

Abstract

Актуальность и цели. Объектом исследования являются датчики угла маршевых двигателей ракет-носителей. Цель работы определение причин отказа датчиков при проведении периодических испытаний. Материалы и методы. Исследование проводилось методами растровой электронной микроскопии и рентгеноспектрального микроанализа, позволившими проанализировать микроструктуру контактной пары датчика и определить химический состав продуктов износа. Результаты. Были получены данные по износу контактной пары датчика, вызванного попаданием абразивных частиц на рабочую контактную поверхность. На основе полученных данных были сделаны практические рекомендации с целью предотвращения отказов датчика, вызванных повышенным износом его резистивного элемента. Выводы. В процессе исследования были выявлены причины отказов датчиков, вызванных повышенным износом резистивных элементов из-за попадания абразивных частиц на рабочую контактную поверхность.

Background. The research object is angle sensors sustainer engines of lanch-vehicles. The aim of the work is to determine the cause of sensor failures during periodic testing. Materials and methods. The study was conducted by scanning electron microscopy and X-ray microanalysis that allowed to analyze the microstructure of a contact pairs of a sensor and to determine the chemical composition of wear debris. Results. The author obtained data on sensor’s contact pair wear, caused by appearance of abrasive particles on the working contact surface. Based on the data the researcher made practical recommendations to prevent failures of the sensor, caused by excessive wear and tear of its resistive element. Conclusions. The study identified the causes of failures of sensors due to increased wear of resistive elements, caused ingress of abrasive particles on the working contact surface.

Keywords

ПОТЕНЦИОМЕТР,РЕЗИСТИВНЫЙ ЭЛЕМЕНТ,ПОДВИЖНЫЙ КОНТАКТ,КОНТАКТНАЯ ПАРА,ИЗНОС,ПРОДУКТЫ ИЗНОСА,POTENTIOMETER,RESISTIVE ELEMENT,MOVABLE CONTACT,CONTACT PAIR,WEAR,WEAR PRODUCTS

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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