Prospects for protective coating of machine parts

Yusufov, A. R.; Абачараев, И. М.; Sanaev, N. K.

doi:10.3103/s1068798x10040064

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“…R. Yusufova и др. [17] в своей работе предлагают для повышения адгезионной и когезионной прочности покрытий нанесенных на шейки коленчатого вала плазменным напылением, увеличения их срока службы и снижения затрат на осуществление процесса, использовать детанационные волны, магнитное поле, а также интенсивное диффузионное насыщение при использовании специализированной металлической смазки с легкоплавкими добавками.…”

Section: автор для ведения переписки 1 состояние вопроса исследования...unclassified

Evaluation of the Efficiency of a Promising Combined Technolo-Gy for Recovery of Crankshaft Joints of Engines of Timber Trucks

Posmetev¹,

Kadyrmetov²,

Никонов³

2022

Voronezh Scientific-Technical Bulletin

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The negative consequences of exploitation of logging road trains in difficult road and climatic conditions are considered. It has been established that the largest share of failures during the operation of a timber hauling train falls on its engine. Possible defects of the crankshaft, which contribute to the failure of the engine of a logging road train, are described. The expediency of the process of restoration of crankshafts of engines is substantiated. The analysis of the results of the study of foreign authors in the field of development and improvement of various methods for restoring the main and connecting rod journals of the crankshafts of engines is carried out. Among them, the most progressive method of restoration was revealed, which consists in the plasma deposition of coatings of specified properties on the main and connecting rod journals of the crankshafts. In order to increase the efficiency of the coatings obtained by plasma spraying, a combined method for the simultaneous deposition and hardening of the coating is proposed. A preliminary assessment was made on the basis of mathematical modeling of the main physical and mechanical properties of coatings obtained using this technology. The wear resistance of coatings obtained on the developed laboratory installation using compared technologies has been studied.

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Section: автор для ведения переписки 1 состояние вопроса исследования...unclassified