CLASSIFICATION OF STRENGTHENING TECHNOLOGIES, COVERING AND RESTORATION OF FUEL EQUIPMENT DETAILS OF DIESEL ENGINES-Reference-Cited by-同舟云学术

CLASSIFICATION OF STRENGTHENING TECHNOLOGIES, COVERING AND RESTORATION OF FUEL EQUIPMENT DETAILS OF DIESEL ENGINES

Published:2019-10-30 Issue:3 Volume:14 Page:128-132
ISSN:2073-0462
Container-title:Vestnik of Kazan State Agrarian University
language:en
Short-container-title:

Author:

Шарифуллин Саид¹,Sharifullin Said²,Адигамов Наиль³,Adigamov Nail⁴,Тополянский Павел⁵,Topolyanskiy Pavel⁶,Байниязова Акмарал³,Bayniyazova Akmaral⁴

Affiliation:

1. Казанский (Приволжский) федеральный университет

2. Kazan (Volga) Federal University

3. Казанский государственный аграрный университет

4. Kazan State Agrarian University

5. ООО "Плазмацентр"

6. LLC “Plazmatsentr”

Abstract

During operation, any technical product with friction units, as parts wear out, loses its working capacity and as a result cannot perform the specified functions with the parameters, established by the requirements of technical documentation. Today, the technological capabilities of manufacturing various machines and mechanisms have been exhausted throughout the world without noticeable wear on the mating surfaces of friction units. Depreciation is practically impossible to exclude. Therefore, a search for new ways to extend the life of technical devices by exposing them to friction surfaces is an urgent task. These requirements apply to the fuel equipment of automotive and combine diesel engines. In this paper, we analyze the known covering technologies for hardening and restoration of fuel equipment parts. The methodology of choosing the optimal covering process with the aim of hardening and restoration of parts of fuel equipment is formulated. In accordance with this concept of choosing a technology to increase the durability of fuel equipment parts, plasma finish hardening with the application of multilayer wear-resistant coatings is a promising technology. The paper presents the results of a study of the physicomechanical properties of diamond-like coverings of the DLCPateks type (a-C:H/a-SiOCN) obtained on friction surfaces by transporting an atomic and molecular stream of particles of liquid chemical compounds by a plasma jet of an atmospheric pressure plasma arc torch. The layer formed on the working surfaces is a non-metallic amorphous multilayer covering with a low coefficient of friction, increased microhardness, chemical inertness, hydrophilicity, high heat resistance and dielectric characteristics. In order to minimize possible defectiveness of the base material at the final stage of manufacturing parts of fuel equipment, it is proposed to apply thin-film coatings on them.

Publisher

Infra-M Academic Publishing House

Reference13 articles.

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