nucВестник НЯЦ РКNNC RK Bulletin1729-75161729-7885Национальный ядерный центр Республики Казахстан10.52676/1729-7885-2024-3-91-104nuc-695Research ArticleСтатьиВЛИЯНИЕ ВАРЬИРОВАНИЯ РАССТОЯНИЯ НАПЫЛЕНИЯ НА СТРУКТУРНО-ФАЗОВОЕ СОСТОЯНИЕ И МЕХАНО-ТРИБОЛОГИЧЕСКИЕ СВОЙСТВА ПОКРЫТИЙ НА ОСНОВЕ 86WC-10CO-4CR, ПОЛУЧЕННЫХ МЕТОДОМ HVOFINFLUENCE OF VARYING THE SPRAYING DISTANCE ON THE STRUCTURAL-PHASE STATE AND MECHANOTRIBOLOGICAL PROPERTIES OF 86WC-10Co-4Cr-BASED COATINGS OBTAINED BY THE HVOF METHODhttps://orcid.org/0000-0001-5990-7123РахадиловБ. К.RakhadilovB. K.

Усть-Каменогорск

Ust-Kamenogorsk

rakhadilovb@mail.ruhttps://orcid.org/0000-0002-4823-6640МуктановаН.MuktanovaN.

Усть-Каменогорск

Ust-Kamenogorsk

 

muktanovan@gmail.comhttps://orcid.org/0000-0001-9453-0456КакимжановД. Н.KakimzhanovD. N.

Усть-Каменогорск

Kazakhstan

dauir_97@mail.ruВосточно-Казахстанский университет им. Сарсена АманжоловаКазахстанSarsen Amanzholov East Kazakhstan UniversityKazakhstanВосточно-Казахстанский технический университет им. Даулета Серикбаева; ТОО “PlasmaScience”КазахстанDaulet Serikbayev East Kazakhstan Technical University; “PlasmaScience” LLPKazakhstan2024300920240391104Copyright © Рахадилов Б.К., Муктанова Н., Какимжанов Д.Н., 20242024Рахадилов Б.К., Муктанова Н., Какимжанов Д.Н.Rakhadilov B.K., Muktanova N., Kakimzhanov D.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://journals.nnc.kz/jour/article/view/695

В работе приводятся результаты металлографического и трибологического исследования покрытий 86WC-10Co-4Cr, полученных методом HVOF на установке Termikа-3 при варьировании расстояния напыления. Изучается влияние расстояния напыления на микроструктуру покрытия, фазовый состав, а также механические и трибологические свойства. Фазовый состав, микроструктура и распределение элементов анализировались с применением методов рентгеновской дифракции (РФА), сканирующей электронной микроскопии (СЭМ) и энергодисперсионной спектроскопии (ЭДС). Твердость образцов измерялась на микротвердомере по методу Виккерса, коэффициент трения и степень износа исследовались с использованием измерителя трения и износа. Согласно результатам исследования, установлено, что оптимальным расстоянием напыления для нанесения покрытий 86WC-10Co-4Cr с улушенными характеристиками износостойкости и твердости, а также с низкой пористостью, является 300 мм.

This paper presents the results of a metallographic and tribological study of 86WC-10Co-4Cr coatings obtained by the HVOF method on the Termika-3 unit at varying spraying distances. The influence of spraying distance on the coating microstructure, phase composition, as well as mechanical and tribological properties, was studied. The phase composition, microstructure and elemental distribution were analyzed using X-ray diffraction, scanning electron microscopy and energy dispersive spectroscopy techniques. The hardness was measured on a Vickers microhardness tester, the friction coefficient and wear rate were investigated using a tribometer. According to the results of the study, it was found that the optimum spraying distance for 86WC-10Co-4Cr coatings with improved wear resistance and hardness characteristics and low porosity is 300 mm.

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The authors declare that there are no conflicts of interest present.