nucВестник НЯЦ РКNNC RK Bulletin1729-75161729-7885Национальный ядерный центр Республики Казахстан10.52676/1729-7885-2025-4-113-118nuc-919Research ArticleСтатьиИССЛЕДОВАНИЕ СТРУКТУРЫ И СВОЙСТВ ПОКРЫТИЙ, ПОЛУЧЕННЫХ МЕТОДОМ ЭЛЕКТРОДУГОВОЙ МЕТАЛЛИЗАЦИИ ПРИ РАЗЛИЧНЫХ СКОРОСТЯХ ПОДАЧИ ПРОВОЛОКИINVESTIGATION OF STRUCTURE AND PROPERTIES OF COATINGS OBTAINED BY ELECTRIC ARC METALLIZATION AT DIFFERENT WIRE FEED RATEShttps://orcid.org/0000-0001-5990-7123РахадиловБ. К.RakhadilovB. K.

Усть-Каменогорск

Ust-Kamenogorsk

 

rakhadilovb@mail.ruБүйіткеновД. Б.BuitkenovD. B.

Усть-Каменогорск

Ust-Kamenogorsk

https://orcid.org/0009-0001-7778-7767ӘпсежановаА. Қ.ApsezhanovaA. K.

Усть-Каменогорск

Ust-Kamenogorsk

akbotaapsezanova@gmail.comhttps://orcid.org/0000-0002-9941-9199МагазовН. М.MagazovN. M.

Усть-Каменогорск

Ust-Kamenogorsk

 

magazovn@mail.ruМолбосыновЕ. С.MolbossynovYe. S.

Усть-Каменогорск

Ust-Kamenogorsk

Восточно-Казахстанский технический университет им. Д. Серикбаева; ТОО «Plasma Science»КазахстанD. Serikbayev East Kazakhstan Technical University; “PlasmaScience” LLPKazakhstanВосточно-Казахстанский университет им. С. АманжоловаКазахстанS. Amanzholov East Kazakhstan UniversityKazakhstanВосточно-Казахстанский технический университет им. Д. СерикбаеваКазахстанD. Serikbayev East Kazakhstan Technical UniversityKazakhstan20250812202504113118Copyright © Рахадилов Б.К., Бүйіткенов Д.Б., Әпсежанова А.Қ., Магазов Н.М., Молбосынов Е.С., 20252025Рахадилов Б.К., Бүйіткенов Д.Б., Әпсежанова А.Қ., Магазов Н.М., Молбосынов Е.С.Rakhadilov B.K., Buitkenov D.B., Apsezhanova A.K., Magazov N.M., Molbossynov Y.S.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/919

В работе исследовано влияние скорости подачи проволоки на структуру и свойства покрытий, полученных методом электродуговой металлизации с использованием проволоки 30ХГСА. Покрытия наносились на подложки из стали 65Г при различных скоростях подачи (5, 7 и 9 см/с) с применением технологии сверхзвукового дугового напыления. Проведены микроструктурный анализ, ЭДС-картирование, рентгенофазовый анализ, измерения толщины покрытий, твёрдости, пористости и адгезии. Результаты показали, что увеличение скорости подачи проволоки приводит к увеличению толщины покрытия, однако влияет и на его однородность. При 5 см/с наблюдалась хорошая адгезия и равномерная структура при меньшей толщине. При 7 см/с достигнут оптимальный результат: толщина до 220 мкм, пористость 4,3%, твёрдость до 720 HV. При 9 см/с толщина возросла, но также увеличилась пористость и снизилась адгезия из-за турбулентного распыления. Таким образом, скорость подачи проволоки существенно влияет на качество покрытий, а её оптимизация позволяет управлять эксплуатационными характеристиками покрытий для применения в условиях повышенного абразивного износа. 

This study investigates the effect of wire feed rate on the structure and properties of coatings produced by electric arc metallization using 30KhGSA wire. The coatings were deposited onto 65G steel substrates at feed rates of 5, 7, and 9 cm/s using supersonic arc spraying. A comprehensive characterization was performed, including microstructural analysis, EDS mapping, X-ray diffraction, and evaluation of coating thickness, hardness, and porosity. The results indicate that an increase in wire feed rate leads to greater coating thickness but reduces structural homogeneity. At 5 cm/s, the coating exhibited a uniform microstructure and low porosity, though with limited thickness. The intermediate feed rate of 7 cm/s provided optimal properties, including balanced thickness (up to 220 µm), reduced porosity (4.3%), and high hardness (up to 720 HV). At 9 cm/s, further thickness growth was accompanied by turbulent deposition, resulting in increased porosity and structural defects. These results confirm that wire feed rate is a decisive factor in coating quality, and its optimization is essential for achieving durable and reliable protective layers.

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