The Effect of Aluminum-Oxide Powders on the Structure and Properties of Copper Electrodeposited Composite Coatings

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Abstract

Copper electrodeposited composite coatings containing two types of aluminum-oxide powders with different dispersities (alumina Al2O3-1 and electroexplosive aluminum-oxide nanopowder Al2O3-2) are obtained during the work. The studies show that introducing the powders leads to a change in the microstructure of the composites and a change in the grain growth principles during the formation of the coatings. Refinement and ordering of the grain structure of the coatings occurs and twinning defects and texture are formed. The change in the formation of the microstructure of the composites leads to a change in some operational characteristics: an increase in the microhardness (by 10% in the composites with the addition of alumina and by more than 30% in the coatings with electroexplosive aluminum oxide) and ultimate tensile strength (by 20% in the composites with Al2O3-1 and almost 1.5-fold in the samples with Al2O3-2).

About the authors

I. R. Volkova

Federal Research Center “Krasnoyarsk Science Center”, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia

Email: Iriny_24@mail.ru
Россия, 660036, Красноярск, Академгородок, 50

L. E. Tyryshkina

Federal Research Center “Krasnoyarsk Science Center”, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia; Siberian Federal University, 660041, Krasnoyarsk, Russia

Email: Iriny_24@mail.ru
Россия, 660036, Красноярск, Академгородок, 50; Россия, 660041, Красноярск, пр. Свободный, 79

M. N. Volochaev

Federal Research Center “Krasnoyarsk Science Center”, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia

Email: Iriny_24@mail.ru
Россия, 660036, Красноярск, Академгородок, 50

A. N. Zaloga

Siberian Federal University, 660041, Krasnoyarsk, Russia

Email: Iriny_24@mail.ru
Россия, 660041, Красноярск, пр. Свободный, 79

K. A. Shabanova

Federal Research Center “Krasnoyarsk Science Center”, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia; Reshetnev Siberian State University of Science and Technology, 660037, Krasnoyarsk, Russia

Email: Iriny_24@mail.ru
Россия, 660036, Красноярск, Академгородок, 50; Россия, 660037, Красноярск, пр-т. им. газеты “Красноярский рабочий”, 31

A. V. Ovchinnikov

Reshetnev Siberian State University of Science and Technology, 660037, Krasnoyarsk, Russia

Email: Iriny_24@mail.ru
Россия, 660037, Красноярск, пр-т. им. газеты “Красноярский рабочий”, 31

A. I. Lyamkin

Federal Research Center “Krasnoyarsk Science Center”, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia; Siberian Federal University, 660041, Krasnoyarsk, Russia

Author for correspondence.
Email: Iriny_24@mail.ru
Россия, 660036, Красноярск, Академгородок, 50; Россия, 660041, Красноярск, пр. Свободный, 79

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Copyright (c) 2023 И.Р. Волкова, Л.Е. Тырышкина, М.Н. Волочаев, А.Н. Залога, К.А. Шабанова, А.В. Овчинников, А.И. Лямкин