Determination of Mechanical and Tribotechnical Characteristics of Coatings in Laser Broadband Cladding of Steels

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Abstract

The paper considers the results of metallographic and tribotechnical tests of 20X13 steel samples and 20X13 steel samples with laser broadband cladding with 20X13 powder. The deposited layer had a dendritic differently oriented structure. The microhardness of the coating was 501–575 HV. It was found that the wear rate of the cladded coating is 3.16 times lower than that of the base material. The wear rate of the counter sample made of hardened steel 45 was lower in the friction pair with the cladded sample compared to the base material. The average friction factors for the cladded samples were 0.043, and for the base material was 0.078. The performance of broadband laser cladding is 5–7 times higher than when processing with a defocused beam.

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About the authors

Vladimir P. Biryukov

Mechanical Engineering Research Institute of the Russian Academy of Sciences

Author for correspondence.
Email: laser-52@yandex.ru
ORCID iD: 0000-0001-9278-6925

Cand. of Sciences (Tech.), Leading Researcher

Russian Federation, Moscow

Yaroslav A. Goryunov

Mechanical Engineering Research Institute of the Russian Academy of Sciences

Email: laser-52@yandex.ru

Postgraduate Student

Russian Federation, Moscow

Andrey N. Miryakha

Inject Research and Production Enterprise LLC

Email: laser-52@yandex.ru
ORCID iD: 0009-0009-7922-5520

Head of the Group

Russian Federation, Saratov

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2. Fig. 1. Microsection of the track of diode laser cladding of steel

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3. Fig. 2. Dependence of the microhardness of the 20X13 powder cladding on the thickness of the cladded layer

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4. Fig. 3. Microstructure of the 20X13 powder cladding layer

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Copyright (c) 2025 Biryukov V.P., Goryunov Y.A., Miryakha A.N.