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Surface Engineering and Applied Electrochemistry

Published in:

01-04-2024

Composition, Structure, and Wear Resistance of Surface Nanostructures Obtained by Electric Spark Alloying of 65G Steel

Authors: E. V. Yurchenko, G. V. Ghilețchii, S. A. Vatavu, V. I. Petrenko, D. Harea, C. Bubulinca, A. I. Dikusar

Published in: Surface Engineering and Applied Electrochemistry | Issue 2/2024

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Abstract—

A combination of X-ray diffraction and X-ray fluorescence analysis has shown that the strengthened layer formed during electric spark alloying of 65G steel with a processing electrode made of the T15K6 hard alloy is a nanocrystalline material, the ratio of the crystalline and amorphous phases in which is achieved by changing the discharge energy. Since an increase in discharge energy leads to an increase in surface roughness and its amorphization, there is an optimal value of discharge energy at which maximum wear resistance of the resulting nanocomposites is achieved. At E = 0.2 J, the wear resistance of the hardened layer is 7–10 times higher than the wear resistance of the untreated surface.

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Title: Composition, Structure, and Wear Resistance of Surface Nanostructures Obtained by Electric Spark Alloying of 65G Steel
Authors: E. V. Yurchenko
G. V. Ghilețchii
S. A. Vatavu
V. I. Petrenko
D. Harea
C. Bubulinca
A. I. Dikusar
Publication date: 01-04-2024
Publisher: Pleiades Publishing
Published in: Surface Engineering and Applied Electrochemistry / Issue 2/2024
Print ISSN: 1068-3755
Electronic ISSN: 1934-8002
DOI: https://doi.org/10.3103/S1068375524020145

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