The Formation of C-S Coatings by Electrospark Alloying with the Use Special Process Media-Reference-Cited by-同舟云学术

The Formation of C-S Coatings by Electrospark Alloying with the Use Special Process Media

Published:2024-02-15 Issue: Volume:355 Page:85-93
ISSN:1662-9779
Container-title:Solid State Phenomena
language:
Short-container-title:SSP

Author:

Haponova Oksana¹^ORCID,Tarelnyk Viacheslav²^ORCID,Tarelnyk Nataliia²,Kurp Piotr³^ORCID

Affiliation:

1. Sumy State University

2. Sumy National Agrarian University

3. Kielce University of Technology

Abstract

The paper presents an analysis of technologies for improving the quality parameters of the surface layers of parts, which were carried out by the method of electrospark alloying (ESA) and by additional saturation of surfaces with alloying elements from special process media (STM). The technology of sulfocementation was considered. Metallographic and hardness tests after sulfocementation by ESA showed that the treated surface consists of layers: "soft", hardened and base metal. As the discharge energy increases, the thickness, microhardness and integrity of the coating increase. The presence of sulfur in STM promotes the sulfidation process. It is shown that sulfur accumulates on the surface of the metal at a depth of up to 30 μm. This zone is characterized by reduced microhardness. A strengthened layer is formed under this layer, it has an increased carbon content and high microhardness.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/SSP.355.85.pdf

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