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Steel in Translation
Published in: Steel in Translation 3/2020

01-03-2020

Fragmentation of Nonmetallic Inclusions during Local Remelting upon Laser Steel Processing

Authors: S. I. Gubenko, I. A. Nikul’chenko

Published in: Steel in Translation | Issue 3/2020

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Abstract

In this paper, we study the features of partial dissolution and contact melting of nonmetallic inclusions under conditions of anomalous mass transfer that promotes their fragmentation in the surface layer of hardened steel products. The mechanisms and conditions for laser melting of inclusions, mechanical destruction of solid and liquid inclusions, and the formation of satellite particles are discussed. Inclusion fragmentation upon laser processing is shown to determine the steel hardening level. Based on a study of fast melting and solidification, laser processing changes the structure and properties of nonmetallic inclusions in the surface hardened layers of steel products. The use of the obtained results will allow the development of laser processing modes, thus affecting the size, structure, distribution and content of nonmetallic inclusions in the hardened layers of the products.
previous article Structural Suitability Analysis of Metals and Alloys: Communication 2

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Metadata
Title
Fragmentation of Nonmetallic Inclusions during Local Remelting upon Laser Steel Processing
Authors
S. I. Gubenko
I. A. Nikul’chenko
Publication date
01-03-2020
Publisher
Pleiades Publishing
Published in
Steel in Translation / Issue 3/2020
Print ISSN: 0967-0912
Electronic ISSN: 1935-0988
DOI
https://doi.org/10.3103/S0967091220030043

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