Manufacturing Technology 2024, 24(5):834-842 | DOI: 10.21062/mft.2024.079

Effects of Laser Shock Peening Technology on Stress Corrosion Cracking of Austenitic Steel

Jana Zavitkovská ORCID..., Zdeněk Fulín ORCID..., Zbyněk ©pirit ORCID...
Centrum výzkumu Řeľ s.r.o., Hlavní 130, Řeľ, 250 68 Husinec, Czech Republic

This article deals with the modification of surface properties of austenitic steels using laser shock peening (LSP) technology. This technology introduces residual compressive stresses into the surface layer. These stresses improve the technical properties of the material not only by affecting the re-sistance of corrosion cracking under stress. The aim of the work was to influence the austenitic steel 08CHN10T by LSP technology, to perform a corrosion test in a boiling MgCl2 solution and the sub-sequent evaluation of these tests. Furthermore, the hardness was measured of the peened part of the material by LSP technology and unpeened part.

Keywords: LSP, 08CH18N10T, Corrosion, Stress corrosion cracking, Residual stress
Grants and funding:

The presented results were obtained using the CICRR infrastructure financially supported by the Ministry of Education, Youth and Sports
The presented work has been realized within Institutional Support by Ministry of Industry and Trade of the Czech Republic. The experimental results were obtained in the framework of sub-objective 12 of this project

Received: December 11, 2023; Revised: October 3, 2024; Accepted: October 22, 2024; Prepublished online: November 27, 2024; Published: November 28, 2024  Show citation

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Zavitkovská J, Fulín Z, ©pirit Z. Effects of Laser Shock Peening Technology on Stress Corrosion Cracking of Austenitic Steel. Manufacturing Technology. 2024;24(5):834-842. doi: 10.21062/mft.2024.079.
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