The Effect of Graphene Oxide Deposition, Shot Peening, and Hybrid Graphening on the Structural and Mechanical Properties of 30HGSA Steel
Sebastian Stabryn, Barbara Nasiłowska, Robert Szczepaniak, Mateusz Mucha, Grzegorz Mońka, Tomasz Rygier, Wojciech Chrzanowski, Maciej Chrunik, Piotr Olejnik, Marta Kutwin, Zdzisław Bogdanowicz
TL;DR
This paper shows how coating and peening steel with graphene improves its strength and performance for aerospace use.
Contribution
A new hybrid graphitization method combining graphene oxide coating and shot peening is introduced for steel strengthening.
Findings
Hybrid graphitization increases surface roughness and compressive stress in 30HGSA steel.
Bending strength of treated steel is 43% higher than the base material.
Hybrid graphitization outperforms other surface treatments in mechanical properties.
Abstract
This publication presents the performance properties of 30HGSA steel after various surface treatments involving hybrid graphene coating, shot peening, and graphene oxide coating, and of the material in its delivery state used in aerospace structures. Performance tests were carried out on the structure, measuring surface roughness, microhardness, corrosion, residual stresses and bending strength for all surface treatments. It has been demonstrated that hybrid graphitization results in increased surface roughness, increased compressive stress and a beneficial increase in the bending strength of the sample compared to other research groups. A new method of strengthening steel surfaces by hybrid graphitization, consisting of coating the steel surface with graphene oxide and shot peening, has been described. The mechanism of hybrid graphitization affecting the increase in the performance…
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Taxonomy
TopicsSurface Treatment and Residual Stress · Metal and Thin Film Mechanics · Diamond and Carbon-based Materials Research