Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Effects of Electrochemical Hydrogen Charging on Charpy Impact Toughness and Dry Sliding Tribological Behavior of AISI 316H Stainless Steel

Ladislav Falat
* ORCID logo ,
Lucia Čiripová
ORCID logo ,
Ondrej Petruš
,
Viktor Puchý
ORCID logo ,
Ivan Petryshynets
,
Karol Kovaľ
,
Róbert Džunda
ORCID logo
Version 1 : Received: 27 July 2023 / Approved: 28 July 2023 / Online: 31 July 2023 (10:36:17 CEST)

A peer-reviewed article of this Preprint also exists.

Falat, L.; Čiripová, L.; Petruš, O.; Puchý, V.; Petryshynets, I.; Kovaľ, K.; Džunda, R. The Effects of Electrochemical Hydrogen Charging on Charpy Impact Toughness and Dry Sliding Tribological Behavior of AISI 316H Stainless Steel. Crystals 2023, 13, 1249. Falat, L.; Čiripová, L.; Petruš, O.; Puchý, V.; Petryshynets, I.; Kovaľ, K.; Džunda, R. The Effects of Electrochemical Hydrogen Charging on Charpy Impact Toughness and Dry Sliding Tribological Behavior of AISI 316H Stainless Steel. Crystals 2023, 13, 1249.

Abstract

In this work a solution-annealed AISI 316H grade austenitic stainless steel was studied in terms of investigating the electrolytic hydrogen charging effects on the resulting Charpy impact toughness and dry sliding tribological behavior. Conventional Charpy impact bending tests were employed to study the mechanical response of the investigated material to dynamic loading conditions, whereas dry linear sliding tribological tests were used to study the material friction and wear behavior. The obtained mechanical and tribological properties were correlated with corresponding fracture and tribological mechanisms determined from morphological observations of fracture surfaces and tribological tracks. The applied testing procedures were individually carried out for the non-hydrogenated, hydrogen-charged, and dehydrogenated material conditions. The observed changes of individual properties due to applied hydrogen charging were rather small which indicated good resistance of the solution-annealed AISI 316H steel against material degradation in currently used electrolytic hydrogenation conditions.

Keywords

austenitic steel; hydrogen charging; impact toughness; tribology

Subject

Engineering, Mechanical Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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