Electrochemical hydrogen permeation measurement during cyclic stress testing of a ferritic chromium steel

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Abstract: In the present work, the hydrogen diffusion during cyclic stress testing in the ferritic chromium steel 1.4521 (X2CrMoTi18‐2) is investigated. Therefore, electrochemical hydrogen permeation measurements are carried out on a hollow cylinder geometry. Simultaneously an alternating stress is applied using a stress ratio of R=‐1. At low stress amplitudes, no influence on the diffusion behaviour of hydrogen is found. At a higher stress amplitude, close to the macroscopic yield strength, a delayed hydrogen permeation by a factor of two is observed. It is postulated that this observation is a result of the nucleation of new hydrogen traps during the measurement. Hydrogen content measurements using carrier gas hot extraction support this hypothesis.

Alternative title: Elektrochemische Messung der Wasserstoffpermeation während einer mechanischen Wechselbelastung für einen ferritischen Chromstahl

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Electrochemical hydrogen permeation measurement during cyclic stress testing of a ferritic chromium steel ; volume:55 ; number:6 ; year:2024 ; pages:751-757 ; extent:7
Materials science and engineering technology ; 55, Heft 6 (2024), 751-757 (gesamt 7)

Creator: Vatter, Jannik
Jung, B.
Oechsner, M.

DOI: 10.1002/mawe.202300093

URN: urn:nbn:de:101:1-2407031416198.679714975572

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 14.08.2025, 10:45 AM CEST

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Vatter, Jannik
Jung, B.
Oechsner, M.

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Electrochemical hydrogen permeation measurement during cyclic stress testing of a ferritic chromium steel

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Other Objects (12)

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