Hydrogen diffusion under the effect of stress and temperature gradients

Zhang, Zhichao, Ayas, Can, Popovich, Vera and Peeters, Jurriaan (2021) Hydrogen diffusion under the effect of stress and temperature gradients. Journal of Physics: Conference Series, 2116 (1). 012037. ISSN 1742-6588

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Official URL: https://doi.org/10.1088/1742-6596/2116/1/012037

Abstract

In this paper, a finite element (FE) model is developed to investigate lattice hydrogen diffusion in a solid metal under the influence of stress and temperature gradients. This model is applied to a plate with a circular hole which is subjected to temperature and hydrogen concentration gradients. It is demonstrated that temperature gradients significantly influence hydrogen diffusion and hence susceptibility to hydrogen embrittlement when utilizing hydrogen for gas turbines.

Item Type: Article
Additional Information: 8th European Thermal Sciences Conference (EUROTHERM 2021), Virtual, 20-22 Sep 2021
Subjects: F200 Materials Science
H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: John Coen
Date Deposited: 09 Dec 2021 11:30
Last Modified: 09 Dec 2021 11:30
URI: http://nrl.northumbria.ac.uk/id/eprint/47942

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