Modelado del efecto de rugosidad en la permeación de hidrógeno en un acero de bajo carbono

J. A. Carreño; I. Uribe; J. C. Carrillo

doi:10.3989/revmetalm.2003.v39.iExtra.1122

Modeling of roughness effect on hydrogen permeation in a low carbon steel

Authors

J. A. Carreño Escuela de Ingeniería Metalúrgica y Ciencia de Materiales. Grupo de Investigaciones en Corrosión. Línea de Hidrógeno en Materiales
I. Uribe Escuela de Ingeniería Metalúrgica y Ciencia de Materiales. Grupo de Investigaciones en Corrosión. Línea de Hidrógeno en Materiales
J. C. Carrillo Escuela de Matemáticas. Universidad Industrial de Santander

DOI:

https://doi.org/10.3989/revmetalm.2003.v39.iExtra.1122

Keywords:

Adsorption, Diffusion, Hydrogen, Permeation, Roughness, Solubility

Abstract

A model is presented to evaluate the effect of the roughness and the profile of concentration of hydrogen in a low carbon steel. The model takes advantage of the Fick's Second Law, to predict the transport of hydrogen in the steel. The problem is treated as a variational one and its space solution is made numerically by means of the Finite Elements Method, while the temporal equation is solved via the Finite Differences Method, in order to determine the concentration profiles of Hydrogen in the steel and to quantify the roughness effect. Simultaneously, bipotentiostatic hydrogen permeation test were performed to evaluate the coefficient of mass transfer.

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Published

2003-12-17

How to Cite

Carreño, J. A., Uribe, I., & Carrillo, J. C. (2003). Modeling of roughness effect on hydrogen permeation in a low carbon steel. Revista De Metalurgia, 39(Extra), 213–218. https://doi.org/10.3989/revmetalm.2003.v39.iExtra.1122

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Issue

Vol. 39 No. Extra (2003)

Section

Articles

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