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Hydrogen Diffusion Coefficient and Modelling of Hydrogen Behaviour in Welded Joints of Structural Steels

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Abstract

Modelling investigations, conducted to evaluate the influence of diffusion controlling factors on hydrogen behaviour in welded joints, are described. It was found that neglecting or exaggerating influence of these factors when plotting the temperature dependences of hydrogen diffusion coefficient could result in unreliable modelling solutions for hydrogen behaviour. Creation of databases with general diffusion data for small groups of steels and weld metals with similar alloying contents is suggested as a possible solution of the problem of correct accounting the influence of diffusion controlling factors.

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  1. Technical University of Sofia, Bulgaria

    B. T. Alexandrov

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  1. B. T. Alexandrov
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Alexandrov, B.T. Hydrogen Diffusion Coefficient and Modelling of Hydrogen Behaviour in Welded Joints of Structural Steels. Weld World 47, 21–29 (2003). https://doi.org/10.1007/BF03266397

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