[Kovove materialy - Metallic materials]
    Thu - March 28, 2024 - 17:04 No. of hits : 1736431 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 38 (2000), Issue 2

The redistribution in hydrogen in steel weldments. Part II. The Fe-H-C-i ferrite/austenite type weldments (in Czech)
PILOUS, V., FORET, R., STRANSKY, K.
vol. 38 (2000), no. 2, pp. 116 - 129

Abstract
A new analytical quasistationary diffusion model of hydrogen and carbon diffusion in Fe-H-C-i ferrite/austenite type weldments is presented. The new model is presented in the form of a system of the analytical relations and its presented variant presumes the stationary redistribution of substitution elements. Using the thermodynamic, diffusion and phases data, it is possible, by means of these relations, to calculate carbon and hydrogen concentration curves in the ferrite/austenite steel structure weldments at different temperature and time of annealing. Limiting conditions for possible applications of the presented quasistationary model in the above-mentioned welding joints are discussed.

Key words
steel weldments, dissimilar Fe-H-C-i ferrite/austenite, different temperature and time, hydrogen redistribution, quasistationary model, thermodynamic data, hydrogen solubility, carbon and hydrogen redistribution

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
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