[Kovove materialy - Metallic materials]
    Wed - October 09, 2024 - 17:46 No. of hits : 1789557 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 37 (1999), Issue 5

Measurement of carbon diffusion coefficients in Fe-C-Cr steels by chromatographic method (in Czech)
KUCERA, J., HAJDUGA, M.
vol. 37 (1999), no. 5, pp. 303 - 313

Abstract
In the present paper it is shown that the diffusion coefficients of carbon in chromium steels at high temperatures can be measured by the use of a chromatograph coupled onto a thermobalance. This method is suitable especially in the case of steels containing higher content of carbon. The values of D's measured in low carbon Fe-C-Cr steels have rather qualitative character. However, all the values of D measured in the present work agree well with the diffusion coefficients D(βCi) calculated on the basis of a model of Wagner's type.

Key words
carbon diffusion, Fe-C-Cr steels, oxidation, 1100 °C, O2 + N atmosphere, chromatograph, thermobalance

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.


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