[Kovove materialy - Metallic materials]
    Thu - March 28, 2024 - 23:57 No. of hits : 1736509 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 6

Theoretical and experimental study of phase equilibria in austenitic steels (in Slovak)
HOMOLOVA, V., ZAHUMENSKY, P., KROUPA, A.
vol. 38 (2000), no. 6, pp. 365 - 375

Abstract
In this work thermodynamic equilibria for a Fe-Cr-Mo-Ni-C system were calculated and compared with those determined experimentally in examined austenitic stainless steels. Calculations of equilibria were realized by means of PD-pp software package in temperature range 850-1350 K. Modelling of thermodynamic equilibria is based on the Hillert-Staffansson sublattice model. The M23C6 carbide was experimentally found to be the most stable phase. On the other hand, intermetallic phases σ and Laves are present in equilibria at lower temperatures only. The M6C carbide is in thermodynamic equilibrium only in the steel with the highest carbon content. Performed calculations are in reasonable agreement with experiment.

Key words
Hillert-Staffansson sublattice model, phase equilibria, austenitic steel

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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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