Structure Changes in Superaustenitis Steel During Long-Term Annealing

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Authors	SVOBODA Milan SOPOUŠEK Jiří VŘEŠŤÁL Jan
Year of publication	2002
Type	Article in Proceedings
Conference	Procedings of the VIII Seminar Diffusion and Themodynamics of Materials
MU Faculty or unit	Faculty of Informatics
Citation
Field	Physical chemistry and theoretical chemistry
Keywords	ThernoCalc;phase;equilibrium
Description	From the poinnt of view of technology, the long-tem annealing, connected with diffusion of substitutional elements and corresponding structure development, is very important, because it influences the longevity of materials in exploitation conditions. Therefore, the structural study was performed on austenitic anticorrosion steels Avesta 254 SMO and Nicrofer 3033 after annealing 700stC/3188 hrs. Camparision was made with previous results obtained after annealing 700stC/500hrs. Structure development is compared with calculated phase diagram.
Related projects:	The thermodynamics of equilibrium states and kinetics of phase transformations in the transition metals based systems with N and C