Aplikace termodynamických výpočtů fázových rovnováh pro vysvětlení změn v mikrostruktuře ochranných povlaků na bázi niklu

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Title in English	Application of thermodynamic calculations of phase equilibria for explanation of microstructure changes of Ni-based protective coatings
Authors	BROŽ Pavel BAUFELD Bernd BARTSCH Marion
Year of publication	2005
Type	Article in Proceedings
Conference	V. Pracovní setkání fyzikálních chemiků a elektrochemiků
MU Faculty or unit	Faculty of Science
Citation
Field	Physical chemistry and theoretical chemistry
Keywords	thermodynamics; phase equilibria; diffusion; Ni-base alloys; protective coatings
Description	Material consisting of substrate IN100 and protective coating involving elements NiAlCrCoY was studied after testing in the TGMF apparatus and another set of samples was studied after annealing at the temperatures 770-1100 C and 24 hours without the mechanical load. Final microstructure, phase ratios and their chemical compositions were investigated by means of scanning and transmission electron microscopy (SEM, TEM). The microstructure changes were explained on the base of theoretical calculations of phase diagrams for the systems under investigation using software package ThermoCalc for calculations of phase equilibria.
Related projects:	Theoretical and experimental study of Ni-based model systems and thermodynamic description of phase equilibria Physical and chemical properties of advanced materials and structures