Аннотация:The structure and thermal stability of Ni-doped (Fe1-xNix)75C25 (x=0; 0.01; 0.03; 0.05; 0.10; 0.15; 0.20) cementite obtained by mechanical alloying and subsequent annealing of Fe, Ni, and C elemental pure components have been studied by means of Mӧssbauer spectroscopy. X-ray diffraction and magnetic measurements.