Phase Composition of the Surface Zone of Nitrided Cast Steels and Their Mechanical Properties |
| K. Brzózkaa, T.W. Budzynowskib and B. Górkaa
aDepartment of Physics, Faculty of Mechanical Engineering, Technical University of Radom, Krasickiego 54, 26-600 Radom, Poland bInstitute of Machines Building, Faculty of Mechanical Engineering, Technical University of Radom, Krasickiego 54, 26-600 Radom, Poland |
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| Conversion: electron Mössbauer spectroscopy and structural X-ray diffractometry have been used to study nitrides formation in the surface layer of cast steels subjected previously to low-temperature nitriding. It has been found that creation of iron-nitrogen phases strongly depends on sample composition. Nitrides: γ'-Fe4N and ε-Fe2-3N arise in the course of the nitriding procedure in most investigated cast steels. Moreover, considerable changes in their microstructure and tribological properties occur. The depth profile of nitrides has been derived for selected cast steel. |
| DOI: 10.12693/APhysPolA.119.28 PACS numbers: 61.66.Dk, 81.65.Lp, 81.40.-z, 76.80.+y, 61.05.cp, 68.37.-d, 81.40.Pq |