Effect of mass transfer and segregation on the formation of superhard nanostructured Ti-Hf-N(Fe) catings
A. D. PogrebnyakBelgorod State University, Belgorod, RussiaA.G. PonomarevBelgorod State University, Belgorod, RussiaД. А. КолесниковBelgorod State University, Belgorod, RussiaВ. М. БересневBelgorod State University, Belgorod, RussiaФ. Ф. КомаровBelgorod State University, Belgorod, RussiaS. S. Mel’nikSumy State University, Sumy, UkraineM. V. KaverinBelgorod State University, Belgorod, Russia
2012en
ABI
Annotatsiya
Superhard nanostructured Ti-Hf-N(Fe) coatings are prepared. The formation of local regions of (Ti, Hf)N, FeN, and Hf is detected using μ-PIXE (ion microbeam). It is revealed that the synthesized coatings have a nanohardness of 48 ± 1 GPa and are composed of nanograins with a size of 4.8–10.6 nm, which are enveloped by finer entities of other phases (Ti, Fe)N and FeN. There is a good correlation between the results derived by XRD, TEM, AFM, and SEM and microanalysis, which in turn are complemented by the analysis results obtained using an ion microbeam and PIXE.
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