Funct. Mater. 2013; 20 (4): 477-484.
Structure and strength characteristics of dispersion-hardened composite foils (films) based on iron and nickel
National Technical University "Kharkov Polytechnical Institute", 21 Frunze Str., 61002 Kharkov, Ukraine
Effects of hardening components (W, SiO, Al2O3, and ZrO2) on structure and physical-mechanical characteristics of Fe and Ni composites were studied. The content of the hardening phases was up to 2 vol.%. It was shown experimentally that physical-mechanical characteristics of the prepared nano- crystalline materials were defined by the structure and inhomogeneous distribution of the hardening phase within a grain. The reasons for high thermal stability of the nano-composites were established. The factors determining the nano-composite relaxation resistibility and resources for its increasing were revealed.
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