Abstract:By methods of X-ray diffraction, electron microscopy, atomic force microscopy and X-ray microanalysis, IR-spectroscopy the influence of IR laser irradiation (1064 nm, 175 W) on a target consisting of a SiC-Cr5Si3 ceramic composite was investigated. Irradiation of samples was carried out in N2+O2 medium at a pressure of 2 at. It was established that the surface temperature is ~ 2000 K. Silicon and silica are evaporated from the surface and during gas medium transit silicon oxide and silicon oxynitride are forme… Show more
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