Laser treatment of SiC-C5Si3 ceramics in N2-O2 medium | Zendy

М. Vlasova | Zendy; A. Márquez | Zendy; M. Kakazey | Zendy; T. Tomila | Zendy; А. И. Быков | Zendy; A. V. Ragulya | Zendy

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Laser treatment of SiC-C5Si3 ceramics in N2-O2 medium

Author(s) -

М. Vlasova,

A. Márquez,

M. Kakazey,

T. Tomila,

А. И. Быков,

A. V. Ragulya

Publication year - 2005

Publication title -

science of sintering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.309

H-Index - 25

eISSN - 1820-7413

pISSN - 0350-820X

DOI - 10.2298/sos0503217v

Subject(s) - materials science , microanalysis , ceramic , silicon , irradiation , scanning electron microscope , analytical chemistry (journal) , precipitation , diffraction , laser , spectroscopy , composite material , metallurgy , optics , chemistry , physics , organic chemistry , chromatography , quantum mechanics , meteorology , nuclear physics

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 formed. On the base of ablative products in the zone of precipitation the film was formed

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