Search academic texts

Information × Registration Number 0223U000918, 0121U109812 , R & D reports Title Physics of processes of structure and composition control in multi-element ceramic and metal-ceramic solids under powerful pulse radiation and thermal exposure popup.stage_title Head Lytovchenko Serhii V., Доктор технічних наук Registration Date 21-01-2023 Organization V.N. Karazin Kharkiv National University popup.description2  Targets for plasma coating deposition devices were made. Ceramic and metal-ceramic coatings of various composition and structure are formed using these cathodes. For SiC-AlN and (SiC-AlN)N ceramic coatings, it was recorded that the ratio of silicon and aluminum atoms in the coating corresponds to the ratio of these elements in the target and practically does not depend on the composition of the residual gas in the chamber. This confirms the assumption that by changing, if necessary, the composition of the target, it will be possible to precisely regulate the composition of the coatings.In the SiC–Al2O3 composites formed by electroconsolidation, a hardness of 91–93 HRA and a crack resistance of 6–8 MPam1/2 were achieved, which is due to the high strength of the interface between impurities and the matrix. Modeling of the radiation-thermal effect on glass-ceramic materials was carried out. The absorbed dose for the long-term use of these materials under conditions of radiation exposure was calculated. It was determined that after simulated irradiation, the mechanical characteristics of the glass matrix remained at an acceptable level. Product Description popup.authors BERESNIEV Viacheslav M. Horokh Denys V Mazilin Bohdan O. Maksakova Olha V. Morgunov Volodymyr Victorovich Chyshkala Volodymyr Oleksiyovych popup.nrat_date 2023-01-21 Close