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Information × Registration Number 0219U100692, 0116U003512 , R & D reports Title Invetigation of alpha and betta-Si3N4 phase transformations to cubic modification and particularities of SiC synthesis from various precursors under shock compression popup.stage_title Head Kurdiumov Oleksandr V., Registration Date 25-02-2019 Organization Institute for Problems in Materials Science popup.description2 The synthesis of the cubic phase Si3N4 under shock compression of alfa and beta Si3N4 powders in cylindrical ampoules was investigated. KCl was used for quenching the gamma phase. Optimal conditions for shock compression are found under which the yield of the cubic phase is above 80%. The synthesis of SiC under shock compression of mixtures of silicon with graphite and diamond was investigated. It was found that the degree of interaction of silicon with graphite depends on the composition of the mixture, the dispersity of the components and the temperature of shock compression. The possibility of liquid-phase sintering of diamond powders under the action of shock waves on a mixture of diamond with silicon was shown. Product Description popup.authors popup.nrat_date 2020-04-02 Close