Zobrazeno 1 - 10
of 49
pro vyhledávání: '"A. F. Lisovskii"'
Autor:
A. F. Lisovskii
Publikováno v:
Journal of Superhard Materials. 42:9-17
The results of thermodynamic studies of the nucleation of nanoparticles and the conditions for their sustainable existence are reported. An expression is obtained for the Gibbs free energy change during the formation of nanoparticles. It is proved th
Autor:
I. A. Gnatenko, A. F. Lisovskii
Publikováno v:
Journal of Superhard Materials. 40:335-347
Based on the analysis of published studies, thermodynamic functions describing the processes of the formation of intercarbide and interface surfaces during the solid- and liquid-phase sintering of WC–Co cemented carbides. At present a certain progr
Autor:
A. F. Lisovskii
Publikováno v:
Journal of Superhard Materials. 33:166-172
Thermodynamics of liquid-phase sintering composite materials consisting of refractory particles and low-melting point binders has been discussed. Relations of the Helmholtz free energy have been derived for the processes of the particle rearrangement
Autor:
A. F. Lisovskii
Publikováno v:
Journal of Superhard Materials. 32:389-395
A dimensional region of the existence of WC nanoparticles and nanostructured WC-Co hard alloys has been substantiated. It has been shown that the existing technologies do not allow to obtain pore- free WC-Co hard alloys with carbide particles of size
Autor:
A. F. Lisovskii
Publikováno v:
Journal of Superhard Materials. 32:250-262
Papers on the formation of gradient structures in sintered hard alloys have been reviewed. It has been shown that at present there are three directions in the development of gradient structures. The first of them involves the application of surface l
Autor:
A. I. Kulik, D. G. Sidorenko, E. O. Tskitishvili, A. F. Lisovskii, O. F. Kurochkin, V. G. Lyasov, A. V. Feofilaktov, V. V. Pashins’kii, A. D. Ryabtsev
Publikováno v:
Journal of Superhard Materials. 32:88-97
Scientific research, on the basis of which a technology of manufacture large-size cemented carbide products has been developed, and special features of the fabrication of cemented carbide rolls to be used in the metallurgy industry have been consider
Autor:
A. F. Lisovskii
Publikováno v:
Journal of Superhard Materials. 31:306-310
Thermodynamic studies of the infiltration of porous bodies formed from macro- or nanoparticles have been conducted. Thermodynamic functions that describe the infiltration have been derived and the criteria for the conditions for spontaneous infiltrat
Autor:
A. F. Lisovskii
Publikováno v:
Journal of Superhard Materials. 31:226-231
The formation of gradient structures in nanodispersed composite materials has been considered in terms of thermodynamics. The formation of gradient structures has been shown to depend on the consolidation of refractory particles and deconsolidation o
Autor:
A. F. Lisovskii
Publikováno v:
Journal of Superhard Materials. 31:112-117
The process of the liquid outflow from a flat capillary in a nanodispersed composite body into the body bulk have been studied in terms of thermodynamics. An equation for the variation of the Gibbs free energy of a nanodispersed system during this pr
Autor:
A. F. Lisovskii
Publikováno v:
Journal of Superhard Materials. 31:24-29
The thermodynamic study of the particle consolidation process in a system consisting of nanoparticles, inclusions of macroparticles, and mobile phase has been conducted. The thermodynamic potential describing this process has been derived. The condit