Тип публикации: доклад, тезисы доклада, статья из сборника материалов конференций
Год издания: 2005
Ключевые слова: Coke Oven Coke, Mesophase, Pitch, Pitch Mesophase, Anode paste, Photoanalysis, Pitch temperature, Anisotropy, Concentration (process), Electrochemical electrodes, Probability, Rheology, Silica, Surface phenomena, Temperature distribution, Coal tar
Аннотация: The ultimate goal for the present work was to study the pitch anisotropic content and liquid/solid phase formation in different Russian pitch supplies and to identify and compare the contents of fine anisotropic inclusions and mesophase areas. The study showed that mesophase contents and sizes of mesophase areas have reasonable correlation with the pitch softening point whereas the probability of mesophase generation increases with the increase in softening point. Mesophase content is minimal in the as produced pitches. However, an intensive ordering of structures in the pitch, which is associated with the growth of mesophase spheroids, starts at the pitch temperatures in the range of 420-450°C. Several consecutive "coke over coke" phases have been identified for creation of mesophase starting from nucleation, growth of mesophase spheroid that further coalescences into the mesophase package (particle). Correlations have been established between mesophase and size of the mesophase areas.
Журнал: TMS Light Metals
Номера страниц: 623-627
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