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Kinetic analysis of mesophase transformation in coal tar pitch matrix-based C/C composites

Domenii publicaţii > Stiinte ingineresti + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Rimbu G.A., Panaitescu C., Stamatin I.

Editorial: U.P.B. Science Bulletin, Series B, vol.66, no.2-4, p.17 - 32, 2004.

Rezumat:

Kinetic study on mesophase transformation is very important for practical applications because the mesophase transformation is a key process to control, improve and optimize the utilization process of a pitch (CTP). Generally, researchers have been evaluating the kinetic parameters of a carbon system, by characterizing the CTP system evolution in different stages of its carbonization process, during mesophase transformation. If the characterization of a carbonized system is desired, this aspect becomes complex because of unknowingly of intermediate evolution of the system. Performing the Image Processing Analysis method on different micrographs from Optical Microscopy of a carbonized system, we have developed an efficient method for kinetic study of a system which passed, during its carbonization, by a liquid-crystal phase or mesophase.

Cuvinte cheie: carbon, mesophase, composites, image processing