Influence of ZrC on the microstructure of its surrounding resin-based carbon at high temperature

Publication date: August 2016 Source:New Carbon Materials, Volume 31, Issue 4 Author(s): Zhong-wei Zhang, Min Mei, Liang Li, Ce-wen Nan, Jun-shan Wang, Zheng-hui Xu The microstructures of a refractory ZrC particle and its surrounding resin-based carbon treated above 2500 °C were investigated by SEM, TEM, HRTEM and selected area electron diffraction. Results show that the ZrC particle is enclosed by a transition carbon layer that has a d 002 of 0.3375 nm, close to that of ideal graphite, indicating the formation of a well graphitized structure. The carbon far away from the ZrC particle remains isotropic and amorphous. These results are verified by selected area electron diffraction, and can be attributed to catalytic graphitization and stress-induced graphitization.

Source: New Carbon Materials - September 17, 2016 Category: Chemistry Source Type: research