MATEC Web of Conferences
Volume 34, 20152015 2nd International Conference on Mechatronics and Mechanical Engineering (ICMME 2015)
|Number of page(s)||4|
|Section||Materials science and engineering|
|Published online||11 December 2015|
Effect TiO2 of Made of Ash Fly on Crystallization Activation Energy and Index
Inner Mongolia University of Technology in aimin St. Hohhot, China
a Li feng: email@example.com
In this work, CAS system glass-ceramics with different components were prepared by a high temperature melting method. The high alumina fly ash and quartz sand were used as the main raw materials in Inner Mongolia where they were very rich and cheap. The nucleation agent was TiO2. According to the thermodynamics calculation, the reaction trend of the new phase transformation was compared. The nucleation and crystal growth rate were analyzed based on the point of dynamics. The activation energy and crystallization index were calculated by making use of an equation. With increasing the content of TiO2, the activation energy and index of crystallization of glass ceramics firstly increased to the maximum 1.95, then deceased. The content of TiO2 had an optimal value of about 8%. Under this condition, the activation energy of crystallization reached to the minimum 225.87 KJ/mol. and the crystals precipitated more easily.
© Owned by the authors, published by EDP Sciences, 2015
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