中文摘要：

以钠长石、高岭土、石英、石灰石和煅烧的氧化锌为主要原料,Zn O为晶核剂控温烧结Zn_2Si O_4结晶釉。利用EDS能谱仪对样品的组成含量进行分析,激光粒度分析仪测试浆料粒径,差热分析仪（DTA/TG）测定样品在热反应时的特征温度和吸收或放出的热量,采用kissinger法对釉中的Zn_2Si O_4结晶进行热力学分析,探索结晶釉中晶体的生长机理。结果表明：采用过40~60目筛的煅烧氧化锌作为晶核,在1140℃下保温120 min,结晶釉中形成的晶花最大,其晶花面积达到316.54 mm~2。随着釉料加水球磨时间的延长,结晶釉中晶体逐渐增多,且单个晶体逐渐减小。模拟热力学分析,利用不同升温速率下的DTA曲线中出现的硅酸锌的主要结晶峰的峰值温度,拟合Kissinger方程,晶体的活化能为E=245.5 k J/mol。

英文摘要：

Zn_2Si O_4 crystalline glaze with Zn O as a nucleation agent was prepared by sintering temperature control using quartz, albite, limestone, kaolin and calcined zinc oxide as raw materials. Percentage composition of the sample was measured by Energy Dispersive Spectrometer（EDS）. Laser particle size analyzer was taken to analyze slurry particle size. The characteristic temperature, the absorption and release of thermal energy were calculated by differential thermal analyzer（DTA/TG）. The growth mechanism of Zn_2Si O_4 crystal was studied by Kissinger equation, which helps to investigate the growth thermodynamics of crystalline glaze. The results reveal that Zn_2Si O_4 crystal flower becomes the largest when the soaking time was 120 min at 1140 ℃ by using the calcined Zn O over 40 ~ 60 mesh as crystal nucleus. The maximum area value is 316.54 mm~2. With increase of ball grinding time of glaze paste, more and more crystalline flowers were observed, whereas the size of single crystalline flower is reduced. DTA was conducted under different heating rate and used to make a thermodynamic simulation analysis. Crystallization peak temperature in the DTA curves was recorded to simulate kissinger equation. The calculated activation energy E is 245.5 k J/mol.