含磷零膨胀LAS透明微晶玻璃的相转变动力学的研究

功能材料, 2009, 40(1): 92-96.

1.陕西科技大学材料科学与工程学院,陕西,西安,710021

2.陕西科技大学材料科学与工程学院,陕西,西安,710021

3.陕西科技大学材料科学与工程学院,陕西,西安,710021

4.陕西科技大学材料科学与工程学院,陕西,西安,710021

5.陕西科技大学材料科学与工程学院,陕西,西安,710021

基金项目: 国家科技支撑计划(2006BAF02A26)

Research of the phase transition kinetics of the Li2O-Al2O3-SiO2 system based transparent zero expansion phosphorous glass-ceramics

以零膨胀Li2O-Al2O3-SiO2透明微晶玻璃为研究对象,采用示差扫描量热法(DSC)研究无磷和含磷玻璃的析晶动力学和玻璃转变动力学行为.结果发现,引入少量的磷化物使得玻璃的析晶峰温度和玻璃转变温度降低,玻璃的析晶活化能和玻璃转变活化能增大,晶体生长指数n减小,使玻璃网络结构重排困难.

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