硅酸盐学报2017，Vol.45Issue(10)：1510-1515,6.DOI:10.14062/j.issn.0454-5648.2017.10.18
ZrO2掺杂对CaO-Al2O3-SiO2系玻璃结构和机械性能的影响
Effect of ZrO2 on Structure and Mechanical Properties of CaO-Al2O3-SiO2 Glasses
摘要
Abstract
CaO-Al2O3-SiO2 (CAS) glasses doped with ZrO2 were developed by melt-quenching technique, and the thermal stability, network structure and mechanical properties were investigated by Diifferential thermal analysis, Ultraviolet-Visible spectroscopy and electro-mechanical universal testing. The results revealed that mole fraction of ZrO2 less than 4％ increased significantly the glass transition temperature, volume density, oxygen atomic packing density and bending strength with the increasing of ZrO2 content, while decrease the optical band gap. As the mole fraction of ZrO2 was more than 4％, the structural stability and mechanical properties became bad with the increase of ZrO2 content. The better properties and dense microstructure were obtained in the glass sample doped with 4％ ZrO2 which showed the maximum bending strength (83.67 MPa), the maximum value between crystallization temperatureTx and transition temperatureTg (230.12℃), and the minimum value of optical band gap (3.28 eV). So the proper ZrO2 addition could improve the oxygen atomic packing density, thus significantly improving the structural stability and mechanical properties of the glass.关键词
氧化锆/钙铝硅酸盐玻璃/机械性能/结构稳定性Key words
Zirconia/calcium aluminosilicate glasses/mechanical properties/structural stability分类
化学化工引用本文复制引用
朱钦塨,王焕平,高任,杨清华,徐时清,叶仁广,ZHANG Xianghua..ZrO2掺杂对CaO-Al2O3-SiO2系玻璃结构和机械性能的影响[J].硅酸盐学报,2017,45(10):1510-1515,6.基金项目
浙江省自然科学基金重点项目(LZ14B010001) （LZ14B010001）
国家国际科技合作专项(2013DFE63070). （2013DFE63070）
