B2O3对低膨胀硼硅酸盐玻璃结构及性能影响的研究

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (5): 1685-1691.

所属专题：玻璃

B₂O₃对低膨胀硼硅酸盐玻璃结构及性能影响的研究

张盼^1,2, 张芩宇¹, 姜宏^1,2, 马艳平²

1.海南大学材料科学与工程学院,海口 570228;
2.海南大学,南海海洋资源利用国家重点实验室,海南省特种玻璃重点实验室,海口 570228

收稿日期:2020-12-29 修回日期:2021-03-05 出版日期:2021-05-15 发布日期:2021-06-07
通讯作者: 马艳平,博士,副教授。E-mail:myp@hainanu.edu.cn
作者简介:张盼(1993—),女,硕士研究生。主要从事低膨胀玻璃方面的研究。E-mail:zhangjuanjuan613@163.com
基金资助:
海南省重点研发计划(ZDYF2020015);国家自然科学基金(51761010);海南大学科研平台建设(ZY2019HN09)

Effect of B₂O₃ on Structure and Properties of Low Expansion Borosilicate Glass

ZHANG Pan^1,2, ZHANG Qinyu¹, JIANG Hong^1,2, MA Yanping²

1. College of Materials Science and Engineering, Hainan University, Haikou 570228, China;
2. Hainan Key Laboratory of Special Glass, State Key Laboratory of South China Sea Resources Utilization, Hainan University, Haikou 570228, China

Received:2020-12-29 Revised:2021-03-05 Online:2021-05-15 Published:2021-06-07

摘要/Abstract

摘要： 以Na₂O-B₂O₃-SiO₂低膨胀玻璃为基础玻璃体系,用B₂O₃逐步取代SiO₂,采用高温熔融法制备出低膨胀硼硅酸盐玻璃。通过红外光谱、扫描电镜分析了玻璃微观结构,X射线光电子能谱分析了桥氧和非桥氧含量,研究了B₂O₃含量对硼硅酸盐玻璃机械性能、热膨胀性能和紫外-可见光透过率的影响。结果表明:B₂O₃含量的增加使玻璃结构中的[BO₃]增多,玻璃分相逐渐加重;该体系玻璃的机械性能良好,显微硬度达802 kg/mm²,抗折强度达147 MPa;转变温度和软化温度都逐渐降低,热膨胀系数逐渐增加;玻璃样品的可见光透过率在90%左右,无明显规律,[BO₃]增多,玻璃结构中非桥氧的含量增加,玻璃的紫外-可见光透过率逐渐降低。

关键词: B₂O₃, 紫外-可见光透过率, 低膨胀玻璃, 热膨胀性能, 机械性能

Abstract: The low expansion borosilicate glass was prepared by using Na₂O-B₂O₃-SiO₂ low expansion glass system and gradually replacing SiO₂ with B₂O₃ by high temperature melting method. The microstructure of borosilicate glass was analyzed by infrared spectrum and scanning electron microscopy. The content of bridged oxygen and non-bridged oxygen was analyzed by X-ray photoelectron spectroscopy. The effects of the content of B₂O₃ on the mechanical properties, thermal expansion properties and UV-Vis transmittance of borosilicate glass were studied. The results show that [BO₃] in glass structure increases with the increase of B₂O₃ content, and the phase separation of glass becomes more and more serious. The glass system has good mechanical properties, with microhardness up to 802 kg/mm² and flexural strength up to 147 MPa. The transition temperature and softening temperature decreased gradually, and the thermal expansion coefficient increased gradually. The visible light transmittance of the glass sample is about 90% without an obvious rule. The increase of [BO₃] increases the content of non-bridged oxygen in the glass structure, and the UV-vis transmittance of the glass decreases gradually.

Key words: B₂O₃, UV-Vis transmittance, low expansion glass, thermal expansion property, mechanical property

中图分类号:

TQ171

张盼, 张芩宇, 姜宏, 马艳平. B₂O₃对低膨胀硼硅酸盐玻璃结构及性能影响的研究[J]. 硅酸盐通报, 2021, 40(5): 1685-1691.

ZHANG Pan, ZHANG Qinyu, JIANG Hong, MA Yanping. Effect of B₂O₃ on Structure and Properties of Low Expansion Borosilicate Glass[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(5): 1685-1691.

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B₂O₃对低膨胀硼硅酸盐玻璃结构及性能影响的研究

Effect of B₂O₃ on Structure and Properties of Low Expansion Borosilicate Glass

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