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热处理对Li_2O-Al_2O_3A-SiO_2系统玻璃性质的影响
Alternative TitleEffect of Heat Treatment on Properties of Li_2O_Al_2O_3-SiO_2 System Glass
蒋亚丝; 钟奖生; 黄维彦; 谢瑞虎; 杨纯俊
2002
Source Publication光学学报
Volume22Issue:7Pages:886
Abstract测量了线性升温热处理后Li_2O-Al_2O_3-SiO_2系统零膨胀微晶玻璃V02的性质变化。在一个较小的温度区间内,玻璃物理性质由于相变而出现显著变化。折射率增加175 * 10~(-4)、密度增加0.094 g/cm~3、热膨胀系数降低41 * 10~(-7)/℃、努普(Knoop)硬度增加18.6 MPa、线收缩达1.12%。短波区透射率随着热处理温度的升高先出现下降而后再次上升。实验结果为大尺寸微晶玻璃毛坯的晶化工艺过程提供有实用意义的建议。
SubtypeArticle
Other AbstractThe physical properties of the Li_2O-Al_2O_3-SiO_2 system based zero-expansion glass ceramic of V02 have been measured during a linearly temperature raise. There is a significant change in a narrow temperature range for all physical properties caused by the phase transformation. The refractive index increases from 1.5258 to 1.5433. The density increases from 2.563 to 2.576 g/cm~3. The expansion coefficient decrease from 41.5 * 10~(-7)/℃ to near zero. The Knoop hardness increases from 57.8 MPa to 76.4 MPa. The total linear shrinkage is 1.12%. The optical transmission at short wavelength region decreases first and then increases with heat treatment temperature raise. Some useful points were suggested for controlled crystallization of large glass mirror blank.
Indexed ByEI
Language中文
Document Type期刊论文
Version出版稿
Identifierhttp://ir.siom.ac.cn/handle/181231/17864
Collection高功率激光单元技术研发中心
Affiliation1.蒋亚丝, 中国科学院上海光学精密机械研究所, 上海 201800, 中国.
2.钟奖生, 上海新沪玻璃厂, 上海 201800, 中国.
3.黄维彦, 上海新沪玻璃厂, 上海 201800, 中国.
4.谢瑞虎, 上海新沪玻璃厂, 上海 201800, 中国.
5.杨纯俊, 上海新沪玻璃厂, 上海 201800, 中国.
Recommended Citation
GB/T 7714
蒋亚丝,钟奖生,黄维彦,等. 热处理对Li_2O-Al_2O_3A-SiO_2系统玻璃性质的影响[J]. 光学学报,2002,22(7):886.
APA 蒋亚丝,钟奖生,黄维彦,谢瑞虎,&杨纯俊.(2002).热处理对Li_2O-Al_2O_3A-SiO_2系统玻璃性质的影响.光学学报,22(7),886.
MLA 蒋亚丝,et al."热处理对Li_2O-Al_2O_3A-SiO_2系统玻璃性质的影响".光学学报 22.7(2002):886.
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