用于低损耗特种玻璃熔炼的高纯致密锆英石的研制

硅酸盐通报 ›› 2020, Vol. 39 ›› Issue (12): 4003-4009.

用于低损耗特种玻璃熔炼的高纯致密锆英石的研制

钱敏^1,2, 邹兆松¹, 唐景平¹, 蒋亚丝¹, 徐永春¹, 胡丽丽¹

1.中国科学院上海光学精密机械研究所,上海 201800;
2.中国科学院大学,北京 100049

发布日期:2021-02-01
通讯作者: 胡丽丽,研究员。E-mail:hulili@siom.ac.cn
作者简介:钱敏(1987—),女,博士研究生。主要从事玻璃方面的研究。E-mail:qianmin@siom.ac.cn
基金资助:
上海市自然科学基金(18ZR1444400)

Development of High-Purity Dense Zircon for Melting Low-Loss Special Glasses

QIAN Min^1,2, ZOU Zhaosong¹, TANG Jingping¹, JIANG Yasi¹, XU Yongchun¹, HU Lili¹

1. Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China

Published:2021-02-01

摘要/Abstract

摘要： 以纯度大于99.9%(质量分数)的高纯ZrO₂和SiO₂为原料,少量TiO₂为添加剂,采用高温固相法合成高纯锆英石(ZrSiO₄)粉料。研究温度和反应时间对高纯锆英石合成效率的影响,发现粒度小于50 μm的原料粉末经1 500 ℃反应48 h后,ZrSiO₄相的含量可以达到95.77%(质量分数)。将合成的高纯锆英石粉料球磨并冷等静压成型后,在1 550 ℃高温烧结成高纯致密锆英石砖。高纯致密锆英石中杂质Fe的含量仅为29 μg/g,Cu的含量小于1 μg/g,是普通商用致密锆英石的1/10;对磷酸盐玻璃静态光吸收损耗的影响仅为普通致密锆英石材料的1/3。将这种高纯致密锆英石材料用于激光玻璃窑炉,有助于降低玻璃对1 053 nm激光的损耗,提升激光玻璃的激光性能。

关键词: 高纯锆致密英石, 高温固相合成, 耐侵蚀性, 激光玻璃窑炉, 光损耗

Abstract: High-purity zircon (ZrSiO₄) powders were synthesized by high-temperature solid-phase reaction method, using 99.9% (mass fraction) high purity ZrO₂ and SiO₂ powders as raw materials and small amount of TiO₂ as additive. The effects of temperature and reaction time on the synthesis efficiency of high-purity zircon powders were studied. It is found that the fraction of the ZrSiO₄ phase reaches 95.77% (mass fraction) after the solid-phase reaction is carried out at 1 500 ℃ for 48 h using raw material powders with particle size less than 50 μm. The prepared high-purity zircon powders were used as a raw material, and sintered at a high temperature above 1 550 ℃ after ball milling cold isostatic pressing to form a high-purity dense zircon brick. The concentrations of Fe and Cu impurities in high-purity dense zircon are 29 μg/g and less than 1 μg/g, respectively, which are only 1/10 of those in the commercial high dense zircon samples. The static optical loss of phosphate glass caused by the high-purity dense zircon samples is only 1/3 of that of the commercial high dense zircon samples. Using this high-purity dense zircon material for laser glass furnaces can reduce the optical loss at 1 053 nm and improve the laser performance of laser glasses.

Key words: high-purity dense zircon, high-temperature solid-phase synthesis, corrosion resistance, laser glass furnace, optical loss

中图分类号:

TQ175.75

钱敏, 邹兆松, 唐景平, 蒋亚丝, 徐永春, 胡丽丽. 用于低损耗特种玻璃熔炼的高纯致密锆英石的研制[J]. 硅酸盐通报, 2020, 39(12): 4003-4009.

QIAN Min, ZOU Zhaosong, TANG Jingping, JIANG Yasi, XU Yongchun, HU Lili. Development of High-Purity Dense Zircon for Melting Low-Loss Special Glasses[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2020, 39(12): 4003-4009.

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