红外与激光工程, 2015, 44 (8): 2435, 网络出版: 2016-01-26   

热压硫化锌后处理改性研究及其高温特性分析

Hot-pressed ZnS post-treatment modification and analysis of its high temperature properties
作者单位
天津津航技术物理研究所,天津 300308
摘要
硫化锌(ZnS)是一种重要的红外光学材料,在8~10 μm波段范围内拥有较高的透过率,广泛应用于导弹整流罩、红外天文卫星、红外光谱仪、测量仪和热像仪等领域。采用高温后处理工艺方法可促进晶粒生长,并起到消除热压多晶ZnS内部的残余六方相和气孔的作用,进而可提升材料光学透过性能。对于厚度5 mm的热压ZnS试验片,1.064 μm处透过率达到60%,2~10 μm平均透过率达到73%。经后处理的光学窗口其抗冲击性能测试结果表明,材料保留了原有热压ZnS材料的力学特性,且在400 ℃的条件下能够满足光电探测系统清晰成像的要求。
Abstract
Zinc sulfide(ZnS) is an important infrared material because of its optical characters in 8-10 μm. It is widely used in the area of missile dome, infrared astronomical satellite, infrared spectrometer, measure instrument and thermal imager. The high temperature treatment make hot-pressed ZnS crystal develop, therefore, hexagonal ZnS and crystal pores are eliminated in the polycrystal ZnS samples. The infrared transmittance is increased. The average transmittance of post-treatment ZnS sample is 73% in the range from 2 μm to 10μm, and 60% at 1.064 μm, with 5 mm in thickness. The thermal shock resistance test results that the post-treatment ZnS reserve mechanics characters of hot-pressed ZnS before, and it make optical-electro detecting system imaging clarity through post-treatment ZnS window at 400 ℃.

甘硕文, 杨勇, 廉伟艳, 张高峰, 商青琳, 王跃忠, 马金鹏. 热压硫化锌后处理改性研究及其高温特性分析[J]. 红外与激光工程, 2015, 44(8): 2435. Gan Shuowen, Yang Yong, Lian Weiyan, Zhang Gaofeng, Shang Qinglin, Wang Yuezhong, Ma Jinpeng. Hot-pressed ZnS post-treatment modification and analysis of its high temperature properties[J]. Infrared and Laser Engineering, 2015, 44(8): 2435.

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