无机材料学报

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铅-钡-铝磷酸盐玻璃的热性质和红外光谱

郭公毅; 陈玉莉+   

  1. 上海交通大学材料系; 上海200030; 上海大学化工系; 上海200071

  • 收稿日期:1996-03-15 修回日期:1996-04-12 出版日期:1997-04-20 网络出版日期:1997-04-20

Thermal Properties and Infrared Spectra of a Lead-Barium-Aluminum Phosphate Glass

GUO Gongyi; CHEN Yuli+   

  1. Department of Materials Science and Engineering; Shanghai Jiaotong UniversityShanghai 200030 China; +Deportment of Chemistry and Chemical Engineering; Shanghai University Shanghai 200072 China
  • Received:1996-03-15 Revised:1996-04-12 Published:1997-04-20 Online:1997-04-20

摘要: 用差热分析和热机械分析研究了一种新发展的铅-钡-铝磷酸盐玻璃的热性质,表明这种玻璃的熔化温度低,转变温度和软化温度也较低,热膨胀系数大.这种玻璃的红外光谱的特点:在近红外区有一很弱的水分吸收带,在中红外区没有P=0特征吸收带,在远红外区的三个吸收带,指示玻璃中三种金属阳离子在它们的氧笼中的振动.

关键词: 磷酸盐玻璃, 热性质, 红外光谱

Abstract: Thermal properties of a recently-developed lead-barium-aluminum plLosphate glass were examined bymeans of differential thermal analysis. The glass exhibits a low melting temperature, relatively low glasstransition and softelting temperatures, and a high coefficient of thermal expansion. The infrared spectraof the glass are characterized by a very weak absorption band in the near-infrared region, the absence of acharacteristic P=O absorption band in the mid-infrared region, and three well-resolved absorption bands in the far-infrared region indicating the vibrational motion of aluminum, barium and lead ions at their network sites.

Key words: phosphate glass, thermal properties, infrarcd spectra