PROPERTIES OF SM2O3-AL2O3-SIO2 GLASSES FOR INVIVO APPLICATIONS

被引：67

作者：

ERBE, EM ^{[1
]}

DAY, DE ^{[1
]}

机构：

[1] UNIV MISSOURI,GRAD CTR,ROLLA,MO 65401

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1990年 / 73卷 / 09期

关键词：

alumina; glass; physical properties; radioactive materials; samarium;

D O I：

10.1111/j.1151-2916.1990.tb06750.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The compositional range for glass formation below 1600°C in the Sm2O3─Al2O3─SiO2 system is (9–25)Sm2O3─(10–35)Al2O3─(40–75)SiO2 (mol%). Selected properties of the Sm2O3─Al2O3─SiO2 (SmAS) glasses were evaluated as a function of composition. The density, refractive index, microhardness, and thermal expansion coefficient increased as the Sm2O3 content increased from 9 to 25 mol%, the values exceeding those for fused silica. The dissolution rate in 1N HCl and in deionized water increased with increasing Sm2O3 content and with increasing temperature to 70°C. The transformation temperature (Tg) and dilatometric softening temperature (Td) of the SmAS glasses exceeded 800° and 850°C, respectively. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：2708 / 2713

页数：6

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