EXPERIMENTAL PHASE STUDIES IN THE TeO2 - WO3 SYSTEM

被引：0
|
作者：
Ersundu, A. Ercin [1 ]
Celikbilek, Miray [1 ]
Karaduman, Guenkut [1 ]
Solak, Nuri [1 ]
Aydin, Sueheyla [1 ]
机构：
[1] Istanbul Tech Univ, Dept Met & Mat Engn, TR-34469 Istanbul, Turkey
来源：
TMS 2009 138TH ANNUAL MEETING & EXHIBITION - SUPPLEMENTAL PROCEEDINGS, VOL 3: GENERAL PAPER SELECTIONS | 2009年
关键词：
Tellurite glasses; TeO(2)-WO(3) System; Phase equilibria;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Tellurite glasses are of great importance in fiber optic amplifying applications and as laser hosts. Comparing with silicate, borate and phosphate glasses, tellurite glasses have superior properties, such as low-phonon energy, high refractive index, high dielectric constant, good corrosion resistance, thermal and chemical stability. TeO(2) is the main but the conditional glass former; therefore, addition of a secondary component, such as heavy metal oxides, increases the glass forming ability. The present study aims to investigate the phase equilibria in the TeO(2) - WO(3) system. Three different compositions, (1-x)TeO(2)-xWO(3) (X = 0.10, 0.15, 0.20 in molar ratio) were prepared. The samples were heated in a platinum crucible for 30 minutes at 750 degrees C, then were quenched and crushed. TG/DTA, XRD and SEM techniques were used to investigate the samples.
引用
收藏
页码：709 / 715
页数：7
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