Density and Surface Tension of M2O-TeO2(M = Li, Na and K) Melts

被引：1
|
作者：
Haruki, Shinichiro [1 ]
Tokunaga, Hirofumi [1 ]
Sukenaga, Sohei [1 ]
Saito, Noritaka [1 ]
Nakashima, Kunihiko [1 ]
机构：
[1] Kyushu Univ, Grad Sch Engn, Dept Mat Sci & Engn, Fukuoka 8190395, Japan
来源：
JOURNAL OF THE JAPAN INSTITUTE OF METALS | 2010年 / 74卷 / 10期
关键词：
tellurite; density; surface tension; glass melt; melt structure; GLASSES;
D O I：
10.2320/jinstmet.74.629
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The density and the surface tension of the binary tellurite melts, (M2O-TeO2 M = Li Na and K) were measured We investigated the thermal and compositional dependences of the properties It was found that the density and the surface tension of the binary tellurite melts decreased with increasing temperature and M2O content The dependences of the density and the surface tension were attributed to the behavior of added cation and the structural change of melt It was thought that the added cation intruded into the interspace of the complex tellurite anion and molar volume decreased when the radius of added cation was small TeO4 trigonal bipyramid changes to TeO4- trigonal bipyramid and TeO3 trigonal pyramid with increasing temperature and M2O content We explained that the dependences of the density and the surface tension on the behavior of added cation and the structural change of melt
引用
收藏
页码：629 / 634
页数：6
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