Nanoindentation study on viscoelasticity in cesium tungstophosphate glasses

被引：0
|
作者：
Lisnyak, V. V. [1 ]
Dub, S. N. [2 ]
Stratiichuk, D. A. [2 ]
Stus, N. V. [1 ]
机构：
[1] Kyiv Natl T Shevchenko Univ, Dept Chem, UA-01033 Kiev, Ukraine
[2] Natl Acad Sci Ukraine, Inst Superhard Mat, UA-04074 Kiev, Ukraine
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 12-13期
关键词：
phosphate glass; nanoindentation; viscoelasticity; elastic and plastic deformation;
D O I：
10.1016/j.matlet.2007.10.037
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The mechanical properties of the glasses xCsPO(3)-(1-x)WO3 with x=0.35 to 0.70 were studied by means of nanoindentation applying reloading and impulsive loading schemes. A hysteresis loop increasing with x has been registered at the reloading experiments on loaddisplacement curves. Contribution of plastic, elastic and viscoelastic components into the total deformation has been calculated from the impulsive loading experiments. The viscoelastic contribution increases with x and reaches the highest value of 39% for the glass with x=0.7. Relations between the glass composition, structure and the mechanical properties are analysed. (c) 2007 Elsevier B. V . All rights reserved.
引用
收藏
页码：1905 / 1908
页数：4
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