Elastic properties of quaternaryTeO2-ZnO-Nb2O5-Gd2O3 glasses

被引：26
作者：
Elkhoshkhany, N. [1 ]
Abbas, Rafik [1 ]
Gaafar, M. S. [2 ]
El-Mallawany, R. [3 ]
机构：
[1] Inst Grad Studies & ResearchesAlexandria Univ, Dept Mat Sci, Shatby 21526, Egypt
[2] Al Majmaah Univ, Coll Sci, Phys Deptartment, Al Zulfi, Saudi Arabia
[3] Menoufia Univ, Dept Phys, Fac Sci, Menoufia, Egypt
来源：
CERAMICS INTERNATIONAL | 2015年 / 41卷 / 08期
关键词：
Oxide glasses; Tellurite glasses; Rare earths; Elastic properties; TELLURITE GLASSES; THERMAL-PROPERTIES; RELAXATION; STABILITY; BEHAVIOR; BINARY; MODULI;
D O I：
10.1016/j.ceramint.2015.04.060
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：
Tellurite glass systems in the form 75TeO(2)-15ZnO-(10-x)Nb2O5-xGd(2)O(3) (x=0.0, 0.5, 1.0, 1.5, 2.0, 2.5 mol%) have been prepared by the melt quenching technique. Both longitudinal and shear ultrasonic velocities were measured by using the pulse-echo method at 5 MHz frequency and at room temperature. Elastic moduli (longitudinal modulus, shear modulus, Young's modulus, Bulk modulus), Poisson's ratio, Debye temperature, micro-hardness and softening temperature have been calculated. Quantitative analysis of elastic moduli based on the number of bond per unit volume, average crosslink and number of vibrating atoms per unit volume has been achieved. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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收藏
页码：9862 / 9866
页数：5
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