Elastic moduli of borosilicate glasses doped with heavy metal oxides

被引：24

作者：

Bootjomchai, Cherdsak ^{[1
]}

Laopaiboon, Raewat ^{[1
]}

Pencharee, Somkid ^{[1
]}

Laopaiboon, Jintana ^{[1
]}

机构：

[1] Ubon Ratchathani Univ, Fac Sci, Dept Phys, GTEC, Ubon Ratchathani 34190, Thailand

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2014年 / 388卷

关键词：

Amorphous materials; Glasses; Structural materials; Ultrasonic measurements; Elastic properties; TELLURITE GLASSES; BORATE GLASSES; OXYFLUOROBORATE GLASSES; QUANTITATIVE-ANALYSIS; BISMUTH-BOROSILICATE; SPECTROSCOPY; CONSTANTS; BEHAVIOR; SYSTEM; ER2O3;

D O I：

10.1016/j.jnoncrysol.2014.01.039

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：

Comparative studies on the theoretical and experimental values of elastic moduli of the borosilicate glasses (70-x) SiO2-30B(2)O(3)-xHMOs glass system, where HMOs (heavy metal oxides) are TiO2, BaO and Bi2O3 with 0, 1, 2, 3, 4 and 5 mol% of each HMO, were investigated. Elastic moduli were assessed by measuring the ultrasonic velocities. The number of network bonds per unit volume, the average of a stretching force constant, the average of cross-link density, the average of ring diameter and the theoretical bond compression bulk modulus were calculated by using a theoretical bond compression model to confirm the obtained results from the experiments. The results show that changes in the structure of the glass depend on a type and concentration of HMOs. Moreover, the experimental elastic moduli are in good agreement with the theoretical values. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：37 / 45

页数：9

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