Acoustic properties of organic glass in the region of plastic deformation and destruction threshold

被引：0
|
作者：
Serdobol'skaya, OY [1 ]
Morozova, GP [1 ]
Odina, NI [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Moscow, Russia
来源：
RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING | 2000年 / 36卷 / 03期
关键词：
Acoustic Emission; Elastic Constant; Sound Velocity; Nondestructive Test; Elastic Region;
D O I：
10.1007/BF02759326
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Acoustic and acoustic-emission properties of an organic glass have been experimentally studied in the region of plastic deformation and destruction threshold under uniaxial stress. It turned out that an abrupt rise in both the longitudinal wave damping and the flux of acoustic emission is caused by the motion of dislocation clusters and indicate the onset of plastic deformation. The elastic constants of the second and third orders in the organic glass have been determined.
引用
收藏
页码：165 / 169
页数：5
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