Spall fracture in sapphire

被引：0
|
作者：
A. S. Savinykh
G. I. Kanel
S. V. Razorenov
机构：
[1] Russian Academy of Sciences,Institute of Problems of Chemical Physics
[2] Chernogolovka,Joint Institute for High Temperatures
[3] Russian Academy of Sciences,undefined
来源：
Technical Physics Letters | 2011年 / 37卷
关键词：
Shock Wave; Sapphire; Technical Physic Letter; Shock Wave Front; Wave Profile;
D O I：
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中图分类号：
学科分类号：
摘要：
The dynamic tensile strength of sapphire has been studied under conditions of impact loading in the region of dynamic (Hugoniot) elastic limit (HEL). In the absence of inelastic deformation, the spall strength of sapphire strongly depends on the loading time and exhibits a tendency to decrease with increasing compressive stress in the incident impulse. The development of inelastic deformation leads to the complete loss of material resistance to the tensile straining.
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