Dynamic strength of reaction-sintered silicon carbide ceramics

被引：7
|
作者：
Garkushin, G. V. [1 ]
Razorenov, S. V. [1 ]
Rumyantsev, V. I. [2 ]
Savinykh, A. S. [1 ]
机构：
[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow oblast, Russia
[2] Virial Ltd, St Petersburg 194156, Russia
来源：
MECHANICS OF SOLIDS | 2014年 / 49卷 / 06期
关键词：
silicon carbide; shock wave; spall strength; fracture; dynamic elasticity limit; SHOCK RESPONSE;
D O I：
10.3103/S0025654414060028
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The results of measurements of shock compression wave profiles for three modifications of carbide ceramics in the stress range 3-19 GPa are presented. The dynamic elasticity and spall strength limits of the materials are determined. It is shown that these characteristics are sensitive to specific characteristics of reaction-sintered ceramics related to technological parameters of the process of their manufacturing. It is confirmed that the spall strength of highly rigid ceramics varies nonmonotonically with increasing compression stress in the shock wave.
引用
收藏
页码：616 / 622
页数：7
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