摘要
对HMX基PBX进行了-40～+75℃温度循环试验和温度冲击试验,采用超声波参量检测方法对炸药的内部损伤进行了分析和表征。并对环境试验前后炸药的力学性能和破坏方式进行了实验研究。结果表明,温度循环试验和温度冲击试验将导致HMX基PBX产生热损伤,使HMX基PBX压缩强度轻微下降,而对拉伸强度影响不大。
The thermal cycling and thermal shock tests between --40℃ and 75℃ were carried out. The thermal damages of PBX were studied by ultrasonic characterization. The mechanical properties and failure modes of the PBX were experimentally investigated before and after environment tests. The results show that the thermal cycling and thermal shock can induce the thermal damages of PBX, which make the compressive intension decrease slightly, but the tensile intension doesn＇t change significantly.
出处
《火炸药学报》
EI
CAS
CSCD
北大核心
2012年第1期15-18,共4页
Chinese Journal of Explosives & Propellants
基金
国家自然科学基金(10832003)
关键词
物理化学
高聚物黏结炸药
PBX
环境适应性
热损伤
力学性能
超声波检测
physical chemistry
polymer bonded explosive
PBX
environment adaptability
thermal damage
mechanical properties
damage ultrasonic testing
