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Reaction Properties for Different Size PBX-2 Explosives in Bullet Impact Test
Author(s): 
Pages: 432-435
Year: Issue:  4
Journal: CHINESE JOURNAL OF ENERGETIC MATERIALS

Keyword:  爆炸力学炸药安全性枪击试验数值模拟;
Abstract: 采用改进的枪击试验(12.7 mm机枪)对Φ100 mm×45 mm(1#)、Φ50 mm×100 mm(2#)、Φ75 mm×150 mm(3#)和Φ100 mm×200 mm(4#)四种不同尺寸PBX-2炸药柱进行试验,测试了子弹在样品中的穿行时间和子弹撞击样品后的速度,测量了炸药的反应超压,分析了枪击试验中PBX-2炸药的响应规律.结果初步表明,枪击试验中随着PBX-2炸药长度的增加,其反应程度也随之增强.采用ANSYS/LS-DYNA程序对1#、2#和4#样品的枪击试验进行了数值模拟,计算结果与试验测试结果基本一致.
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