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New Discrete Element Models for Elastoplastic Problems
  • 时间：0
  • 分类：O346.5[理学—固体力学;理学—力学]
  • 作者机构：[1]中国工程物理研究院流体物理研究所113室,四川绵阳621900
  • 相关基金：国家自然科学基金项目（10732010）.
  • 相关项目：极端条件下非晶态材料及结构的力学行为
关键词： 电炮, 金属飞片, 发射技术
中文摘要：

采用一种新的电炮结构，避开了金属飞片的导电性对电炮电爆炸过程的影响；研究了衰减板、金属飞片的材料与尺寸对金属飞片发射的影响，获得了速度稳定的金属飞片。实验结果表明：薄金属飞片，不易发生层裂，且飞片速度震荡小，可以很快的稳定；厚金属飞片容易发生层裂破坏。采用粘性较大的材料做衰减板，或是在衰减板和二级飞片间加一层低阻抗高聚物，可显著拉宽进入二级飞片的压缩脉冲，避免二级飞片层裂的发生，得到较高速度的金属飞片。

同期刊论文项目
地下钢筋混凝土结构在爆炸载荷作用下的毁伤及其防护
期刊论文 38 会议论文 2
极端条件下非晶态材料及结构的力学行为
期刊论文 71 会议论文 9 获奖 2
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