| 铝热剂填充改性PTFE/Al含能材料实验研究 |
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| 引用本文： | 武强,张庆明,郭俊,郭香华.铝热剂填充改性PTFE/Al含能材料实验研究[J].北京理工大学学报,2016,36(S1):144-148. |
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| 作者姓名： | 武强 张庆明 郭俊 郭香华 |
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| 作者单位： | 北京理工大学 爆炸科学与技术国家重点实验室, 北京 100081,北京理工大学 爆炸科学与技术国家重点实验室, 北京 100081,北京理工大学 爆炸科学与技术国家重点实验室, 北京 100081,北京理工大学 爆炸科学与技术国家重点实验室, 北京 100081 |
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| 摘 要： | 为了提高PTFE/Al含能材料的力学特性，利用铝热剂对零氧配比的PTFE/Al含能材料进行了填充改性，并对改性后的含能材料进行了准静态压缩实验，获得最优配比.利用最优配比制备了含能破片，采用25 mm口径弹道炮进行发射，通过高速摄影仪记录破片的冲击过程.试验结果表明，改性后的PTFE/Al力学强度约为纯PTFE/Al的1.3倍，在1 084~1 667 m/s的撞击速度下伴有猛烈的爆炸作用，证明新材料具有可靠的冲击起爆特性，穿甲孔径比为1.91~2.54.
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| 关 键 词： | PTFE/Al 铝热剂 含能破片 冲击起爆 |
| 收稿时间： | 2016/3/26 0:00:00 |
Experimental Study of PTFE/Al Energetic Materials Filled with Thermite |
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| WU Qiang,ZHANG Qing-ming,GUO Jun and GUO Xiang-hua.Experimental Study of PTFE/Al Energetic Materials Filled with Thermite[J].Journal of Beijing Institute of Technology(Natural Science Edition),2016,36(S1):144-148. |
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| Authors: | WU Qiang ZHANG Qing-ming GUO Jun and GUO Xiang-hua |
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| Institution: | State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China,State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China,State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China and State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | Thermite was used to modify the zero oxygen ratio PTFE/Al energetic materials for improving the mechanical properties. Quasi-static compression tests have been performed on the modified materials and obtained the optimal ratio. A 25 mm caliber gun has been used to transmit the energetic fragments which were prepared based on optimal ratio. The shock initiation process were recorded by high speed photography. The experiments suggest that the modified PTFE/Al is 1.3 times the mechanical strength of pure PTFE/Al.There was a violent explosion at impact velocities ranging from 1 084 to 1 667 m/s, with penetrating aperture ratio was 1.91~2.54. The new materials has proved to possess reliable shock initiation characteristics. |
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| Keywords: | PTFE/Al thermite energetic fragments shock initiation |
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