图1.7 Al/CuO复合薄膜爆炸箔
2004年以来南京理工大学开展了Zr/CuO、Mg/CuO、Al/CuO 三种复合薄膜材料的制备和研究工作[[19-26],对其反应动力学,热力学和电爆炸性能进行了较为深入的研究。2011年,朱朋、沈瑞琪等人将Al/CuO复合薄膜运用到点火桥上,进行了电爆实验,发现该材料的薄膜具有高能量输出,可以小型化的优点。Al/CuO复合薄膜微观结构和反应动力学计算如图1.8所示
图1.8 Al/CuO含能复合薄膜的SEM图
就目前国内外对于肖特基结构的研究,多数是用来制成肖特基二极管,运用到电子产业方面,对精密仪器起到保护作用,很少运用于含能点火=-桥上。将Al/CuO制成肖特基薄膜运用到点火桥上,Al/CuO发生氧化还原反应的同时放出大量的热,高热量可以用来点燃发射药和火药,由于肖特基的整流效果以及反应延迟性,能很好地保证点火桥点火的稳定性和安全性,有效地防止意外发火而引起的危险。所以对于Al/CuO含能肖特基换能元的研究是很具有创新性的,同时也具有其潜在的研究价值。
参考文献
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