Design, fabrication and performance test of an integrated exploding foil initiator system

IF 5.1 2区 工程技术 Q1 Engineering Defence Technology Pub Date : 2024-06-22 DOI:10.1016/j.dt.2024.06.012
Zehao Wang, Pengfei Xue, Qingxuan Zeng, Mingyu Li
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Abstract

The integration method of exploding foil initiator system (EFIs) used to be researched to broaden its application range in military and aerospace in the last few decades. In order to lower the firing voltage below 1 kV, an integrated EFIs with enhanced energy efficiency was designed. Corresponding exploding foil initiator chips were fabricated in batch via micro electromechanical systems technology by integrating a unified foil, a flyer layer and a barrel on a glass substrate successively, meanwhile its package of the whole system was proposed at a volume of 2.194 cm. The structural parameters were determined by predicted performance including flyer velocity, impact behavior and conduction property via the proposed theoretical models and the static electric field simulation. As expect, this integrated EFIs exhibited excellent functions, which could accelerate the flyer to a terminal velocity over 4 km/s and preeminently initiate HNS-IV pellet at a circuit of 0.24 μF/0.9 kV. Furthermore, the theoretical design, fabrication and performance test have been all included to validate the feasibility of this integrated EFIs that was beneficial for its commercial development in the future.
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集成爆炸箔引发器系统的设计、制造和性能测试
过去几十年来,人们一直在研究爆炸箔引发器系统(EFIs)的集成方法,以拓宽其在军事和航空航天领域的应用范围。为了将点火电压降至 1 kV 以下,设计了一种能效更高的集成 EFI。通过微机电系统技术,在玻璃基板上先后集成了统一箔片、飞行器层和筒体,批量制造出了相应的爆炸箔引发器芯片,并提出了整个系统的封装方案,体积为 2.194 厘米。通过提出的理论模型和静态电场仿真,预测了飞行器的速度、冲击行为和传导特性等性能,从而确定了结构参数。正如所预期的那样,这种集成式电子飞行器表现出卓越的功能,可将飞行器加速到每秒 4 千米以上的末端速度,并在 0.24 μF/0.9 千伏的电路中优先启动 HNS-IV 粒子。此外,还包括理论设计、制造和性能测试,以验证这种集成式电子飞行器的可行性,从而有利于其未来的商业开发。
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来源期刊
Defence Technology
Defence Technology Engineering-Computational Mechanics
CiteScore
7.50
自引率
7.80%
发文量
1248
审稿时长
22 weeks
期刊介绍: Defence Technology, sponsored by China Ordnance Society, is published quarterly and aims to become one of the well-known comprehensive journals in the world, which reports on the breakthroughs in defence technology by building up an international academic exchange platform for the defence technology related research. It publishes original research papers having direct bearing on defence, with a balanced coverage on analytical, experimental, numerical simulation and applied investigations. It covers various disciplines of science, technology and engineering.
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