Design and Firing and Safety Performance of Metal Film Igniting Component,Propellants, Explosives, Pyrotechnics

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Design and Firing and Safety Performance of Metal Film Igniting Component
Propellants, Explosives, Pyrotechnics ( IF 1.7 ) Pub Date : 2020-03-13 , DOI: 10.1002/prep.201900099
Xinguang Jiang ₁ , Changfu Zhang ₁ , Hongtao Yu ₁ , Zhenghu Yan ₁

Affiliation

The substrate, metal film and heat dissipation zone of metal film igniting component were designed and analyzed. By theoretical analysis and experiment, alumina ceramics were identified as the substrate material, and nickel‐chromium alloy was used as metal film material. The metal film shape is V‐shaped notch. Its size is 1 mm×2.732 mm, the thickness of the metal film is 0.5 μm, and the notch angle is 60°. Deposited copper is used as heat dissipation zone for increasing heat dissipation. Test results show that the metal film igniting component satisfies the safety requests of no firing under the condition of 1A1W5 min. The firing time is about 500 μs at a current of 5 A.

中文翻译：

金属膜点火组件的设计与烧制及安全性能

设计并分析了金属膜点火组件的基板，金属膜和散热区。通过理论分析和实验，确定了氧化铝陶瓷为基底材料，镍铬合金为金属膜材料。金属膜的形状为V形槽口。其尺寸为1mm×2.732mm，金属膜的厚度为0.5μm，并且切口角为60°。沉积的铜用作散热区，以增加散热量。测试结果表明，在1A1W5 min的条件下，金属膜着火组件满足不燃烧的安全要求。电流为5 A时，触发时间约为500μs。

更新日期：2020-03-13

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