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塑料与玻璃基体Ni-Cr桥丝爆发规律研究

Keywords: Ni-Cr桥丝,爆发规律,换能机理

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Abstract:

为从理论上推导出Ni-Cr桥丝式换能元的临界爆发电压和电流的计算公式,以塑料和玻璃两种基体的Ni-Cr桥丝换能元件为研究对象,通过实验,用D最优化法测试其50%爆发电压、电流值,得出电爆规律,并利用集总参数法建立桥丝升温方程,计算出恒流作用时桥丝的临界爆发电流及电容放电作用时桥丝的临界爆发电压,实验值与理论计算值对比结果表明两者比较吻合,给出的临界爆发电压电流的计算公式符合实际情况.

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