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管件长度对电磁成形线圈放电电流的影响 被引量:6

Effect of tube length on coil discharge current in electromagnetic forming
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摘要 为研究电磁成形过程线圈放电电流的变化规律,在放电回路分析的基础上,采用试验分析与代数解析相结合的方法研究了管件长度对线圈放电电流的影响.试验结果表明:随着管件长度的增加,线圈放电电流的幅值和频率均增加.通过解析方法定性分析管件长度对线圈放电电流的影响,其结果与试验结果一致.管件长度不同时,放电回路的等效电感不同,管件长度与等效电感成反比.将管件和成形线圈等效为圆柱线圈可定性分析电磁成形系统的电感和互感. In order to analyze the change law of coil discharge current in electromagnetic forming process, the effect of the tube length on the coil discharge current was investigated by experimental and algebraic analytical methods on the basis of the discharge circuit analysis. The results show that the amplitude and the frequency of coil discharge current increase with the growth of tube length. The effect of the tube length on the coil dis- charge current was analyzed qualitatively by analytic method. The theoretical analysis results well agree with the experimental results. The equivalent inductances of discharge circuit are different at variant tube lengths. And the equivalent inductance of discharge circuit is inversely proportional to the tube length. The inductance and mutual-inductance of forming system can be analyzed qualitatively by the method of equivalently processing the coil and tube as the hollow cylindrical coil.
出处 《材料科学与工艺》 EI CAS CSCD 北大核心 2008年第2期192-195,共4页 Materials Science and Technology
关键词 电磁成形 线圈放电电流 幅值 频率 电感 electromagnetic forming coil discharge current amplitude frequency inductance
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参考文献7

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