纳米晶W-La 关键字: 钨电极； La2O3； 电弧特性； 纳米材料[gap=901]Key words: tungsten electrode; La2O3; electrical arc characteristic; nanostructured materials
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Based on the 3d visualization study of arc image’s enhancement and motion process,weanalyze the formation mechanism,arc characteristic and motion morphology’s basic theory. In order to observe and analyze arc’s dynamic flight process in the arc chamber from differentangle.
为了从不同角度观察分析电弧在灭弧室中的动态运动过程，本文在研究开关电器电弧图像增强及运动过程三维可视化的基础上，分析电弧形成机理、电弧特性和运动形态的基本理论，进一步考虑其模型特性和电弧等离子体磁压缩效应，建立其运动数学模型。
参考来源 - 低压电器开关电弧运动机理及仿真研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在变弧隙燃弧情况下，测量刚分电流对电弧特性的影响。
The influence of breaking current on arc characteristic is also measured.
通过与不考虑PTFE蒸气影响的开断过程的模拟结果相比较，得到了PTFE蒸气对喷口电弧特性影响的结果。
As compared with the interruption when PTFE vapour is ignored, the influence of PTFE vapour on the characteristics of nozzle arc is obtained.
到目前为止，关于激光-电弧复合热源焊接的研究主要集中在应用方面，而涉及到电弧特性及过程稳定性等基础理论，仍有许多问题亟待解决。
By far, research about laser-arc hybrid welding is mostly concentrated on the application and there is still much problem to solve come down to the arc properties and the stability of welding process.
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