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首页> 外文期刊>The Open Plasma Physics Journal >Multi-Electrode Plasma Torches: Motivation for Development andCurrent State-of-the-Art
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Multi-Electrode Plasma Torches: Motivation for Development andCurrent State-of-the-Art

机译：多电极等离子炬：发展的动力和当前的最新技术

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Multi-electrode plasma torches are becoming increasingly popular in the thermal spray community due to their good stability and high power plasma jet even when operated with inert gases. Currently the models in use feature either three cathodes and a single anode or three individual anodes connecting to a single cathode. The motivation for development of these plasma torches is based on the inherent instability of single anode/single cathode systems which leads to fluctuating plasma jets resulting in inhomogeneous particle heating. The use of multi-electrode systems has expanded into the realm of low pressure plasma spraying and vacuum plasma spraying with promising results, while atmospheric plasma spraying results show improved coating quality compared to conventional systems. Current research focuses on the development of numerical process modeling as well as the application of advanced diagnostics for process analysis, opening up opportunities for improvement and process control.
机译：由于多电极等离子炬具有良好的稳定性和高功率等离子射流，即使在惰性气体下运行，它们在热喷涂领域也越来越受欢迎。当前使用的模型具有三个阴极和一个阳极或连接到单个阴极的三个独立阳极。开发这些等离子炬的动机是基于单个阳极/单个阴极系统的固有不稳定性，这会导致等离子流的波动，从而导致不均匀的颗粒加热。多电极系统的使用已扩展到低压等离子喷涂和真空等离子喷涂领域，并取得了可喜的结果，而大气等离子喷涂结果表明与传统系统相比，涂层质量得到了改善。当前的研究集中在数值过程建模的发展以及高级诊断在过程分析中的应用，为改进和过程控制提供了机会。

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