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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Investigation of the absorption process of the microwave radiation by metal wires with the same electrical conductivity
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Investigation of the absorption process of the microwave radiation by metal wires with the same electrical conductivity

机译：具有相同电导率的金属线对微波辐射的吸收过程研究

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摘要

In this paper, we present a microwave-assisted absorption method for the metallic wires with same electrical conductivity (e.g. tungsten and molybdenum). Our experimental set-up uses a microwave plasma generator in order to generate the plasma from the metal wires and to obtain the metal powders. The microwave plasma generator (experimental model) contains a cylindrical cavity-TM011 propagation modes, a magnetron with 800 W microwaves power and 2.45 GHz frequency, a power supply and an electronic module. In the focal point of the cylindrical cavity we have a high energy of the electromagnetic radiation. The metallic wires from this are a was vaporized and ionized. The structure of the metal powders was investigated with scanning electron microscopy. The electron temperature regarding metallic plasma produced was estimated using the ratio of atomic emission lines acquired by a high definition of the optical multichannel spectrometer. We obtained a strong microwave absorption by tungsten (W) and molybdenum (Mo) wires which depend on the power of the microwave. The Mo and W wires can be vaporized with the microwave field, in air at atmospheric pressure and room temperature.
机译：在本文中，我们为具有相同电导率（例如钨和钼）的金属线提供了一种微波辅助吸收方法。我们的实验设置使用微波等离子体发生器以产生来自金属线的等离子体并获得金属粉末。微波等离子体发生器（实验模型）含有圆柱形腔 - TM011传播模式，磁控管具有800 W微波功率和2.45 GHz频率，电源和电子模块。在圆柱形腔的焦点中，我们具有电磁辐射的高能量。来自此的金属线是蒸发和电离的。研究了用扫描电子显微镜研究了金属粉末的结构。关于所产生的金属等离子体的电子温度使用由光学多通道光谱仪的高清晰度获得的原子发射线的比率估计。我们通过钨（W）和钼（MO）电线获得了强大的微波吸收，这取决于微波的功率。可以在大气压和室温下用微波场蒸发Mo和W线。

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