Number Density Distributions of Metal Vapor in Helium Gas Tungsten Arcs

Number Density Distributions of Metal Vapor in Helium Gas Tungsten Arcs
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氦气钨极电弧中金属蒸气的数密度分布

DOI：
10.14723/tmrsj.35.593
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发表时间：
2010
期刊：
影响因子：
--
通讯作者：
Manabu Tanaka
Manabu Tanaka
中科院分区：
--
文献类型：
--
作者：
Y. Tsujimura;H. Terasaki;Kentaro Yamamoto;S. Tashiro;Manabu Tanaka

文献摘要

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为了研究焊接过程中金属蒸气对等离子体状态的影响，采用激光散射法测量了焊接过程中氦气钨极电弧(GTA)等离子体中的电子温度。此外，还通过光谱分析测量了金属中性物和离子的数密度分布。我们的结果表明，焊接过程中的等离子体由两个等离子体区域组成，即纯氦等离子体区域和准金属等离子体区域。
In order to investigate effects of metal vapor on the plasma state in welding process, electron temperature in helium Gas Tungsten Arc (GTA) plasma during welding was measured by using the laser scattering method. Furthermore, number density distributions of metal neutrals and ions were also measured by using the spectroscopic analysis. Our results showed that plasma during welding consisted of two plasma regions, namely, pure helium plasma region and quasi-metal plasma region.