溶接学会論文集
Print ISSN : 0288-4771
Diagnostic of Heat Source Characteristics in Gas Metal Arc Welding Using CO2 Shielding Gas
Methong TitinanShigeta MasayaTanaka ManabuIkeda RinseiMatsushita MuneoKataoka Tokihiko
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2017 年 35 巻 2 号 p. 103s-107s

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In this study, the heat source characteristics of arc plasma in GMAW using 100% CO2 shielding gas. In particular, arc temperature, Fe vapor concentration and electrical conductivity and metal droplet temperature of a YGW11 wire electrode were measured by optical emission spectroscopic methods. The plasma temperature reached over 8000 K at the center of the arc plasma. The droplet temperature near the arc root was higher than other areas.

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