Preprint Article Version 1 This version is not peer-reviewed

Characteristics of Welding and Arc Pressure in the Plasma–TIG Hybrid Welding Process

Version 1 : Received: 25 May 2018 / Approved: 30 May 2018 / Online: 30 May 2018 (09:39:07 CEST)

A peer-reviewed article of this Preprint also exists.

Wang, B.; Zhu, X.-M.; Zhang, H.-C.; Zhang, H.-T.; Feng, J.-C. Characteristics of Welding and Arc Pressure in the Plasma–TIG Coupled Arc Welding Process. Metals 2018, 8, 512. Wang, B.; Zhu, X.-M.; Zhang, H.-C.; Zhang, H.-T.; Feng, J.-C. Characteristics of Welding and Arc Pressure in the Plasma–TIG Coupled Arc Welding Process. Metals 2018, 8, 512.

Journal reference: Metals 2018, 8, 512
DOI: 10.3390/met8070512

Abstract

In this article, a novel hybrid welding process called plasma-TIG coupled arc welding was proposed to improve the efficiency and quality of welding by utilizing the full advantage of plasma and TIG welding processes. The two arcs of plasma and TIG were pulled into each other into one coupled arc under the effect of Lorentz force and plasma flow force during welding experiments. The arc behavior of coupled arc was studied by means of it’s arc profile, arc pressure and arc force conditions. The coupled arc pressure distribution measurements were performed. The effects of welding conditions on coupled arc pressure were evaluated and the maximum coupled arc pressure was improved compared with single-plasma arc and single-TIG arc. It was found that the maximum arc pressure was mainly determined by plasma arc current and plasma gas flow. According to the results, the proposed coupled arc welding process have both advantages of plasma arc and TIG method, and it has a broad application prospect.

Subject Areas

plasma-TIG; coupled arc; arc profile; pressure distribution

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