Deep Penetration Welding of 12-mm Thick Section Steels with No Groove by Plasma-Gmaw Hybrid Welding Process
Main Article Content
Abstract
Hybrid welding processes were developed several decades ago and nowadays, it becomes a bright technology in materials processing. In recent years, one of the versions of the Plasma – GMAW hybrid welding process is basically a combination of a Plasma keyhole with a GMAW arc, where the GMAW arc emitted from the side‐posited tungsten toward the nozzle orifice, the consumable wire fed along the torch axis through the orifice, in order to deliver greater welding speeds, deeper weld penetration, and reduced heat input. In this paper, butt joint welds were conducted on mild steel SS400 and the aims of this research is developed a Plasma‐GMAW hybrid welding process for single pass full penetration welding of 12‐mm thick mild steel with no groove of thick steel plates. As a result, the single‐sided welding in one pass with complete penetration was produced successfully and their mechanical properties were investigated.
Keywords
Plasma keyhole, GMAW, Plasma‐GMAW hybrid welding, hybrid arc, mechanical properties
Article Details
References
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[3] Plasma Laser Technologies. Hybrid Plasma/GMAW Welding Reduces Welding Time. Power Engineering, ProQuest Central, 112(8), (2008) 75–77.
[4] Madison Heights. Hybrid Welding: An Alternative to SAW. Welding Solutions, Inc. (2007).
[5] Shinichi Tashiro and Manabu Tanaka. Development of Plasma GMAW brazing process for dissimilar metal joining of aluminum to steel. International Symposium on Interfacial Joining and Surface Technology (IJIST), 61 (2014).
[6] SHIN Minho & NAKATA Kazuhiro. Single pass full penetration welding of high‐tensile steel thick‐plate using 4 kW fiber laser and MAG arc hybrid welding process. 溶接学会論文集 Volume 27, No. 2 (2009) 80–84.
[7] Lam TRAN, Shinichi TASHIRO, Manabu TANAKA & Thuc Ha NGUYEN. Single Pass Full Penetration Welding of 12‐mm Thick Mild Steel with Square Edge Preparation Using Plasma‐GMAW Hybrid Welding Process. Frontier of Applied Plasma Technology, Vol.10, No.2, (2017) 65–70.
[8] Nguyen Van Anh, Shinichi Tashiro, Bui Van Hanh & Manabu Tanaka. Development of Plasma‐GMAW Hybrid Welding Process. 溶接学会論文集 第 35 巻 第 2 号 (2017) pp. 1325–1336.
[9] Lam TRAN, Van Anh NGUYEN, Shinichi TASHIRO, Manabu TANAKA & Thuc Ha NGUYEN. Development of Plasma‐GMAW hybrid welding process for butt joint welding of thick plate steel. Journal of Science and Technology, 119 (2017) 11–15.
[10] Lam TRAN, Hong Thanh NGUYEN & Thuc Ha NGUYEN. Research on model of arc in Plasma‐GMAW hybrid welding process with an adaptive heat source model. National conference on Mechanical & Transportation engineering, Volume 1 (2016) 299–304.