Experimental Design in Plasma Welding of SUS 304 Stainless Steel Thin Plates

Authors

  • Minh Hung Ha National Research Institute of Mechanical Engineering
  • Duong Vu Duy Tan University
  • Hai Tinh Do National Research Institute of Mechanical Engineering

DOI:

https://doi.org/10.12928/spekta.v4i1.7864

Keywords:

Plasma welding of stainless steel, Experiment design, Tensile strength, Mathematical mode, Butt weld

Abstract

Background: This research focuses on the evaluation of the independent influence and the bidirectional interaction of some welding parameters in butt welding for the SUS 304 stainless steel thin plates using the automatic plasma welding system (450 +/- Plasma, SP7Turmatic from Lincoln).

Contribution: The findings will serve as a reliable background to design the mathematical model for the prediction of the tensile strength for the plasma welding of   steel SUS 304 thin plates in terms of the nomination of the optimal process for adopting the requirement in industry.

Method: The welding setting is nominated for 04 main changing parameters, such as the peak current of welding (Ih, A); the background current of welding (Ib, A); the welding speed (vh, cm/min); the feeding rate of the welding wire (vc.d, cm/min); the diameter of the wire (d = 1.0 mm); and the flow rate of the shielding gas (Gk.p, 2.0 l/min). Mathematical statistics software ANOVA using to analyze the influence of the parameters on the tensile strength of the weld as the target function.

Results:  The tensile strength of the plasma welding samples is about 650 MPa at the equivalent level of the other publications. This proved the reasonable welding setting for the preliminary investigation.

Conclusion: Authors proved the nomination of the main plasma welding technological parameters, such as the peak current, the background current, the welding speed, and the feeding rate of the wire, is reasonable towards the maximum tensile strength, one of the important criteria in the weld performance

Author Biographies

Minh Hung Ha , National Research Institute of Mechanical Engineering

1 National Research Institute of Mechanical Engineering, Ha noi, Vietnam

2 High-Tech Development Institute, Ha noi, Vietnam.

Duong Vu , Duy Tan University

Duy Tan University, Da Nang, Vietnam

Hai Tinh Do , National Research Institute of Mechanical Engineering

National Research Institute of Mechanical Engineering, Ha noi, Vietnam

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Published

2023-06-12

How to Cite

Hung Ha , M. ., Vu , D. ., & Tinh Do , H. . (2023). Experimental Design in Plasma Welding of SUS 304 Stainless Steel Thin Plates . SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi Dan Aplikasi), 4(1). https://doi.org/10.12928/spekta.v4i1.7864

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