Experimental and Simulation Studies of Micro-Swing Arc Welding Process for X80M Pipeline
Abstract
:1. Introduction
2. Test Method and Equipment
3. Numerical Simulation and Swing Welding Model
3.1. Welding Heat Source Model
- (1)
- The ab segment is the dwell stage on the left of the weld, in which VY is constant and VX is equal to 0;
- (2)
- The bc segment is the left-to-right swing stage, where VY remains unchanged, and VX is in the direction from left to right;
- (3)
- The cd segment maintains the constant VY, and VX is 0;
- (4)
- The de segment is the right-to-left swing stage, where the direction of VX is opposite to that in the bc segment.
3.2. Finite Element Model
3.3. Governing Equation and Boundary Conditions
4. Results and Discussion
4.1. Melting Point Analysis Based on In Situ Laser Confocal System
4.2. Experimental Investigation of Pipeline Automatic Swing Welding
- (1)
- Welding process parameters
- (2)
- Weld bead formation and incomplete fusion on sidewalls
- (3)
- Welding temperature field
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
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Luo, Z.; Li, Y.; Zhang, H.; Wang, P. Experimental and Simulation Studies of Micro-Swing Arc Welding Process for X80M Pipeline. Metals 2023, 13, 1228. https://doi.org/10.3390/met13071228
Luo Z, Li Y, Zhang H, Wang P. Experimental and Simulation Studies of Micro-Swing Arc Welding Process for X80M Pipeline. Metals. 2023; 13(7):1228. https://doi.org/10.3390/met13071228
Chicago/Turabian StyleLuo, Zhili, Yan Li, Hong Zhang, and Pengyu Wang. 2023. "Experimental and Simulation Studies of Micro-Swing Arc Welding Process for X80M Pipeline" Metals 13, no. 7: 1228. https://doi.org/10.3390/met13071228