Wang Zhang, Bin Tang, Yanbin Guo, Xueming Hua, Fang Li. Investigation on Surface Forming and Stability of Laser+Pulse Melting Gas Metal Arc Hybrid Welding[J]. Laser & Optoelectronics Progress, 2020, 57(17): 171401
- Laser & Optoelectronics Progress
- Vol. 57, Issue 17, 171401 (2020)
Fig. 1. Definition of weld morphology and weld width variation
Fig. 2. Influence of welding voltage input and the pitch of the optical fiber on weld surface morphology
Fig. 3. Trends of welding parameters' influence on welding stability. (a) Welding voltage and laser power; (b) arc voltage and distance laser-arc; (c) distance laser-arc and laser power
Fig. 4. Droplet transition diagram and electric signal diagram of stable welding process. (a) Simplified diagram of droplet transition; (b) electric signal diagram of welding process; (c) plasma morphology
Fig. 5. Drop transition diagram and electric signal diagram of extremely unstable welding process caused by abnormal intermittent transition. (a) Simplified diagram of droplet transition; (b) electric signal diagram of welding process; (c) plasma morphology
Fig. 6. Drop transition diagram and electrical signal diagram of extremely unstable welding process caused by abnormal short circuit transition. (a) Simplified diagram of droplet transition; (b) electric signal diagram of welding process; (c) plasma morphology
Fig. 7. Model diagram of droplet transition shape and weld stability. (a) Abnormal intermittent transition (large and small drops); (b) abnormal short circuit transition
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Table 1. Three-factor 5-level table designed according to Minitab
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Table 2. Orthogonal test output response table
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