Gaolei Zhang, Hua Kong, Jianglin Zou, Zhenjia Zhao, Rongshi Xiao. Spatter Characteristics of High-Power Fibre Laser Deep Penetration Welding and Effect of Defocus on Spatter[J]. Chinese Journal of Lasers, 2021, 48(22): 2202008
- Chinese Journal of Lasers
- Vol. 48, Issue 22, 2202008 (2021)
Fig. 1. Experimental device diagrams. (a) Observation of spatters and molten pool; (b) spatter collection device
Fig. 2. Formation process of spatter particles
Fig. 3. Probability distribution of spatter particle size
Fig. 4. Variations of plume and spatters characteristics with defocus
Fig. 5. Relationship between molten pool and defocus
Fig. 6. Variations of plate mass loss and number of spatters with defocus
Fig. 7. Variations of penetration, weld width, and keyhole diameter with defocus
Fig. 8. Schematic of calculating the inclination angle of the front keyhole wall
Fig. 9. Variation of tilt angle of the front keyhole wall with the defocus
Fig. 10. Relationship between metal vapor and spatter
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