Zhaozhan Qu, Lingbo Cai, Jianlei Wang, Chun Wang. Experimental Study of Laser Welding Transparent Polycarbonate[J]. Laser & Optoelectronics Progress, 2023, 60(1): 0114003
- Laser & Optoelectronics Progress
- Vol. 60, Issue 1, 0114003 (2023)
Fig. 1. Schematic diagram of laser transmission welding
Fig. 2. Transmittance of the PC material (inset: zoom-in transmission curve in the dotted box)
Fig. 3. Welding device
Fig. 4. Effect of welding speed on the tensile force of specimen with laser power of 20 W
Fig. 5. Microstructure of welding seam with different welding speeds. (a)
Fig. 6. Relationship between weld width and tensile force with welding speed
Fig. 7. Effect of laser power on the tensile force of specimens with welding speed of 8 mm/s
Fig. 8. Definition of the defocusing amount
Fig. 9. Welding specimens with different defocusing amounts. (a)
Fig. 10. Tensile force with different defocusing amounts
Fig. 11. Welding specimens after tensile test. (a) Weld fractured; (b) weld separated
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