Characterizing keyhole plasma light emission and plasma plume scattering for monitoring 20 kW class CO2 laser welding processes

Journal of Laser Applications

Volumn 14, Issue 3, 2002, Pages 146-153

  Tu, J ^a   Miyamoto, I ^b   Inoue, T ^b  

^a SCHOOL OF INDUSTRIAL ENGINEERING   (United States)

^b OSAKA UNIVERSITY   (Japan)

Author keywords

Keyhole; Laser welding; Plasma; Plasma plume; Scattering

Indexed keywords

CARBON DIOXIDE LASERS; EIGENVALUES AND EIGENFUNCTIONS; GLASS; LIGHT EMISSION; LIGHT SCATTERING; LIGHT TRANSMISSION; PLASMAS; SHEET METAL; SPECTROSCOPIC ANALYSIS; SPECTRUM ANALYSIS; TRANSMISSION ELECTRON MICROSCOPY;

KEYHOLE PLASMAS; PLASMA PLUMES;

LASER BEAM WELDING;

EID: 0036690442     PISSN: 1042346X     EISSN: None     Source Type: Journal    
DOI: 10.2351/1.1493763     Document Type: Article

References (26)

1. 2 laser welding
2. Analysis of evaporation in laser welding
3. Fundamentals of laser processing of materials
4. 2 lasers
5. Physical phenomena and their interpretation in laser materials processing
6. 2 laser welding
7. 2 laser
8. Plasma in photon matter interaction during laser material processing
9. Challenge of laser advanced materials processing
10. Dynamics of keyhole and molten pool in laser welding
11. Development of in-process monitoring system for laser welding
12. On-line monitoring of penetration depth in laser beam welding
13. In-process monitoring of weld quality using multi-photosensor system in pulsed Nd:YAG laser welding
14. 2 laser welding of thick sections
15. Theoretical analysis of weld penetration due to high energy density beam
16. Beam-plasma coupling in laser material processing
17. Modeling of deep penetration laser welding process: Application to the analysis of the energy coupling inside the keyhole
18. Modeling of deep penetration laser welding process: Application to the analysis of the energy coupling inside the keyhole
19. CALAS - A process model for laser beam welding
20. Laser processing centers and their research projects in Japan
21. 2 laser welding
22. Thermal coupling inside the keyhole during process
23. 2 laser welding