Surface treatment by variable-polarity arc to promote the energy absorption in laser welding of aluminum alloy, a preliminary study

TMS Annual Meeting

Volumn 3, Issue , 2009, Pages 139-146

  Sarrafi, Rouzbeh ^a   Lin, Dechao ^a   Kovacevic, Radovan ^a  

^a SOUTHERN METHODIST UNIVERSITY   (United States)

Author keywords

Aluminum; Laser absorption; Laser welding; Surface modification; Variable polarity arc

Indexed keywords

ALUMINUM ALLOY 6061; ALUMINUM SURFACE; APPLICATION OF LASER; CONTINUOUS LASER WELDING; EXPERIMENTAL STUDIES; KEYHOLE MODE; LASER ABSORPTION; LASER SPOT WELDING; LASER WELDING; LOW ENERGIES; MACHINE VISION SYSTEMS; MOLTEN POOL IMAGE; REFLECTIVE SURFACES; SPOT WELD; SURFACE MODIFICATION; VARIABLE POLARITY ARC; WELDING PROCESS;

ABSORPTION; ALUMINA; ALUMINUM; ALUMINUM ALLOYS; CAVITY RESONATORS; ELECTRIC WELDING; ENERGY ABSORPTION; FUNCTIONAL ELECTRIC STIMULATION; LASER BEAMS; LASER WELDING MACHINES; LASERS; MACHINERY; OPTICAL FILTERS; PLASMA DIAGNOSTICS; SPOT WELDING; SURFACE TREATMENT; WELDS;

LASER BEAM WELDING;

EID: 70349445440     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (15)

1. C. Huntington. T. Eagar. "Laser Welding of Aluminum and Aluminum Alloys", Welding Journal, v 62, n4, Apr. 1983. pp. 105-107.
2. T. Watanabe, Y. Yoshida, and T. Arai. Proceedings of Laser Advanced Materials Processing, Japan High Temperature Society. Nagaoka, 1992. pp. 505-510.
3. X. Cao, W. Wallace. C. Poon, and J. Immarigeon, "Research and Progress in Laser Welding of Wrought Aluminum Alloys. I. Laser Welding Processes," Materials and Manufacturing Processes, 2003, v 18, n 1. pp. 1-22.
4. F. Dausinger, "Laser Welding of Aluminum Alloys: From Fundamental Investigation to Industrial Application", Proceedings of SPlE - The International Society for Optical Engineering, v 3888, 2000, pp. 367-379.
5. T. Foreman, A. Kaplan, J. Powell, C. Magnusson, "Nd: YAG Laser Welding of Aluminum; Factors Affecting Absorptivity," Lasers in Engineering, v 8, n 4, 1999, pp. 295-309.
6. J. Xie, A. Kar, "Mathematical Modeling of Melting during Laser Materials Processing", Journal of Applied Physics, v81, n7, 1997, pp. 3015-3022.
7. K. Howard, S. Lawson, Y. Zhou, "Welding Aluminum Sheet Using a High-power Diode Laser," Welding Journal, v 85, n 5, 2006, pp. 101.s-110.s.
8. J. Xie, A. Kar, "Laser Welding of Thin Sheet Steel with Surface Oxidation," Welding Journal, v 78, n10, 1999, pp. 343.s to 348.s.
9. W. Xijing, S. Katayama, A. Matsunawa, "Character of Melting and Evaporation in Laser Beam Welding of Two Aluminum Alloys," Welding Journal, v 76, n 2, 1997, pp. 70.s-73.s.
10. D. Weckman, H. Kerr, J. Liu, "The effects of process variables on pulsed Nd: YAG laser spot welds: Part II-AA 1100 aluminum and comparison to AISI 409 stainless steel", Metallurgical and Materials Transactions B, v 28, n4, 1997, pp. 687-700.
11. A. Robert, T. Debroy, "Geometry of Laser Spot Welds from Dimensionless Numbers" Materials Transactions B, v 32, n 5, 2001, pp. 941-947.
12. Yoshino, F., Simidzu, H., Katayama, S., and Matsunawa, A. "Pulsed Nd: YAG laser spot welding of aluminium alloy," Proceedings of Laser Advanced Materials Processing, Japan High Temperature Society, 1992, Nagaoka, Japan, pp. 511-516.
13. B. Yilbas and A. Kar, "Laser Spot Welding and Efficiency Consideration", Journal of Materials Engineering and Performance, v 6, n 6, 1997, pp. 766-770.
14. J. C. Ion, "Laser Beam Welding of Wrought Aluminum Alloys," Science and Technology of Welding and Joining, v5, n5, 2000, pp. 265-276.
15. I. Jones, S. Riches, J. Yoon, E. Wallach, "Laser Welding of Aluminum Alloys," TWI J, v7 n2, 1998, pp. 421-481.