Process instability in laser welding of aluminum alloys at the boundary of complete penetration

2001 ◽  
Vol 13 (5) ◽  
pp. 193-198 ◽  
Author(s):  
T. Forsman ◽  
J. Powell ◽  
C. Magnusson
Keyword(s):  
Aluminum Alloys ◽  
Laser Welding

scholarly journals Remote Laser Welding of Steel and Aluminum Alloys

2017 ◽  
Vol 14 (1) ◽  
pp. 32-35 ◽  
Author(s):  
Florian Albert ◽  
Philip Marben ◽  
Tom Graham
Keyword(s):  
Aluminum Alloys ◽  
Laser Welding ◽  
Remote Laser Welding

Process stabilization by dual focus laser welding of aluminum alloys for car body

2003 ◽  
Author(s):  
Kimihiro Shibata ◽  
Takakuni Iwase ◽  
Hiroki Sakamoto ◽  
Friedrich H. Dausinger ◽  
Bernd Hohenberger ◽  
...  
Keyword(s):  
Aluminum Alloys ◽  
Laser Welding ◽  
Focus Laser ◽  
Car Body

scholarly journals Effect of pulse frequency on laser welding on SiCp/6061 aluminum alloys with powder

2021 ◽  
Vol 2079 (1) ◽  
pp. 012022
Author(s):  
Yongchao Jian ◽  
Yan Shi
Keyword(s):  
Tensile Strength ◽  
Aluminum Alloys ◽  
Laser Welding ◽  
Base Metal ◽  
Welded Joints ◽  
Molten Pool ◽  
Particle Distribution ◽  
Pulse Frequency ◽  
Uneven Distribution

Abstract Because of the uneven distribution of reinforcement particles in the molten pool during laser welding of SiCp/6061Al composites with powder, the effect of pulse frequency on the homogenization was studied in this paper. The pulse frequency of welding is changed and the macro morphology of the weld is studied by metallographic microscope. The particle uniformity of reinforcing phase and the porosity of molten pool at different frequencies were compared. The tensile strength of welded joints at different frequencies was tested by universal tensile machine. Finally, when the pulse frequency is 160Hz, the particle distribution of reinforcing phase is the most uniform and the tensile strength is the largest. The tensile strength reaches 267.06MPa, reaching 69.1% of the base metal. When the pulse frequency is 320Hz, the porosity of the weld is the lowest, reaching 1.75%.

Laser Welding Conditions to Improve Tensile Strength and Fatigue Strength of a Lap Joint in Aluminum Alloys

2007 ◽  
Vol 35 (4) ◽  
pp. 100077
Author(s):  
M. R. Mitchell ◽  
R. E. Link ◽  
Kyohei Kawamoto ◽  
Shintaro Yoshimitsu ◽  
Hiroshi Noguchi ◽  
...  
Keyword(s):  
Tensile Strength ◽  
Fatigue Strength ◽  
Aluminum Alloys ◽  
Laser Welding ◽  
Lap Joint

Direct measurement of reflectance from aluminum alloys during CO_2 laser welding

1996 ◽  
Vol 35 (18) ◽  
pp. 3237 ◽  
Author(s):  
Bülent A. Mehmetli ◽  
Kunimitsu Takahashi ◽  
Shunichi Sato
Keyword(s):  
Aluminum Alloys ◽  
Laser Welding ◽  
Direct Measurement
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