2010
DOI: 10.1016/s1005-0302(10)60046-1
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Effect of Laser Welding on Properties of Dissimilar Joint of Al-Mg-Si and Al-Mn Aluminum Alloys

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Cited by 30 publications
(14 citation statements)
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“…5, we can observe that during welding of aluminium, CO 2 lasers are reflected more than Nd:YAG lasers. CO 2 lasers generally have an efficiency of 20 %, with a very good beam quality, high precision and high welding speed (Chang et al 2010). High surface reflectivity, high thermal conductivity and volatilisation of low boiling point constituents make LBW of aluminium quite difficult (Tu and Paleocrassas 2011).…”
Section: Characteristics Of Laser Beam Weldingmentioning
confidence: 99%
See 1 more Smart Citation
“…5, we can observe that during welding of aluminium, CO 2 lasers are reflected more than Nd:YAG lasers. CO 2 lasers generally have an efficiency of 20 %, with a very good beam quality, high precision and high welding speed (Chang et al 2010). High surface reflectivity, high thermal conductivity and volatilisation of low boiling point constituents make LBW of aluminium quite difficult (Tu and Paleocrassas 2011).…”
Section: Characteristics Of Laser Beam Weldingmentioning
confidence: 99%
“…6) and the fastening system of the welding components (Chang et al 2010). Studies (Hu and Richardson 2004;Cicala et al 2005) have shown that cracking in the weld fusion zone increases with increasing weld transverse speeds.…”
Section: Characteristics Of Laser Beam Weldingmentioning
confidence: 99%
“…At a constant laser power and the focal point position, the maximum tensile load was obtained at a welding speed of 20 mm/s. Because the penetration depth was inversely proportional to the welding speed for a given focal position and power, an increase in welding speed at constant power results in a corresponding decrease in penetration depth because of the reduction in the heat input [13]. Therefore, at welding speeds of 30 mm/s and 40 mm/s, the tensile load of the joints was decreased.…”
Section: Fig 2 Effect Of Laser Power On Tl Of Jointsmentioning
confidence: 99%
“…El-Batahgy and Kutsuna [12] clarified the effect of welding parameters on the porosity level and solidification cracking and they found that the tendencies for porosity and solidification cracking were increased at high welding speed conditions. Chang et al [13] showed that the welding defect rate of the pulsed wave type was larger than that of the continuous type, and the crack rate was reduced with decreasing welding speed. Kim and Park [14] investigated the effect of the process variables on the tensile strength of the laser welded 5J32 aluminium alloy.…”
Section: Introductionmentioning
confidence: 99%
“…on the final characteristics of dissimilar laser welds can be found in several experimental studies. [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19] Most of these works are focused on the effect of laser parameters on weld bead geometry although some of them study also other characteristics of the joints such as the mixing behavior of the materials in the fusion zone, the microstructure, the presence of defects, hardness, and mechanical properties. Some authors [20][21][22][23][24] state that a displacement and/or tilting of the laser beam is a good strategy for welding dissimilar materials, able to yield good mechanical properties, high reliability, and repeatability in an industrial application.…”
Section: Introductionmentioning
confidence: 99%