... to combine the benefits of both laser welding and arc welding. In a hybrid laser welding process the laser beam interacts in the molten pool created by a secondary heat source, i.e., both heat sources are incident on a single weld pool (Mahrle and Beyer, 2006 and Bagger and Olsen, 2005). Hybrid laser-arc...

... deformation under laser welding are calculated. keyhole heat source keyhole formation conductivity production control upstream oil & gas artificial intelligence laser welding residual stress simulation laser beam production logging metals & mining temperature distribution laser...

... be wider than the photo visualization. And it can be applied to UUVs. With a background like that, JAMSTEC has developed an underwater 3D laser scanner applied to UUVs. And its first-prototype was completed. It can irradiate the seabed with laser beams from 20 m away at the maximum, and the distance image...

.... At that time, the CO2 laser was the only commercialized high power laser. The CO2 laser has the disadvantage that absorption and dispersion of the laser beam are likely to occur because a large amount of plasma is generated during welding. In addition, since the CO2 laser beam is transmitted by a system...

... of the WeldsimS software, which allows predictions of heat flow, microstructure and residual stresses after welding. residual stress laser toughness laser beam co 2 welding speed fiber laser hybrid welding fracture toughness akselsen beam parameter product welding steel application hybrid...

... ABSTRACT: Hybrid laser-arc welding is a combination of laser beam and conventional arc welding process (MIG) and gives the combined effect of moderate hardness and small deflections for most structural steels for shipbuilding. This paper may serve as a guideline for the qualification...

...-worked regions. Putting in compressive stress with little cold-work results in significantly reduced susceptibility to corrosion and corrosion cracking. stress corrosion corrosion inhibition metals & mining field application production chemistry offshore component laser beam surface...

... ABSTRACT This paper will review EWI's recent investigations of hybrid welding of titanium (Ti). In addition to using high power laser beams (> 1 kW) in the hybrid process to weld thick Ti alloys, EWI has also looked at using lower power lasers to stabilize the arc. The results have shown...

... quantitative information related to optical imaging is required in numerous application domains. situ size measurement laser beam operation perpendicular animal jean-françois cadiou 1 imaging video camera size measurement length measurement optical axis victor 6000 verena trenkel 2...

... or with a digital camera, a laser scanner with an amplitude modulated laser beam, and a coordinate measuring machine using pattern recognition with a special probe. These products were evaluated by ease of use, time required for measurement, and measuring accuracy. Two measuring experiments revealed...

... ABSTRACT The difficulty of viewing through turbid water-due to obstruction from backscattered rays-is overcome by adopting the range gatecamera, which is actuated only during the interval when useful laser signals are reflected from the object illuminated by pulsed laser beam. Experiments...