... Dynaflex welding on in-service pipelines, demonstrate the versatility of the process that can be used both for high penetration welding (buried arc) and for welding that demands greater control of the weld pool in an out of position condition (orbital welding, 5G welding position). welding speed...

... future areas of improvement. The review shows that laser-TIG hybrid welding has potential to become a versatile welding process and its industrial usage will likely increase due to its numerous benefits, such as porosity reduction, improved arc stability and increased welding speed, and the development...

... the analysis accuracy. As a result, it was found that the penetration shapes agree with each other. The heat input, welding speed, and torch distance were changed and the distribution of the BTR plastic strain increment was also compared to show the influence of the welding conditions. From the investigations...

... the parallel electrodes. welding weld joint weld bead widening heat source welding condition weld bead rad weld bead shape seam welding welding process molten pool speed welding welding speed phase difference bead appearance electrode reduction metals & mining parallelized...

... 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...

... hydraulic fracturing penetration depth hlaw process laser welding full penetration weld bead thickness arc welding hlaw welding speed penetration Comparison of Welding Processes in Welding of Fillet Joints Anna Unt, Esa Lappalainen and Antti Salminen Laboratory of Laser Processing...

... selected welding process considered, welding parameter modifications are suggested to ensure weldments are produced with desired qualities and properties, and at a high productivity rate. productivity application deposition rate welding process variation welding speed hybrid welding haz...

... locations need to be transported safely and cost effectively. Economic transport of gas using pipelines from remote sources is an important consideration in today's global economic environment. weld steel welding speed pipeline construction cost strain rate piping simulation travel speed...

... standard deviation molten pool welding speed artificial intelligence welding skill welding torch semiautomatic welding e-training system middle skilled person E-Training System of Welding Work Yasuhisa Okumoto Osaka University, Joining and Welding Research Institute Mihogaoka, Ibaraki, Osaka...

.... The conditions leading to cracking were researched, and the influence of load and welding speed on strain was investigated. Additionally, the occurrence of a solidification crack in a laser welded specimen was predicted by comparing the strain behavior achieved by numerical analysis with the BTR obtained...

... whisker composite sheet friction stir welding sic whisker hardness distribution fsw welding aluminum alloy welding speed rpm rotation speed aluminum composite whisker Friction Stir Welding of SiC Whisker Reinforced Aluminum Composites Koshi Yamamura YAMAMURA MFG.CO., LTD. Niigata, Japan...

... welding method (Kutsuna, Watanabe, Xu and Yamada, 2004) et al. are developed. Since these welding methods can be carried out with small heat input and high welding speed, they have high efficiency and productivity. The weld joints which are made by these welding processes have small HAZ and small welding...

... ABSTRACT Welding properties between 6063 and S45C by means of friction stirring were investigated. By optimizing the welding conditions, such as a rod configuration and a rotating speed, higher welding speed more than 1000 mm/min was achieved. This is feasible welding speed for industrial use...

... strength solidification narrow gap welding computed result heat input finite element simulation serial computation thermal expansion ratio pear-shaped bead computation scale parameter welding speed interface element pear-shaped bead crack welding Finite Element Simulation of Pear-shaped...

..., 2000b, 2001a, 2001b). heat input welding transient behavior tab plate deformation welding condition root gap tack weld interval welding speed torch transverse shrinkage welding deformation temperature dependent interface element shibahara tack weld interface element finite...

... ABSTRACT To produce sound nugget, it is necessary to select the most suitable conditions, such as the squeezing force, the welding current, the welding speed, the electrode shape and the mode of current. To determine them, large numbers of experiments, which require significant cost and time...

... of new surfaces. mesh division fish bone specimen propagation specimen interface element welding speed experiment bone specimen welding deformation heat input temperature dependent interface element bonding strength strength susceptibility crack length transverse cross section...

... are input to the neural network, which outputs optimum welding condition to control the penetration of the molten pool. Consequently, if unexpected change occurs in welding conditions, such as root gap, welding speed and so on, the welding system can optimumly control the welding condition. The constructed...

... the optimum welding condition changes with change of various welding situations, such as gap of groove, shape of groove welding speed. welding application brightness tungsten arc welding mild steel plate base metal welding speed penetration welding condition welding current artificial...

..., are proposed and the effectiveness is confirmed. welding condition artificial intelligence experiment welding welding speed peak current penetration control tig arc welding voltage oscillation oscillation control system partial penetration frequency metals & mining full penetration...