Laser Beam Welding Laser Beam Welding (LBW) Titanium Al Al and Ti Al sheets Aluminium alloy sheets and distortion Aluminium sheets Artificial Neural Networks (ANN) B. Information use and sociology of information BG. Information dissemination and diffusion Cu H. Information sources HP. e-resources Laser welding Mechanical properties Optimization SS Titanium and Aluminium sheets Titanium and Aluminium thin sheets channels dissimilar metals metallurgical defects and mechanical properties microstructure supports