PrefaceChapter 1: Functional and Special MaterialsTransport Properties Study of ZnSb Compound Using BoltzTrap First-PrinciplesStrong Acousto-Plasmonic Coupling in Film-Coupled Nanoparticles Mediated by Surface Acoustic WavesTheoretical Investigation of Optoelectronics Properties of Titanium Dichalcogenides Materials TiX2 (X=S, Se, Te) Using Quantum EspressoChapter 2: Welding Technologies and Properties of Welded ConnectionsDetermination of Mechanical Properties for Laser Welded Turbine Rotor Assemblies for Automotive Turbocharger ApplicationsExperiments on Gas-Metal-Arc Welding (MAG) with Combined Spin-Arc and Weaving Facilities, for Interdisciplinary ApplicationsDevelopment of a Gas-Metal-Arc Welding Technology with Combined Spin-Arc and Weaving Facilities for Ship BuildingUltrasonic Welding Behaviour of Composited Achieved by Additive ManufactureCapacitor Energy Storage Welding of Ni63Cr12Fe4Si8B13 Amorphous RibbonsInvestigation of Hardfacing on Ultra-High Strength Steel Base MaterialThe Behaviour of Hybrid Aluminium-Steel Resistance Spot Welded Joints in Case of Dynamic LoadingEffect of TIG-Welding on the Structure and Mechanical Properties of Low-Cost Titanium Alloy Ti-2.8Al-5.1Mo-4.9Fe Welded JointsSome Contributions to the Optimization of MIG Spot Welding of Aluminum AlloysResearch on the Reconditioning of Injection Moulds by LASER WeldingWelding Joint Made of Two Different Austenitic MaterialsApplication of Static Magnetic Field to Modify Heat and Mass Transfer during Welding of Shipbuilding SteelHigh Cycle Fatigue Testing of Lap Shear RSW Joints from Martensitic MS1400 Steel SheetsDevelopment and Improvement of Numerical Models of Welded Joints with Multiple DefectsComparative Analysis of the Quality of some Welded Joints Made in Maintenance Interventions in the Food IndustryUsing Fundamental Parameters and Artificial Neural Network for Controlling the Laser Welding of Metals