Chapter 1: Friction Stir Welding TechnologiesInnovative Method for Overlap Friction Stir Welding (FSW) of 1 mm Thick Sheets of 5754 Aluminium Alloy, on Tilted JigTesting of an Innovative Method for Overlap Friction Stir Welding (FSW) of 1 mm Thick Sheets of 5754 Aluminium Alloy, on Tilted JigFriction Stir Welding in Inert Gas Environment (FSW-IG) of AZ31B Magnesium AlloyConsiderations Regarding Friction Stir Welding of Stainless SteelsStudies Regarding FCAW Welding of Dissimilar Joints between Duplex Stainless Steel and Naval Carbon SteelFracture Characteristics of AZ31B and Cu 99 Tensile Test Specimens Joined by FSW and FSW-IG ProcessesComparison of Two Numerical Models for Friction Stir WeldingChapter 2: Welding, Soldering and Adhesive JointsSome Helpful Features of the Tig Welding Process Using High Frequency Pulsed ArcEffect of Pre-Heating and Post-Weld Local Heat Treatment on the Microstructure and Mechanical Properties of Low-Cost β-Titanium Alloy Welding Joints, Obtained by EBWStructure and Mechanical Properties of High Strength Steel 960QL WeldmentsDevelopment of Self-Shielded Flux-Cored Wires for Arc Welding of Low-Alloy SteelsOn some Possibilities for Optimizing the Wire Electrical Discharge Machining (WEDM) Processing of Welded Joints Applied to Stainless SteelStudy on Soldering Alloy Structure Influence on Whiskers Germination and Grow Process in Joints Executed Using Tin Base Soldering AlloysProperties of Hybrid Aluminium-Steel Joints Made by Resistance Spot WeldingThe Influence of Drying Time on a Glass - Adhesive - Steel BondingCritical Analysis of some Practices of Joining Stainless Steel Pipes Used in the Food Industry from the Perspective of Hygienic Welding PrinciplesChapter 3: Electrochemical EngineeringSynthesis and Characterization of Chitosan/κ-Carrageenan/Mesoporous Phosphotungstic Acid (mPTA) Electrolyte Membranes for Direct Methanol Fuel Cell (DMFC) ApplicationsSynthesis and Characterization of BiOI Films for Photo-Electrochemical Cell via Simple Heating Process of BiI3Synthesis and Characterization of Chitosan/Alginate/Mesoporous Phosphotungstic Acid Electrolyte Membranes for Direct Methanol Fuel Cell ApplicationsPhysicochemical Studies of Chitosan Blended Sulfonated Poly Ether-Ether Ketone and Graphene Oxide as Filler for Direct Methanol Fuel CellThermodynamic and Adsorption Properties of Flavonoid Rutin from Cassava (Manihot esculenta) Leaves as a Corrosion Inhibitor on the Mild Steel in Sulfuric Acid Solution