PrefaceChapter 1: Properties and Processing Technologies of Aluminum and Aluminum AlloysFeasibility Study of Solid-State Recycling through Direct Hot Rolling of AA5754 Aluminum Chips for Automotive ApplicationsOptimization of Geometric Design of Extruded Products Incorporating Properties, Cost and CO2 FootprintInfluence of Different Aging Times and Temperatures on Microstructural and Mechanical Properties of EN AW-6XXX Aluminum AlloysEffect of Homogenization Cycle on Precipitation of Dispersoids and Abnormal Grain Growth in an Al-Mg-Si AlloyChapter 2: Additive ManufacturingFurther Analysis into Best Infill Structure Used in Additive Manufacturing for Mechanical ApplicationsAn Analysis of the Advancements in Laser-Powered Direct Energy Deposition for Parts RepairChapter 3: Polymers and CompositesPolystyrene Novel Composites with Enhanced Thermal Stability and Improvised ConductivityLife Estimation and Thermal Degradation Kinetics of Ethylene-Propylene-Diene Monomer (EPDM) and Silicone Rubber (SiR) BlendInvestigating the Mechanical Enhancement of Epoxy Composites with Human HairInvestigating the Debonding of Aluminum and Carbon Fiber Reinforced Polymer (Al-CFRP) in Type-III Filament-Wound Composite Vessels Subject to Temperature VariationsInfluence of Silane-Modified Soybean Oil as an Environmentally Friendly Processing Oil on the Properties of Silica-Reinforced Rubber CompoundsEffect of Limonene on the Tensile Properties and Chemical Changes of Natural Rubber Products