Preface Chapter 1: Structural Alloys Tribological Properties of Spark Plasma Sintered Ti48Al48Cr2Nb2 Alloy A Study on Alloy Characterizations for Long Term Service Based Effects on Materials Effect of Adding Minor Cu Amounts on Stability of Constituent Phases in AlxCrFeMnNi High Entropy Alloy Microstructure Chapter 2: Polymers and Composites Surface Finish Optimization of Vapor Smoothened PLA Fabricated Parts with Microstructural Analysis Investigation of the Mechanical Properties of Urethane Dimethacrylate (UDMA) Reinforced with Abaca Cellulose for Vat Photopolymerization (VP) Chapter 3: Materials Corrosion and Corrosion Protection TiO2- Polyurethane Cocopol Blend Nanocomposites as an Anticorrosion Coating for Mild Steel Effect of Gadolinium Content on the Microstructures and Corrosion Properties of Mg-4Zn-3Gd Alloy Corrosion Inhibitive Effects of Orange Juice for Brass in Acidic Medium 5M H2SO4 Investigation of the Adsorption Characteristics of Theobroma cacao Peels Biomass Inhibitors on Mild Steel Surfaces by EIS, SEM-EDX, XPS, and Chemical Studies in Acidic Media Effects of Sn on Corrosion Resistance of Rare-Earth-Free Mg-2Zn Alloy Chapter 4: Numerical Investigations and Modelling Mitigation of Erosion Wear Produced by Fly-Ash Slurry on 900 Elbow by Changing the Cross-Section Shape and Area Ratio Integrated Phase Field and Machine Learning Study of Microstructure Evolution during Interface-Controlled Spinodal Decomposition Exploring Sintering, Densification, and Mechanical Behaviour of Invar Alloys through Molecular Dynamics Simulations Thermostamping Simulation of a Carbon Fiber-Reinforced PAEK Composite Stringer.