Intro -- 6th International Conference on Advanced Materials Science -- Preface -- Table of Contents -- Chapter 1: Properties and Processing of Structural Metals -- Effect of Thickness Hardened SKD 11 Modified Steel on the 7.62 mm Ballistic Performance -- Single-Bead Microstructures of an AlCrFeCoNi High Entropy Alloy Processed by the Laser Directed Energy Deposition -- Effect of Shielded Metal Arc Welding on Microstructure, Hardness, and Tensile Strength of Nodular Cast Iron -- Characterization of Gray Cast Iron with the Addition of 3 Wt.% FeMn in the Casting Process with Metal Molds and Sand Molds -- Chapter 2: Polymers and Composites -- Effect of Ribbed Smoked Sheet/Ethylene Propylene Diene Monomer Ratio on Mechanical Properties of Compounds for Pneumatic Fender Applications -- The Effect of Oligomeric Resins on Tire Traction of SBR/BR-Based Rubber Blends -- Investigation into the Impact of Graphene Oxide (GO) on Microstructural Characteristics in Geopolymer Composites Derived from Fly Ash -- The Effect of Graphene Oxide (GO) on Mechanical Properties of Fly Ash-Based Geopolymer-GO Composites -- Chapter 3: Nanoparticles Synthesis -- Ferrite (Fe) Doping in Strontium Titanate (SrTi1-xFexO3) to Improve Photocatalytic Activity -- Synthesis of Nanoparticles from Bamboo Charcoal -- Synthesis of Gold Nanoclusters Encapsulated by Human Serum Albumin and its Application as Glucose Detection Based on Fluorescence Technique -- Chapter 4: Mining and Metallurgical Production -- Thermal Beneficiation of a Nickel Laterite Ore from the Obi Island of North Maluku, Indonesia Using Corncob Char as Reductant -- Iron Recovery Technology from Copper Processing Plants -- Chapter 5: Machines and Equipment -- Modification of Drag and Lift Balance at Analog Wind Tunnel for Identification of Aerodynamic Performance.