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This book offers a comprehensive overview of current research and technological innovation in manufacturing engineering, featuring peer-reviewed chapters selected from the 13th Brazilian Manufacturing Engineering Congress (COBEF 2025). Readers will find in-depth studies across eleven key areas including Additive Manufacturing, Casting, Composites, Machining, Materials, Metrology, and Welding each chapter presenting refined and, in some cases, translated work that reflects methodological rigor, relevance, and originality. The volume includes contributions from leading experts and covers topics such as advanced manufacturing processes, computational modeling, design for manufacturing, and active learning strategies, providing valuable insights for academic researchers, practicing engineers, and students seeking to understand emerging trends and practical applications shaping the future of manufacturing in Brazil and beyond.
Sommario
Low cost and in line monitoring system for pressure estimation in a FFF 3D printhead.- Application of Topological Optimization Procedure in Mechanical Soft Tooling Design.- Corrosion performance of AISI 410L Martensitic Stainless Steel Parts Manufactured by Laser Directed Energy Deposition in Different Parametrizations.- Development of Parameters for the Manufacture of Fe 3.5wt Si by Laser Powder Bed Fusion (LPBF).- ALTPRINT Algorithm for Additive Planning with local variation of filling of the extruded filaments.- Development of Customized Cooling Channels for Molds Using Numerical Simulations and Additive Manufacturing.- Effects of Electrolyte Temperature on Jet ECD of Copper Monolayers in Electrochemical Additive Manufacturing.- Permanent Mold Casting of A356 Alloy to Simulate Critical Parts of Lightweight Wheels in Laboratory Scale.- Determination of the Mechanical Properties of Hybrid Composite Material for Aeronautical Structures.- Development and Manufacturing of a Motor for Mini Rockets with an Apogee of 200 Meters.- Influence of Cryogenic Cooling on Surface Roughness and Cutting Forces during Milling of ASTM A890 GR 6A Super Duplex Stainless Steel.- Performance of Different Dielectrics in Carbide Removal by WEDM.- Surface Characteristics of ER70S 6 Micro slots Produced by Additive Manufacturing After Micro Milling.- Effects of the Volume to Surface Area Ratio in Cylindrical Plunge Grinding with Cryogenic Pre-cooling.- Study of the Residual Stresses Induced by End Milling and Grinding of 350 Grade Maraging Steel in Solution Treated and Aged Conditions.- Removal Mechanisms in Sintered Alumina by Flat Lapping with Cycloidal Kinematics.- Influence of Dressing Depth on the Roughness and Surface Texture of Aeronautical Alloy During Grinding.- Determination of Flow Curves for AISI 430 and AISI 430 DDQ Steel.- Application of Active Learning Methodologies and Skills Development in the Metrology Laboratory of FEM UNICAMP.- Study of Residual Stresses in Laser Cutting of High Strength Welded Tubes for Use in Vehicle Impact.- Mathematical Modelling, Mechanical Properties, Fatigue Resistance of ASTM A572 Steel and Welded Joints Obtained by GMAW and FCAW.- Analysis of Corrosion Resistance in Salt Solution of Welded Joints of AISI 409 Ferritic Stainless Steel.
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Valter E. Beal is a member of the Brazilian Association of Engineering and Mechanical Sciences and serves as an Associate Professor and Technical Leader in Industrial Product Development at SENAI CIMATEC in Salvador, Bahia. He coordinates innovation projects in various areas, collaborating with companies of different sizes and nationalities. He has extensive experience in the field of Mechanical Engineering, with an emphasis on Design Methodologies, Mechanical Design, Simulation, Manufacturing, and 3D Printing/Additive Manufacturing.
Armando S. Ribeiro Junior is a Full Professor at the Federal University of Bahia and the leader of GITEC - the Technological Innovation Group at UFBA. He has experience in the field of Mechanical Engineering, with an emphasis on design, primarily working on the following topics: non-linear analysis using the finite element method, injection molding, and product development.
