Federal University of São Carlos | Brazil
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🎓 Early Academic Pursuits: Building the Foundation of Expertise
Mr. Guilherme Vacchi began his academic journey at the prestigious Federal University of São Carlos (UFSCar), earning his degree in Materials Engineering. His passion for metallurgical science and corrosion phenomena led him to pursue both a Master’s and Ph.D. from the same institution. During this formative phase, he specialized in welding processes, corrosion mechanisms, and microstructural characterization, laying the groundwork for a lifelong dedication to materials science.
🧑🏫 Professional Endeavors: Bridging Theory and Application
With over seven years of teaching experience at both technical and university levels, Guilherme has shaped the next generation of engineers. He currently serves as a postdoctoral researcher at UFSCar, actively engaging in advanced corrosion and welding studies. Alongside his academic role, he contributes to industry by offering consultancy services in corrosion, welding techniques, and electrochemical testing—proving his versatility across theoretical and applied domains.
🔬 Contributions and Research Focus: A Precision-Driven Vision
Mr. Vacchi's research targets critical areas in corrosion science, stainless steels, nickel-based alloys, and solid-state welding techniques like friction stir welding. His completed and ongoing projects explore abrasion-impact resistance, high-temperature oxidation, and failure analysis of advanced materials. Through a keen focus on structural integrity in aggressive environments, his studies illuminate the behavior of materials under industrial and marine conditions, influencing both academic understanding and industrial practices.
🏅 Accolades and Recognition: Earned Through Rigor and Innovation
With an h-index of 9, over 250 citations, and publications in high-impact journals such as Corrosion Science, Applied Surface Science, and Advanced Engineering Materials, Guilherme's contributions are globally acknowledged. He has also co-authored a chapter in a recognized materials science book, further underlining his scholarly reach. His role as a reviewer for top-tier journals and memberships in national symposiums reflect his academic credibility.
🌐 Impact and Influence: A Catalyst for Change in Materials Science
Through collaborations with notable scholars across Brazil and Europe—including affiliations with Graz University of Technology and Helmholtz-Zentrum Hereon—Mr. Vacchi advances international research dialogues. His consultancy engagements foster innovation transfer between academia and industry, particularly in sectors requiring high corrosion resistance and material performance. He is actively involved in shaping curricula and developing educational resources in metrology, welding, and material integrity.
🚀 Legacy and Future Contributions: Shaping the Material World
Looking forward, Guilherme dos Santos Vacchi aims to continue pushing boundaries in corrosion science and welding innovation. His evolving research on super duplex stainless steels and shape memory alloys promises valuable insights for industries such as offshore engineering, energy, and biomedical devices. With a passion for sustainable solutions and integrity in engineering design, he stands poised to leave a lasting legacy in the field of materials engineering.
Publications
📄Unraveling the Cr₂N Precipitation and Its Negative Effect on the Corrosion Resistance of Friction Stir Welded UNS S32760 Super Duplex Stainless Steel
Author(s): G.S. Vacchi, W.S. de Carvalho, C.P. Meinhardt, L.A. Bergmann, S.T. Amancio-Filho, C.A.D. Rovere
Journal: Surfaces and Interfaces
Year: 2025
📄Microstructural Evolution and Localized Corrosion Behavior of Friction Stir Welded Super Duplex UNS S32760 in Chloride-Containing Environments
Author(s): G.S. Vacchi, D.C.C. Magalhães, A.A. Mendes Filho, O.M. Cintho, C.P. Meinhardt, L.A. Bergmann, C.A.D. Rovere
Journal: Journal of Materials Research and Technology
Year: 2025
📄Influence of Long-Term Immersion Tests on the Electrochemical Corrosion Behavior of an Ultrafine-Grained Aluminum Alloy
Author(s): Guilherme dos Santos Vacchi, Danielle Cristina Camilo Magalhães, Cristie Luis Kugelmeier, Rodrigo da Silva, Anibal de Andrade Mendes Filho, Andrea Madeira Kliauga, Carlos Alberto Della Rovere
Journal: Metals
Year: 2024
📄Corrosion Behavior of 316L Stainless Steel Reinforced by Dispersed Yttria Stabilized Zirconia Fabricated by Spark Plasma Sintering
Author(s): Lucas de Figueiredo Soares, Francisco Maciel Brito Neto, Lucas Moura Montenegro Reis, Guilherme dos Santos Vacchi, Sergio Neves Monteiro, Carlos Alberto Della Rovere, Vera Lúcia Arantes
Journal: Journal of Materials Research and Technology
Year: 2024
📄A Survey on the Oxidation Behavior of a Nickel-Based Alloy Used in Natural Gas Engine Exhaust Valve Seats
Author(s): José Henrique Alano, Renato Siqueira, Claudio Martins Júnior, Rodrigo Silva, Guilherme Santos Vacchi, C.A. Della Rovere
Journal: Metals
Year: 2022