Lucas F. M. da Silva is Full Professor at the Department of Mechanical Engineering at the Faculty of Engineering of the University of Porto (FEUP). He leads the Advanced Joining Processes Unit (AJPU) of the Institute of Science and Innovation in Mechanical Engineering and Industrial Engineering (INEGI).Maria de Fátima Reis Vaz is Full Professor with Habilitation of the  Scientific Area of Mechanical Projects and Engineering Materials of the Mechanical Engineering Department of Instituto Superior Técnico (IST)) and Researcher and Coordinator of the Materials and Manufacturing Processes Research Group IDMEC/LAETA (Mechanical Engineering Institute). Her research work includes materials characterization with particular focus on the structural and mechanical properties of materials.Marion Merklein is Chair of Manufacturing Technology at Friedrich-Alexander-University Erlangen-Nürnberg. Her research interests include mechanical engineering with a focus on forming, joining by forming, material characterization and modeling, additive manufacturing, and digitalization of production processes.Ricardo J. C. Carbas is currently Postdoctoral Researcher at the Advanced Joining Processes unit, part of the Institute of Mechanical Engineering and Industrial Management (INEGI). He obtained his Ph.D. in functionally graded bonded joints from the Faculty of Engineering of the University of Porto in 2013 and regularly carries out consultancy work for national and international companies.

• Heat treatment.- Study of the Influence of Different Quenching Oils on the Hardness and Microstructure of Carburizing Steels.- Rolling.- The influence of cross-wedge rolling on the microstructure of railway axles made of EA1N steel.- Analysis of the effect of tapered roll geometry on the parameters of the skew rolling process of a railway axle forging.- Additive manufacturing.- Enabling solidification processes of complex shapes using common Additive Manufacturing technologies: Initial experiences.- A Systematic Study of Large Format Additive Manufacturing.- Joining.- Approach to improve the Reproducibility and to decrease the Deformation during Diffusion Bonding of Parts with arbitrary Geometries.- Fatigue.- Fatigue analysis of a cross wedge rolled rail axle.- Fatigue analysis of the material of a railway axle manufactured in a CNC rolling mill.- Assessment of the fatigue performance of forging die steels in corrosive and lubricant media.