Jiří Hajnyš

Jiří Hajnyš

Jiří Hajnyš is the Head of the Protolab 3D Printing Center at the Faculty of Mechanical Engineering, VSB – Technical University of Ostrava, Czech Republic. His research focuses on polymer and metal additive manufacturing, with particular emphasis on process–structure–property relationships and the mechanical performance of additively manufactured materials. His current research activities concentrate on supportless metal printing strategies and the development and processing of advanced metal alloys for additive manufacturing. He is actively involved in both fundamental research and industrial collaboration projects, especially in advanced engineering. He has authored or co-authored more than 85 peer-reviewed publications in the field of additive manufacturing and contribute to the advancement of innovative manufacturing technologies at both national and international levels.

From Powder to Performance: 3D Printing of Advanced Materials with Potential Automotive Applications

Presentation abstract: This presentation introduces our metal a polymer additive manufacturing facility, equipped with advanced metal 3D printing systems and comprehensive post-processing technologies. The talk will provide an overview of the infrastructure, workflow, and technological capabilities that enable the production of high-performance components for advanced engineering and automotive applications. Special attention will be given to advanced materials suitable for metal additive manufacturing, including high-strength steels, aluminum alloys, and other materials relevant to the automotive sector. Their specific processing challenges will be discussed, such as cracking susceptibility, porosity formation, residual stresses, and microstructural control. Key technological principles for successful metal printing will be presented, covering process parameter optimization, powder quality requirements, and post-processing strategies. The presentation will conclude with selected case studies, including automotive-related applications, highlighting both technical challenges and implemented solutions in real-world scenarios.

Keywords: Metal Additive Manufacturing; Process Optimization; Post-Processing Technologies