Regensburg 2025 – wissenschaftliches Programm

Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe

MM: Fachverband Metall- und Materialphysik

MM 9: Poster

MM 9.56: Poster

Montag, 17. März 2025, 18:30–20:30, P1

Linking Process Parameters and Heat Treatment to Microstructural Properties of PBF-LBM 316L Steel for Structural Hydrogen Use — •Tim Haag, •Kai Stefan Lagemann, Stefan Wagner, and Astrid Pundt — Institut für Angewandte Materialien - Werkstoffkunde (IAM-WK), Karlsruher Institut für Technologie (KIT)

Additively manufactured (AM) 316L steel produced by powder bed-based laser melting (PBF-LBM) can be considered for sophisticated applications in hydrogen technology. This project investigates the influence of manufacturing parameters and post-processing treatments, such as heat treatment, on the resulting microstructure and its implications for material properties. The objective is to optimise the manufacturing process in order to achieve components with minimal porosity. The microstructure is comprehensively analysed using advanced techniques, which reveal hierarchical features and a complex interplay of various microstructural elements, including multiscale porosity, varying grain orientations and subgrain dislocation cells. Heat treatments are applied to alter microstructural characteristics and assess their impact on material properties.

Keywords: AM316L; Microstructure; Heat Treatment