Ulrike Gebhardt

• Dipl.-Ing.
• Research Assistant at TU Dresden

Selective laser sintering and multi jet fusion are state-of-the-art 3D printing techniques for polymer manufacturing. In this work, the mechanical performance of 3D printed polyamide 12, which is a common material in additive manufacturing, has been studied. Specimens were printed with both – selective laser sintering and multi jet fusion technolog...

Additive manufacturing overcomes the restrictions of classical manufacturing methods and enables the production of near-net-shaped, complex geometries. In that context, lattice structures are of high interest due to their superior weight reduction potential. AlSi10Mg is a well-known alloy for additive manufacturing and well suited for such applicat...

Pores are inherent to additively manufactured components and critical especially in technical components. Since they reduce the component's fatigue life, a reliable identification and description of pores is vital to ensure the component's performance. X‐ray computed tomography (CT) is an established and non‐destructive testing method to investigat...

Seit dem Wintersemester (WS) 2016/17 wird das etablierte und fachlich ausgefeilte Lehrkonzept der Technischen Mechanik an der Professur für Numerische und Experimentelle Festköpermechanik stetig durch digitale Komponenten erweitert, um das Verständnis der Inhalte zu verbessern und die Attraktivität der Lehrveranstaltung (LV) zu steigern. Mit einer...

To face challenges of the traditional process of individual orthoses, we present a novel approach to automate the needed tasks by rethinking the process chain, bringing data-centricity into an optimized and digitize workflow by using the example of an ankle foot orthosis. The basic idea of a new process chain relies on a continuous and precise mode...

Lattice structures and their characterization are much discussed in current research. The complex manufacturing process of laser powder bed fusion with its repeated melting and remelting of metallic powder influences the resulting material properties. Within this contribution the influence of process parameters on the overall behaviour of lattice s...

Vortragsseminare finden klassischerweise in Präsenz statt. Der coronabedingte Lockdown im Sommersemester 2020 zwang alle Lehrveranstaltungen in den virtuellen Raum. Dieser Beitrag stellt die in drei verschiedenen Vortragsseminaren an der Fakultät Maschinenwesen der TU Dresden implementierten Anpassungen zur Durchführung unter Kontaktbeschränkungen...

Additively manufactured lattice structures increase the lightweight potential of components for technical applications. When modelling the mechanical behaviour of those lattice structures, imperfections within the structures need to be considered. In this contribution we investigate the effect of process induced pores of varying size and location i...

Additive manufacturing lifts the restrictions of classical manufacturing methods and enables us to produce lattice structures within otherwise massive bulk material to increase the lightweight potential of technical components. In this contribution we present a multiscale approach to characterise additively manufactured lattice structures. Tensile...

The increasing need of consistent implementation of lightweight constructions in many technical fields makes the manufacture of near net-shaped node structure to be used in textile-reinforced composites a subject of great interest. The manufacture of the node structure is required to provide a strong node point whilst maintaining the circumference...

In order to advance consistent lightweight construction principles in automotive and mechanical engineering, support frame construction made from high-performance materials is becoming more commonplace. These consist of complexly structured nodular connection elements. The required connection elements have not yet been produced satisfactorily. The...