Digitalization of design for support structures in laser powder bed fusion of metals

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Katharina Bartsch

Digitalization of design for support structures in laser powder bed fusion of metals

Katharina Bartsch

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English

Springer International Publishing AG
19 February 2023

Technical design; Production engineering; Applied optics

Series: Light Engineering für die Praxis

Additive manufacturing is considered a key technology for digital production. However, several barriers towards the broad industrial application exist, e.g. the associated cost and the required experience regarding the manufacturing process. To eradicate these barriers, the complete digitalization of the value creation process is needed. In this thesis, a digital, automated support structuredesign procedure is developed. Topology optimization is used for design rule determination, and the space colonization algorithm is adapted for the automated design. The validity of the procedure is proven experimentally, revealing sufficient mechanical performance alongside cost reduction at medium to large production scales.

By: Katharina Bartsch
Imprint: Springer International Publishing AG
Country of Publication: Switzerland
Edition: 1st ed. 2023
Dimensions: Height: 240mm, Width: 168mm,
Weight: 571g
ISBN: 9783031229558
ISBN 10: 303122955X
Series: Light Engineering für die Praxis
Pages: 300
Publication Date: 19 February 2023
Audience: Professional and scholarly , Undergraduate
Format: Paperback
Publisher's Status: Active

Digital production by additive manufacturing.- Research Hypothesis and Methodology.- Material Model of Ti-6Al-4V Alloy in Laser Powder Bed Fusion.- Support Structure Topology Optimization.- Support Structure Design.- Support Structure Performance Benchmark.- Demonstration of algorithmic support structures.

Katharina Bartsch studied mechanical engineering with a focus on product development, materials and production at the Technical University of Hamburg. Here, she received her doctorate in 2022 under Prof. Dr.-Ing. Claus Emmelmann (Institute for Laser and System Technologies - iLAS). During her time as a doctoral candidate, she worked as a research associate as well as chief engineer (since 2020) at the iLAS and as a team leader and research associate (since 2019) at the LZN Laser Zentrum Nord GmbH, later Fraunhofer Research Institution for Additive Production Technologies IAPT.