Investigation of continuous fiber–reinforced triply periodic minimal surfaces (TPMS) for high-performance energy absorption applications

Szederkényi, Bence and Kovács, Norbert Krisztián and Czigány, Tibor (2024) Investigation of continuous fiber–reinforced triply periodic minimal surfaces (TPMS) for high-performance energy absorption applications. In: ECCM21 – 21st European Conference on Composite Materials, 2024.07.02-2024.07.05., Nantes, Franciaország.

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Abstract

Homogeneous and quasi-homogeneous cell structures, including triple-periodic minimal surfaces (TPMS), are crucial in engineering, particularly in lightweight energy absorption applications. While typically made from metals or polymers, the exploration of polymer composites in cellular systems is increasing, driven by additive manufacturing technologies. High-performance energy-absorbing systems often use continuous carbon fiber–reinforced composites embedded in a thermoset matrix. Despite their potential, current literature focuses on short-fiber composites in TPMS systems, with limited studies on continuous fiber placement. We used a Markforged Mark Two 3D printer to explore various cell structures and reinforcement patterns for continuous fibers. The paper investigates the energy absorption capabilities of these structures to enhance their specific energy-absorbing capability, contributing to the development of modern energy-absorbing structures.

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