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Additive Manufacturing of Multi-Functional Lattice Structured-Based Concepts for Thermal Protection System


Title: Additive Manufacturing of Multi-Functional Lattice Structured-Based Concepts for Thermal Protection System

Authors: Yu-Chuen Chang, Hao Wu, Colin Yee, Roderick Reber, Jon Langston, Steven Kim and Joseph H. Koo

DOI: 10.33599/nasampe/s.20.0037

Abstract: The potential of lattice structure as a dual-layer meta-material for ablative thermal protection system (A-TPS) was investigated. The geometry of the dual-layer sample comprises a solid Polyether-ketone-ketone (PEKK) regression layer and a lattice-structure insulating layer. The lattice structure was printed by Fused Filament Fabrication (FFF) process and designed with three different topologies (3D honeycomb, Gyroid, Schwarz D) with different relative densities (50% and 70%). The dual-layer lattice structures were tested in Oxy-Acetylene Test Bed (OTB) with 100 W/cm2 heat flux for 30 seconds. The temperature at the end of regression layer and insulating layer was compared and the feasibility of using lattice structure as light weight heat insulation material was validated. The results can integrate with impact absorption properties of lattice structure and optimize the performance of TPS for various energy mission requirements.

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Conference: SAMPE 2020 | Virtual Series

Publication Date: 2020/06/01

SKU: TP20-0000000037

Pages: 13

Price: FREE

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