A gravity-independent powder-based additive manufacturing process tailored for space applications

Lopez-D'Angelo O, Kuthe F, Liu SJ, Wiedey R, Bennett JM, Meisnar M, Barnes A, Kranz WT, Voigtmann T, Meyer A (2021)

Publication Language: English

Publication Type: Journal article, Original article

Publication year: 2021

Journal

Additive Manufacturing Elsevier

Book Volume: 47

Article Number: 102349

DOI: 10.1016/j.addma.2021.102349

Abstract

The future of space exploration missions will rely on technologies increasing their endurance and self-sufficiency, including manufacturing objects on-demand. We propose a process for handling and additively manufacturing powders that functions independently of the gravitational environment and with no restriction on feedstock powder flowability. Based on a specific sequence of boundary loads applied to the granular packing, powder is transported to the printing zone, homogenized and put under compression to increase the density of the final part. The powder deposition process is validated by simulations that show the homogeneity and density of deposition to be insensitive to gravity and cohesion forces within a discrete element method (DEM) model. We further provide an experimental proof of concept of the process by successfully 3D printing parts on-ground and on parabolic flight in weightlessness. Powders exhibiting high and low flowability are used as model feedstock material to demonstrate the versatility of the process, opening the way for additive manufacturing of recycled material.

Authors with CRIS profile

Olfa D'Angelo Lehrstuhl für Multiscale Simulation of Particulate Systems

Involved external institutions

Universität zu Köln DE Germany (DE)

How to cite

APA:

Lopez-D'Angelo, O., Kuthe, F., Liu, S.-J., Wiedey, R., Bennett, J.M., Meisnar, M.,... Meyer, A. (2021). A gravity-independent powder-based additive manufacturing process tailored for space applications. Additive Manufacturing, 47. https://dx.doi.org/10.1016/j.addma.2021.102349

MLA:

Lopez-D'Angelo, Olfa, et al. "A gravity-independent powder-based additive manufacturing process tailored for space applications." Additive Manufacturing 47 (2021).

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