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Additive manufacturing of pure copper using ultrashort laser pulses
Author(s): Lisa Kaden; Gabor Matthäus; Roland Ramm; Tobias Ullsperger; Brian Seyfarth; Stefan Nolte
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Paper Abstract

Here we present laser aided additive manufacturing of pure copper parts using ultrashort laser pulses. The process is based on the powder bed fusion of pure copper powder with grain sizes in the range of 5 μm – 15 μm. For processing, a fiber laser system delivering 500 fs pulses at a wavelengths of 515 nm was used. Robust 3D printed parts are generated featuring a high degree of resolution. The fabricated copper samples were characterized in terms of morphology, density distribution, thermal and electrical conductivity. The inner structure is revealed by x-ray computed tomography measurements.

Paper Details

Date Published: 4 March 2019
PDF: 7 pages
Proc. SPIE 10909, Laser 3D Manufacturing VI, 109090D (4 March 2019); doi: 10.1117/12.2507401
Show Author Affiliations
Lisa Kaden, Friedrich-Schiller-Univ. Jena (Germany)
Gabor Matthäus, Friedrich-Schiller-Univ. Jena (Germany)
Roland Ramm, Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF (Germany)
Tobias Ullsperger, Friedrich-Schiller-Univ. Jena (Germany)
Brian Seyfarth, Friedrich-Schiller-Univ. Jena (Germany)
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF (Germany)
Stefan Nolte, Friedrich-Schiller-Univ. Jena (Germany)
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF (Germany)


Published in SPIE Proceedings Vol. 10909:
Laser 3D Manufacturing VI
Bo Gu; Henry Helvajian; Hongqiang Chen, Editor(s)

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