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Proceedings Paper

Selective laser melting process monitoring with high speed infra-red camera and pyrometer
Author(s): F. Bayle; M. Doubenskaia
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Paper Abstract

Laser assisted direct manufacturing and in particular Selective Laser Melting (SLM) becomes a promising manufacturing technique. Recent progress makes it possible to create fully functional parts directly from metal powder without using any intermediate binders or any additional processing steps after laser melting. At present only a few studies were carried out to monitor and to on-line control SLM process. In this paper, the optical diagnostic tools as infra-red camera and pyrometer are applied for SLM process visualization and control : surface temperature evolution, phenomena in laser-powder interaction zone, dynamics of droplets emitted from the molten pool.

Paper Details

Date Published: 15 January 2008
PDF: 8 pages
Proc. SPIE 6985, Fundamentals of Laser Assisted Micro- and Nanotechnologies, 698505 (15 January 2008); doi: 10.1117/12.786940
Show Author Affiliations
F. Bayle, Ecole Nationale d'Ingénieurs de Saint-Etienne (France)
M. Doubenskaia, Ecole Nationale d'Ingénieurs de Saint-Etienne (France)

Published in SPIE Proceedings Vol. 6985:
Fundamentals of Laser Assisted Micro- and Nanotechnologies

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