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Alternative beam sources and machine concepts for laser powder bed fusion

: Eibl, F.; Tenbrock, C.; Pichler, T.; Schmithüsen, T.; Heussen, D.; Schleifenbaum, J.H.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Photonics Society:
High Power Diode Lasers and Systems Conference, HDP 2017. Proceedings : Co-located with Photonex 2017, Ricoh Arena, Coventry, United Kingdom, 11th and 12th October 2017
Piscataway, NJ: IEEE, 2017
ISBN: 978-1-5386-3262-8 (Print)
ISBN: 978-1-5386-3264-2
ISBN: 978-1-5386-3263-5
High Power Diode Lasers and Systems Conference (HPD) <9, 2017, Coventry>
Conference Paper
Fraunhofer ILT ()

Laser powder bed fusion (l-PBF) has drawn increasing attention as an additive manufacturing technique for industrial production over the last years. However, the existing machine technology constitutes certain limitations in terms of the process itself as well as scalability of melting rate and build envelope. In this paper, new approaches for l-PBF with regard to exposure- and machine concepts as well as beam sources and optical systems are presented.