Energy coupling efficiency and melt pool dynamics associated with the laser melting of metal powder layers

Manyalibo Matthews; Johannes Trapp; Gabe Guss; Alexander Rubenchik

doi:10.1364/CLEO_AT.2017.ATu1C.2

Conference on Lasers and Electro-Optics
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper ATu1C.2
•https://doi.org/10.1364/CLEO_AT.2017.ATu1C.2

Energy coupling efficiency and melt pool dynamics associated with the laser melting of metal powder layers

Manyalibo Matthews, Johannes Trapp, Gabe Guss, and Alexander Rubenchik

CLEO: Applications and Technology 2017

San Jose, California United States
14–19 May 2017
ISBN: 978-1-943580-27-9

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Lasers for Additive Manufacturing and Surface Structuring (ATu1C)

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M. Matthews, J. Trapp, G. Guss, and A. Rubenchik, "Energy coupling efficiency and melt pool dynamics associated with the laser melting of metal powder layers," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optica Publishing Group, 2017), paper ATu1C.2.

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Abstract

Micro-calorimetry and high speed imaging are used to characterize energy coupling mechanisms in laser powder bed fusion additive manufacturing. Material-dependent keyhole formation onset and melt pool dynamics are investigated as a function of laser parameters.

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