Frequency domain measurements of melt pool recoil force using modal analysis

Cullom, Tristan; Lough, Cody; Altese, Nicholas; A. Bristow, Douglas; G. Landers, Robert; Brown, Ben; Hartwig, Troy; Barnard, Andrew; Blough, Jason; Johnson, Kevin; C. Kinzel, Edward

doi:10.1038/s41598-021-90423-z

Public

Frequency domain measurements of melt pool recoil force using modal analysis

Published in Scientific Reports • May 26, 2021

Authors:

Tristan Cullom

Cody Lough

Nicholas Altese

Abstract

Recoil pressure is a critical factor affecting the melt pool dynamics during Laser Powder Bed Fusion (LPBF) processes. Recoil pressure depresses the melt pool. When the recoil pressure is low, thermal conduction and capillary forces may be inadequate to provide proper fusion between layers. However,...

Subject

Recoil

Materials science

Elastic recoil

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