Balling phenomenon in metallic laser based 3D printing process

M'hamed Boutaous, Xin Liu, Dennis A. Siginer, Shihe Xin

Research output: Contribution to journalArticlepeer-review


A comprehensive model is developed coupling major physical phenomena inherent to the Selective Laser Melting process together with a 3D numerical model based on the discrete element method to study the effect of the process parameters on the generation of balling droplets in the laser melting process. Effects of several process parameters as well as material properties on the balling phenomenon are investigated. Simulation results compare well to the experimental findings in the literature.

Original languageEnglish
Article number107011
Number of pages10
JournalInternational Journal of Thermal Sciences
Publication statusPublished - Sept 2021

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • General Engineering


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