Nature Communications (Apr 2018)

In situ X-ray imaging of defect and molten pool dynamics in laser additive manufacturing

  • Chu Lun Alex Leung,
  • Sebastian Marussi,
  • Robert C. Atwood,
  • Michael Towrie,
  • Philip J. Withers,
  • Peter D. Lee

DOI
https://doi.org/10.1038/s41467-018-03734-7
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 9

Abstract

Read online

Additive manufacturing of metals is now widely available, but the interaction of the metal powder with the laser remains unclear. Here, the authors use X-rays to image melt features and pore behaviour during laser melting of powders.