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Materials & Design 08/2021

Mutual comparison of acoustic, pyrometric and thermographic laser powder bed fusion monitoring

Authors:

Kai Gutknecht, Michael Cloots, et. al.

Contents:
  • The process monitoring capabilities of three distinctive sensors (XARION’s optical microphone, a pyrometer and a thermographic camera) were compared for laser powder bed fusion metal additive manufacturing
  • The optical microphone presents a sensitivity up to 40 times higher than the thermographic camera and is 15 times more sensitive than the pyrometer
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