In situ X-ray imaging of defect and molten pool dynamics in laser additive manufacturing
Abstract
The laser-matter interaction and solidification phenomena associated with laser additive manufacturing (LAM) remain unclear, slowing its process development and optimisation. Here, through in situ and operando high-speed synchrotron X-ray imaging, we reveal the underlying physical phenomena during the deposition of the first and second layer melt tracks. We show that the laser-induced gas/vapour jet promotes the formation of melt tracks and...
Paper Details
Title
In situ X-ray imaging of defect and molten pool dynamics in laser additive manufacturing
Published Date
Apr 10, 2018
Journal
Volume
9
Issue
1
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