Revealing internal flow behaviour in arc welding and additive manufacturing of metals

Revealing internal flow behaviour in arc welding and additive manufacturing of metals

Revealing internal flow behaviour in arc welding and additive manufacturing of metals, Published online: 21 December 2018; doi:10.1038/s41467-018-07900-9

Understanding what happens to the liquid in melt pools during welding and metal-based additive manufacturing remains a challenge. Here, the authors directly image internal melt pool dynamics using synchrotron radiation to show surface tension affects flow speed, orientation and surface turbulence.

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