How metallic alloys reorganize during microscale laser melting processes

High-power lasers that can selectively cut and join metallic products are becoming increasingly important in today's manufacturing industry. Now, Yingchun Guan from the A*STAR Singapore Institute of Manufacturing Technology and her co-workers have developed a technique that reveals exactly how molten elements vaporize and move about inside a laser-generated surface 'plume'—findings that can advance additive manufacturing techniques used to print three-dimensional (3D) objects.

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