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Laser cladding allows for a fast, flexible and direct plotting of electric conductive structures on polymer based substrates. The surface of the substrate is selectively melted by a focused laser beam. Simultaneously, a metal powder is lead through a powder nozzle. This nozzle is oriented laterally or coaxially to the laser beam. As a result, a molten bath of substrate and powder material is created...
This paper presents an approach towards a better understanding of spatter formation in laser beam welding. Hereunto, experimental investigations and numerical simulation are carried out. For the study, various steels and aluminium alloys were selected to investigate the influences of alloying elements upon spatter formation. The welding was performed by applying a laser beam oscillation technique...
We use Gaussian beam to position a microsphere in a polymer precursor environment near a substrate. Pulsed laser is focused by a microsphere to induce multiphoton polymerization in the near-field, enabling additive direct-write nanoscale processing.
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