Technologies, Volume 7, Issue 1 (March 2019) – 29 articles
Cover Story (view full-size image): Laser additive manufacturing has remained a very slow manufacturing technology for individual production. Its technological potential can be boosted and its field of application can be widened, however, with the use of laser beam profile modulation. The experiments and analytical research conducted here prove that by changing the laser mode to a more uniform (top-hat) or even inverse (donut) intensity distribution, as opposed to the traditional Gaussian mode, its productivity can be increased significantly with respect to the production of parts with more uniform layer deposition and reduced defects related to material overheating. View this paper.
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