Abstract:The formation of undesirable microstructures and defects hinders the widespread use of additive manufacturing, e.g., the formation of columnar grains in Ti-6Al-4V leads to undesirable anisotropic mechanical properties. Here, the microstructure produced by a novel synchronized circular laser array for application in the powder bed fusion technique is investigated. The temporal temperature distribution for different process parameters (laser power, scanning speed, and internal distance between lasers in the arra… Show more
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