Abstract
With selective laser melting, the product consists of a set of single layers, which in turn are created from a set of single tracks. Samples were printed on an Alfa-150 3D printer manufactured by ALT Ukraine LLC. Single tracks were created on a base pad made of the same material. At the same time, the laser power was changed in the range of 100...150 W with a step of 10 W, and the speed of the laser beam - in the range of 1300...3500 mm/s with a step of 100 mm/s. A total of 108 printing modes of single tracks, located at a distance of 1.5...2 mm from each other, were investigated. Each block contains 6 groups of 3 single tracks made in the same mode. The thickness of the layer used in the experiments is 30 μm. The stability and quality of the track is determined by the amount of specific energy. With a decrease in the value of the specific energy.
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