21 February 2011 Optical monitoring of heat processes in selective laser melting
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Temperature monitoring in the laser impact zone is carried out by an originally developed bi-colour pyrometer which is integrated with the optical scanning system of the PHENIX PM-100 machine. Experiments are performed with variation of basic process parameters such as powder layer thickness (0-120μm), hatch distance (60μm-1000μm), and fabrication strategy (the so-called "one-zone" and "two-zone").
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M. Doubenskaia, M. Doubenskaia, M. Pavlov, M. Pavlov, Yu. Chivel, Yu. Chivel, } "Optical monitoring of heat processes in selective laser melting", Proc. SPIE 7921, Laser-based Micro- and Nanopackaging and Assembly V, 79210D (21 February 2011); doi: 10.1117/12.876079; https://doi.org/10.1117/12.876079

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