Braun, KarstenKarstenBraunWillenborg, EdgarEdgarWillenborgSchleifenbaum, Johannes HenrichJohannes HenrichSchleifenbaum2022-03-062022-03-062020https://publica.fraunhofer.de/handle/publica/26524110.1016/j.procir.2020.09.026A process strategy - a quasi-top-hat scanning strategy with closed-loop temperature control - for laser polishing of additively manufactured polymer parts is developed to reduce the process to its two main process parameter, polishing temperature and melt duration. A study for SLS-printed PA12 results in an achievable roughness reduction from an initial roughness of Sa = 10.2 µm to Sa = 0.61 µm. Further investigations are performed for PP, TPU, ABS and PEEK.enlaser polishingsurface finishroughnesspolymersadditive manufacturing621journal article