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Lattice Structures Manufactured by SLM: On the Effect of Geometrical Dimensions on Microstructure Evolution During Processing

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Abstract

Employing selective laser melting direct microstructure manipulation is feasible through adjustment of thermal gradients and solidification velocity. Currently, the exposure strategy and laser energy have to be adapted in order to meet a processing window suited for introducing highly anisotropic microstructures. As selective laser melting allows for production of filigree complex structures, the impact of geometry on the microstructure evolution is investigated in the current study and it is shown that miniaturization of structures as well leads to the evolution of anisotropic microstructure.

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Authors and Affiliations

  1. Lehrstuhl für Werkstoffkunde (Materials Science), University of Paderborn, Pohlweg 47-49, 33098, Paderborn, Germany

    Thomas Niendorf (Group Leader), Florian Brenne (Research Assistant) & Mirko Schaper (Professor)

  2. Institute of Materials Engineering, Technische Universität Bergakademie Freiberg, Gustav-Zeuner-Straße 5, 09599, Freiberg, Germany

    Thomas Niendorf (Group Leader)

  3. Direct Manufacturing Research Center (DMRC), University of Paderborn, Mersinweg 3, 33098, Paderborn, Germany

    Florian Brenne (Research Assistant)

Authors
  1. Thomas Niendorf
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  2. Florian Brenne
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  3. Mirko Schaper
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Corresponding author

Correspondence to Thomas Niendorf.

Additional information

Manuscript submitted November 19, 2013.

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Niendorf, T., Brenne, F. & Schaper, M. Lattice Structures Manufactured by SLM: On the Effect of Geometrical Dimensions on Microstructure Evolution During Processing. Metall Mater Trans B 45, 1181–1185 (2014). https://doi.org/10.1007/s11663-014-0086-z

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  • DOI: https://doi.org/10.1007/s11663-014-0086-z

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