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@PHDTHESIS{Wilkes:51362,
      author       = {Wilkes, Jan Ingo},
      othercontributors = {Poprawe, Reinhart},
      title        = {{S}elektives {L}aserschmelzen zur generativen {H}erstellung
                      von {B}auteilen aus hochfester {O}xidkeramik},
      address      = {Aachen},
      publisher    = {Publikationsserver der RWTH Aachen University},
      reportid     = {RWTH-CONV-113663},
      pages        = {III, 171 S. : Ill., graph. Darst.},
      year         = {2009},
      note         = {Zusammenfassung in engl. und dt. Sprache; Aachen, Techn.
                      Hochsch., Diss., 2009},
      abstract     = {An additive manufacturing technique based on selective
                      laser melting (SLM) for zirconia-alumina ceramic is
                      presented. SLM is a powder bed based layer manufacturing
                      technique that allows for rapid manufacturing of complex
                      shaped objects directly from CAD data. By completely melting
                      a purely ceramic zirconia-alumina powder mixture using a
                      laser beam, objects of almost $100\%$ density and a flexural
                      strength of more than 500 MPa were manufactured. In order to
                      avoid crack formation, the ceramic is preheated to a
                      temperature above 1600°C during the build-up process. For
                      preheating, the respective area of the powder bed is
                      irradiated using a CO2 laser. The best results were achieved
                      using a material composition of 41.5 $wt\%$ zirconia and
                      58.5 $wt\%$ alumina (eutectic mixture). Manufactured objects
                      have a fine-grained two-phase microstructure consisting of
                      tetragonal zirconia and alpha-alumina.},
      keywords     = {Laser (SWD) / Zirkoniumdioxid (SWD) / Aluminiumoxide (SWD)
                      / Prototyp (SWD) / Zahnersatz (SWD) / Keramik (SWD) /
                      Fertigungstechnik (SWD) / Rapid Prototyping (SWD) /
                      Dispersionskeramik (SWD)},
      cin          = {053100 / 418710},
      ddc          = {620},
      cid          = {$I:(DE-82)053100_20140620$ / $I:(DE-82)418710_20140620$},
      typ          = {PUB:(DE-HGF)11},
      urn          = {urn:nbn:de:hbz:82-opus-29942},
      url          = {https://publications.rwth-aachen.de/record/51362},
}