• DocumentCode
    1769369
  • Title

    Modeling of powder absorption in additive manufacturing

  • Author

    Boley, C.D. ; Khairallah, S.A. ; Rubenchik, A.M.

  • Author_Institution
    Lawrence Livermore Nat. Lab., Lawrence, CA, USA
  • fYear
    2014
  • fDate
    8-13 June 2014
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We have investigated optical absorption by a powder of metal spheres, via ray-trace calculations. The absorptivity significantly exceeds that for normal incidence, because of multiple scattering. The effect of beam size is also discussed.
  • Keywords
    laser materials processing; powder metallurgy; rapid prototyping (industrial); ray tracing; three-dimensional printing; absorptivity; additive manufacturing; beam size effect; metal spheres; multiple scattering; normal incidence; powder optical absorption; ray-trace calculation; Absorption; Arrays; Laboratories; Laser beams; Metals; Powders; Scattering;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2014 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6988295