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
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;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
