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Laser transmission welding of white thermoplastics with adapted wavelengths

: Mamuschkin, V.; Roesner, A.; Aden, M.

Volltext (PDF; )

Emmelmann, C. ; Wissenschaftliche Gesellschaft Lasertechnik -WLT-:
LiM 2013, Lasers in Manufacturing. Seventh International WLT Conference on Lasers in Manufacturing. Proceedings : Munich, Germany, May 13-16, 2013
Amsterdam: Elsevier, 2013 (Physics Procedia 41.2013)
ISSN: 1875-3892
International Conference on Lasers in Manufacturing (LiM) <7, 2013, Munich>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ILT ()

Different types of laser sources can be used for polymer welding. By the principle of laser transmission welding the wavelength of the laser is one of the most important criteria when selecting a laser source as the optical properties of the polymers are depending on the wavelength. Up to date white material cannot be welded to each other. The results show that by analysis of the optical properties, especially the absorption and the scattering coefficient and adaption of the laser wavelength the process limits can be extended.