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Energy dependent processing of fiber reinforced plastics with ultra short laser pulses

: Schilling, Niels; Lasagni, Andrés-Fabián; Klotzbach, Udo

Postprint (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, Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IWS ()
fiber reinforced plastics; ultra short laser processing; ablation characteristic

In this paper the processing of a fiber reinforced plastic consisting of glass fibers embedded in polypropylene with ultra short laser systems is shown. Focus of the study is on the dependence of working wavelength (1064 nm, 532 nm and 355 nm) and pulse duration (500 fs to 10 ps) on the laser ablation characteristic of the treated material. Depending on the energy density and the material properties, two different process regions could be identified.