The recent progress in laser system technology enables innovative techniques for machining of carbon fiber reinforced plastics (CFRPs). A representative application is the layer-by-layer removal of damaged composite material to provide a cavity for refilling with repair plies. Results show that it is possible to achieve a reliable and automatable removal rate to perform arbitrary repair cavity geometries, obtaining a relevant time-reduction with respect to the conventional manual grinding process. The combination of modern UV-laser sources with a scanning technology enabling deflection speeds up to 2 m/s, suppresses heat affected zones (HAZs) and detachment of fibers from the polymer matrix. A method for the selective removal of surface matrix without damaging the fibers beneath is also presented.
|Autori:||Fischer F.; Romoli L.; Kling R.|
|Titolo:||Laser-based repair of carbon fiber reinforced plastics|
|Anno del prodotto:||2010|
|Digital Object Identifier (DOI):||10.1016/j.cirp.2010.03.075|
|Appare nelle tipologie:||1.1 Articolo in rivista|