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Diode Laser Assisted Filament Winding of Thermoplastic Matrix Composites
Department of Mechanical Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, Italy
* Author to whom correspondence should be addressed.
Received: 18 November 2009; in revised form: 7 January 2010 / Accepted: 18 January 2010 / Published: 20 January 2010
Abstract: A new consolidation method for the laser-assisted filament winding of thermoplastic prepregs is discussed: for the first time a diode laser is used, as well as long glass fiber reinforced polypropylene prepregs. A consolidation apparatus was built by means of a CNC motion table, a stepper motor and a simple tensioner. Preliminary tests were performed in a hoop winding configuration: only the winding speed was changed, and all the other process parameters (laser power, distance from the laser focus, consolidation force) were kept constant. Small wound rings with an internal diameter of 25 mm were produced and compression tests were carried out to evaluate the composite agglomeration in dependence of the winding speed. At lower winding speeds, a stronginterpenetration of adjacent layers was observed.
Keywords: diode laser; laser processing; thermoplastic prepreg; filament winding; composite material; thermoplastic matrix composites
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Quadrini, F.; Squeo, E.A.; Prosperi, C. Diode Laser Assisted Filament Winding of Thermoplastic Matrix Composites. Materials 2010, 3, 563-571.
Quadrini F, Squeo EA, Prosperi C. Diode Laser Assisted Filament Winding of Thermoplastic Matrix Composites. Materials. 2010; 3(1):563-571.
Quadrini, Fabrizio; Squeo, Erica Anna; Prosperi, Claudia. 2010. "Diode Laser Assisted Filament Winding of Thermoplastic Matrix Composites." Materials 3, no. 1: 563-571.