Journal
MANUFACTURING ENGINEERING SOCIETY INTERNATIONAL CONFERENCE 2017 (MESIC 2017)
Volume 13, Issue -, Pages 388-395Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.promfg.2017.09.026
Keywords
CFRP; laser cutting; assist gas; CO2 laser; heat affected zone
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Funding
- Xunta de Galicia [PR405A2002/11-0, INCITE07PXI303112ES, INCITE08E1R30300ES]
- Xunta de Galicia (Plan I2C Grant Program) [POS-A/2013/161, ED481D 2017/010]
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Carbon fiber reinforced plastic (CFRP) composites are materials widely used for many applications due to its high strength, specific stiffness and inherent low density. CFRP composites are easily tailored to a particular application, which made them very attractive for structural applications, especially for aeronautics. The potential of such composites to be cut by a high quality CO2 laser was investigated in this work. A 3.5 kW CO2 slab laser was used to cut CFRP plates with a thickness of 3 mm. The influence on the cut quality of different processing parameters such as pulse frequency, pulse energy, duty cycle, type and pressure of the assist gas were studied. The quality of the cuts was evaluated in terms of kerf width, perpendicularity of cut kerf, delaminating degree, and extension of the heat affected zone (HAZ). The process was optimized and selected processing parameters values were used to obtain good quality cuts. (C) 2017 The Authors. Published by Elsevier B.V.
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