Analysis and prediction of laser cutting parameters of fibre reinforced plastics (FRP) composite materials |
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| Authors: | A. A. Cenna P. Mathew |
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| Affiliation: | 1. Department of Mechanical Engineering, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia;2. School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, NSW 2052, Australia;1. Mechanical Engineering Department, Faculty of Engineering, King Abdulaziz University, P.O. Box 80204, Jeddah, Saudi Arabia;2. Department of Mathematics, Faculty of Science, Zagazig University, Zagazig, Egypt;3. Department of Mechanical Design and Production Engineering, Faculty of Engineering, Zagazig University, P.O. Box 44519, Egypt;4. Mechanical Department, Higher Technological Institute, Tenth of Ramadan City, Egypt;5. Production Engineering and Mechanical Design Department, Faculty of Engineering, Tanta University, Tanta, Egypt |
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| Abstract: | A theoretical model is presented considering the spatial distribution of the laser beam, interaction time between the laser and the work material, absorption coefficient of the laser beam at the laser wavelength and the thermal properties of the material. It is assumed that the laser energy is absorbed through the entire thickness of the material. The developed model predicts the various parameters in laser cutting of composite materials such as kerf width at the entry and at the exit, material removal rate and energy transmitted through the cut kerf. The theoretical analysis also determines the position of the beam with respect to the cutting front. Experiments for different laser and material combinations to evaluate the effects of cutting parameters on the cut quality were carried out to compare with the predicted results. The results obtained show very good agreement. |
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| Keywords: | Laser Composite Maximum cutting speed Kerf angle Machining |
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