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Parametric studies on the CO2 laser cutting of Kevlar-49 composite

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Abstract

In the present study, the cutting performance of a CO2 laser on Kevlar-49 composite materials has been studied. The Taguchi technique is employed to identify the effect of laser control parameters, i.e., laser power, cutting speed, material thickness, assistance gas pressure, and laser mode, on the quality of cut parameters, namely, kerf width, dross height, and slope of the cut. From the analysis of variance (ANOVA) and signal-to-noise (S/N) ratio response tables, the significant parameters and the optimal combination levels of cutting parameters are determined. The obtained results are interpreted and modeled to closely understand the behavior and quality of CO2 laser cutting. Kevlar-49 composites are found to be cut satisfactorily by the CO2 laser at the optimum process parameter ranges. The results showed that laser power is the most significant parameter affecting the quality of cut parameters. The optimal combination of cutting parameters minimized the kerf width, dross height, and slope of cut to 0.103 mm, 0.101 mm, and 2.06°, respectively. The error between experimental results with optimum settings and the predicted values for the kerf width, dross height, and slope of cut lie within 2.9%, 7.92%, and 6.3%, respectively.

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Authors and Affiliations

  1. Department of Production Engineering & Mechanical Design, Faculty of Engineering, Menoufia University, Gamal abd Elnaser Street, Shebin-El-Kom, 01254, Egypt

    T. A. El-Taweel & A. M. Abdel-Maaboud

  2. Faculty of Engineering, Cairo University, Cairo, Egypt

    B. S. Azzam

  3. NILES, Cairo University, Cairo, Egypt

    A. E. Mohammad

Authors
  1. T. A. El-Taweel
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  2. A. M. Abdel-Maaboud
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  3. B. S. Azzam
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  4. A. E. Mohammad
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Correspondence to T. A. El-Taweel.

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El-Taweel, T.A., Abdel-Maaboud, A.M., Azzam, B.S. et al. Parametric studies on the CO2 laser cutting of Kevlar-49 composite. Int J Adv Manuf Technol 40, 907–917 (2009). https://doi.org/10.1007/s00170-008-1412-x

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  • DOI: https://doi.org/10.1007/s00170-008-1412-x

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