Theoretical Model of Laser Grooving for Composite Materials

DOI Web Site 被引用文献1件
  • P. Sheng
    Dept. of Mechanical Engineering, University of California Berkeley, CA 94720
  • G. Chryssolouris
    Laboratory for Manufacturing and Productivity, M.I.T., Cambridge, MA 02139

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<jats:p> The influence of directionally-dependent thermal properties on laser machining effectiveness is analyzed theoretically and experimentally. A laser grooving model was developed which incorporated the effects of directionally-dependent thermal conductivity. Laser grooving experiments on graphite/vinylester composites showed differences in groove depth and profile depending on the laser beam direction relative to fiber orientation. The groove depth predictions from the composite grooving model showed an improved correlation with experimental data compared to predictions from the model with homogeneous material properties. The predictions of groove profiles and centerlines from the composites model are also presented for laser beam impingement parallel and perpendicular to fiber orientation. </jats:p>

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