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Laser transmission welding of dissimilar plastics: 3-D FE modeling and experimental validation

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Abstract

This paper presents a three-dimensional finite element model (FEM) of laser transmission welding of dissimilar plastics. Welding of polycarbonate to ABS (acrylonitrile butadiene styrene) with a moving volumetric heat source is modeled using ANSYS® Parametric Design Language. In model development, consideration is given to all major thermal phenomena associated with the laser transmission welding process, such as heat conduction, convection, and thermal radiation. The model also incorporates the effects of dilution on temperature cycles. Welding experiments are conducted to validate the numerical model. The model predicted simulation results are in good agreement with the measurements. The results predicted by the model can further be used for the optimization of the process.

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Data Availability

The data that support the findings of this study are available in the manuscript. Missing data, if any, that support the findings of this study, are available from the corresponding author upon reasonable request.

Code availability

Software application (ANSYS®) and developed subroutine in APDL (ANSYS® Parametric Design Language).

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  1. Department of Production Engineering, Birla Institute of Technology: Mesra, Ranchi, 835215, India

    Bappa Acherjee

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Recommended for publication by Commission XVI - Polymer Joining and Adhesive Technology

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Acherjee, B. Laser transmission welding of dissimilar plastics: 3-D FE modeling and experimental validation. Weld World 65, 1429–1440 (2021). https://doi.org/10.1007/s40194-021-01079-2

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  • DOI: https://doi.org/10.1007/s40194-021-01079-2

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