Diode laser welding of ABS: Experiments and process modeling

Details Diode laser welding of ABS: Experiments and process modeling Diode laser welding of ABS: Experiments and process modeling

2010-02-05

arxiv.org/abs/1002.1241v1

OPTICS AND LASER TECHNOLOGY 41, 5 (2009) 608-614

Physics

Optics

Scientific paper

10.1016/j.optlastec.2008.10.005

The laser beam weldability of acrylonitrile/butadiene/styrene (ABS) plates is determined by combining both experimental and theoretical aspects. In modeling the process, an optical model is used to determine how the laser beam is attenuated by the first material and to obtain the laser beam profile at the interface. Using this information as the input data to a thermal model, the evolution of the temperature field within the two components can be estimated. The thermal model is based on the first principles of heat transfer and utilizes the temperature variation laws of material properties. Corroborating the numerical results with the experimental results, some important insights concerning the fundamental phenomena that govern the process could be extracted. This approach proved to be an efficient tool in determining the weldability of polimeric materials and assures a significant reduction of time and costs with the experimental exploration.

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