Paint stripping with a XeCl laser: basic research and processing techniques

Armin Raiber; Burkhard Plege; Reinhold Holbein; Gert Callies; Friedrich Dausinger; Helmut Huegel

doi:10.1117/12.204883

31 March 1995 Paint stripping with a XeCl laser: basic research and processing techniques

Armin Raiber, Burkhard Plege, Reinhold Holbein, Gert Callies, Friedrich Dausinger, Helmut Huegel

Proceedings Volume 2502, Gas Flow and Chemical Lasers: Tenth International Symposium; (1995) https://doi.org/10.1117/12.204883
Event: Gas Flow and Chemical Lasers: Tenth International Symposium, 1994, Friedrichshafen, Germany

Abstract

This work investigates the possibility of ablating paint from aerospace material with a XeCl- laser. The main advantage of this type of laser is the low heat generation during the ablation process. This is important when stripping thermally sensitive materials such as polymer composites. The dependence of the ablation process on energy density, pulse frequency as well as other laser parameters are presented. The results show the influence of chemical and UV artificial aging processes on ablation depth. Further, the behavior of the time-averaged transmission of the laser beam through the plasma is described as a function of the energy density. The time-varying temperature in the substrate at the point of ablation was measured during the process. An abrupt change in the temperature variation indicates the end of point ablation. This measured temperature variation is compared with the calculated temperatures, which are derived from the 1D heat equations. Finally, first results of repaintability and ablation rates will be presented.

Citation Download Citation

Armin Raiber, Burkhard Plege, Reinhold Holbein, Gert Callies, Friedrich Dausinger, and Helmut Huegel "Paint stripping with a XeCl laser: basic research and processing techniques", Proc. SPIE 2502, Gas Flow and Chemical Lasers: Tenth International Symposium, (31 March 1995); https://doi.org/10.1117/12.204883

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