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Proceedings Paper

Paint stripping with a XeCl laser: basic research and processing techniques
Author(s): Armin Raiber; Burkhard Plege; Reinhold Holbein; Gert Callies; Friedrich Dausinger; Helmut Huegel
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Paper 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.

Paper Details

Date Published: 31 March 1995
PDF: 6 pages
Proc. SPIE 2502, Gas Flow and Chemical Lasers: Tenth International Symposium, (31 March 1995); doi: 10.1117/12.204883
Show Author Affiliations
Armin Raiber, Dornier Luftfahrt GmbH (Germany)
Burkhard Plege, Dornier Luftfahrt GmbH (Germany)
Reinhold Holbein, Dornier Luftfahrt GmbH (Germany)
Gert Callies, Univ. Stuttgart (Germany)
Friedrich Dausinger, Univ. Stuttgart (Germany)
Helmut Huegel, Univ. Stuttgart (Germany)


Published in SPIE Proceedings Vol. 2502:
Gas Flow and Chemical Lasers: Tenth International Symposium
Willy L. Bohn; Helmut Huegel, Editor(s)

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