Laser removal of PVD coatings

Martin Mydlář; Jan Vanda; Radek Pobořil; Jan Brajer

doi:10.1117/12.2642743

2 December 2022 Laser removal of PVD coatings

Martin Mydlář, Jan Vanda, Radek Pobořil, Jan Brajer

Proceedings Volume 12300, Laser-Induced Damage in Optical Materials 2022; 123000N (2022) https://doi.org/10.1117/12.2642743
Event: SPIE Laser Damage, 2022, Rochester, New York, United States

Conference Poster

Abstract

The removal of multi-compound protective thin PVD films for stressed industrial tools using laser ablation could enhance or replace currently used procedures. Developing a laser removal process can shorten the processing time and costs. In the first step, the laser-induced damage threshold of the thin CrAlSiN coating and the WC-Co material was measured. Nanosecond and picosecond laser pulses were used for comparison. Furthermore, the dependence of the ablated material volume and ablation depth on the fluence and the number of pulses was measured. Finally, spectral analysis of the laser plasma generated during ablation was performed.

Conference Presentation

Citation Download Citation

Martin Mydlář, Jan Vanda, Radek Pobořil, and Jan Brajer "Laser removal of PVD coatings", Proc. SPIE 12300, Laser-Induced Damage in Optical Materials 2022, 123000N (2 December 2022); https://doi.org/10.1117/12.2642743

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