Laser color marking of stainless steel – Investigation of the fluence-dependent and thermal mechanisms in generating laser induced surface modifications

  • Laser color marking is an attractive process to generate functional, aesthetic and durable colorations on various suitable metals such as stainless steel or titanium. The color generation is mainly based on interference effects on thin oxide layers, usually induced by nanosecond pulsed laser irradiation. Due to the large number of mutually influencing processing parameters and different thermal, chemical, structural and topological influences on the coloring results, the process is still not fully understood. Moreover, the reproducibility of the markings and the processing times often do not meet the requirements of industrial manufacturing processes. To improve the understanding of the underlying phenomena comparable colors are generated using different parameter sets. Spectroscopic, microscopic and SEM/EDS analyzes are carried out to investigate the effects of the surface topology, oxide layer properties, chemical composition and heat accumulation on the marking results.

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Metadaten
Author:Andreas Schkutow, Thomas Frick
DOI:https://doi.org/10.1016/j.procir.2024.08.196
ISSN:2212-8271
Parent Title (English):Procedia CIRP
Publisher:Elsevier BV
Document Type:Article
Language:English
Reviewed:Begutachtet/Reviewed
Release Date:2025/02/17
Volume:124
Pagenumber:4
First Page:661
Last Page:664
institutes:Fakultät Maschinenbau und Versorgungstechnik
Institut für Chemie, Material- und Produktentwicklung
Research Themes:Materialien & Produktionstechnik
Licence (German):Creative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International
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