Laser nitriding and laser carburizing of surfaces

Peter Schaaf

doi:10.1117/12.543729

14 November 2003 Laser nitriding and laser carburizing of surfaces

Peter Schaaf

Proceedings Volume 5147, ALT'02 International Conference on Advanced Laser Technologies; (2003) https://doi.org/10.1117/12.543729
Event: ALT'02 International Conference on Advanced laser Technologies, 2002, Adelboden, Switzerland

Abstract

Laser irradiation of surfaces with short pulses in reactive atmospheres (nitrogen, methane) can lead to very effective nitrification and carburization via complicated laser-surface-gas-plasma-interactions. This laser nitriding and laser carburizing and their basic underlying phenomena will be presented and partly explained by results of example materials (iron, titanium, aluminum, silicon) where nitride and carbide coatings can be formed by fast and easily by Excimer Laser, Nd:YAG laser, Free Electron Laser and also by femtosecond Ti:sapphire laser. This implies laser pulse durations from the nanosecond to the femtosecond regime and wavelengths from ultra-violet to infrared. The resulting surfaces, thin films, coatings and their properties are investigated by combining Mossbauer Spectroscopy, x-ray diffraction, x-ray absorption spectroscopy, Nanoindentation, Resonant Nuclear Reaction Analysis, and Rutherford Backscattering Spectroscopy.

Citation Download Citation

Peter Schaaf "Laser nitriding and laser carburizing of surfaces", Proc. SPIE 5147, ALT'02 International Conference on Advanced Laser Technologies, (14 November 2003); https://doi.org/10.1117/12.543729

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