Laser milling of metallic and nonmetallic substrates in the nanosecond regime with Q-switched diode pumped solid state lasers

Paul M Harrison; M. Henry; Ian Henderson; Michael F. Brownell

doi:10.1117/12.548819

20 September 2004 Laser milling of metallic and nonmetallic substrates in the nanosecond regime with Q-switched diode pumped solid state lasers

Paul M Harrison, M. Henry, Ian Henderson, Michael F. Brownell

Author Affiliations +

Proceedings Volume 5448, High-Power Laser Ablation V; (2004) https://doi.org/10.1117/12.548819
Event: High-Power Laser Ablation, 2004, Taos, New Mexico, United States

Abstract

Laser milling of a variety of substrates is investigated with the intention of achieving high quality material removal to create three-dimensional shapes in the material. A high power Q-switched Diode Pumped Solid State Nd:YAG Laser at 1064nm is used in all cases. Materials investigated include Nickel Superalloys, Thermal Barrier Coatings, Steels, Tungsten Carbide and Polycrystalline Diamond. Multi-layer substrates are also considered. The effects of laser intensity, plasma formation, pulse duration, material properties, and resulting removal rate, recast and surface finish are explored for this process. This paper defines the findings of this study within the context of commercial imperatives.

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Paul M Harrison, M. Henry, Ian Henderson, and Michael F. Brownell "Laser milling of metallic and nonmetallic substrates in the nanosecond regime with Q-switched diode pumped solid state lasers", Proc. SPIE 5448, High-Power Laser Ablation V, (20 September 2004); https://doi.org/10.1117/12.548819

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