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Proceedings Paper

Laser milling of metallic and nonmetallic substrates in the nanosecond regime with Q-switched diode pumped solid state lasers
Author(s): Paul M Harrison; M. Henry; Ian Henderson; Michael F. Brownell
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Paper 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.

Paper Details

Date Published: 20 September 2004
PDF: 10 pages
Proc. SPIE 5448, High-Power Laser Ablation V, (20 September 2004); doi: 10.1117/12.548819
Show Author Affiliations
Paul M Harrison, Powerlase Ltd. (United Kingdom)
M. Henry, Powerlase Ltd. (United Kingdom)
Ian Henderson, Powerlase Ltd. (United Kingdom)
Michael F. Brownell, Powerlase Ltd. (United Kingdom)

Published in SPIE Proceedings Vol. 5448:
High-Power Laser Ablation V
Claude R. Phipps, Editor(s)

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