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Proceedings Paper

Laser edge-welding in layered manufacturing techniques
Author(s): Poonjolai Erasenthiran; R. Ball; Kenneth G. Watkins; William O'Neill; William M. Steen
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Paper Abstract

In this study, the laser edge-welding process is investigated as a mechanism for joining laminates and eliminating steps on the surfaces of tools fabricated by layered manufacturing techniques. An Nd:YAG laser (Lumonics JK706) was used to shape the edges and join the laminates together. The experiments were carried out on 1 mm thick mild steel. The effect of peak powers, peak power densities, welding speeds and beam-edge overlap percentages and the angle of the laser beam incidences were investigated. The work also shows the use of the optimum parameters in the production of hemispherical tool primitives. It also presents results of tests to ascertain the resistance of these tools to typical working environments.

Paper Details

Date Published: 7 February 2000
PDF: 12 pages
Proc. SPIE 3888, High-Power Lasers in Manufacturing, (7 February 2000); doi: 10.1117/12.377039
Show Author Affiliations
Poonjolai Erasenthiran, Univ. of Liverpool (United Kingdom)
R. Ball, Univ. of Liverpool (United Kingdom)
Kenneth G. Watkins, Univ. of Liverpool (United Kingdom)
William O'Neill, Univ. of Liverpool (United Kingdom)
William M. Steen, Univ. of Liverpool (United Kingdom)

Published in SPIE Proceedings Vol. 3888:
High-Power Lasers in Manufacturing
Xiangli Chen; Tomoo Fujioka; Akira Matsunawa, Editor(s)

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