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Proceedings Paper

Alloying of copper surfaces with a pulsed Nd:YAG laser
Author(s): Heinz Haferkamp; M. Marquering; Henry Ebsen
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Paper Abstract

Copper for electrotechnical applications and tin bronzes, which are used in mechanical engineering, were chosen for alloying, respectively remelting experiments. The surface treatment was carried out on ground samples which have not been coated for better absorption. A pulsed 450 W Nd:YAG laser with rectangular beam profile was used. The alloying operation has been performed either as a one step process or in remelting preplaced filter materials. Investigations about the formed microstructure and the resulting hardness have been carried out. The possibility to alloy copper surfaces to higher depths, and the influence of different alloying elements are discussed.

Paper Details

Date Published: 7 September 1994
PDF: 15 pages
Proc. SPIE 2207, Laser Materials Processing: Industrial and Microelectronics Applications, (7 September 1994); doi: 10.1117/12.184778
Show Author Affiliations
Heinz Haferkamp, Laser Zentrum Hannover e. V. (Germany)
M. Marquering, Laser Zentrum Hannover e. V. (Germany)
Henry Ebsen, Laser Zentrum Hannover e. V. (Germany)

Published in SPIE Proceedings Vol. 2207:
Laser Materials Processing: Industrial and Microelectronics Applications
Eckhard Beyer; Maichi Cantello; Aldo V. La Rocca; Lucien Diego Laude; Flemming O. Olsen; Gerd Sepold, Editor(s)

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