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Proceedings Paper

Non-conventional laser surface hardening for axisymmetric components
Author(s): Erica Liverani; Nadine Battiato; Alessandro Ascari; Alessandro Fortunato
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Paper Abstract

A new process, based on ring spot geometry, is presented for laser surface hardening of large cylindrical com-ponents. The proposed technique leads to a very hard, deep and uniform treated area along the entire work piece surface without introducing a tempered zone, making the process very attractive compared to conventional induction hardening that exhibits both low energy efficiency and poor flexibility. A complete physical model is presented for the process, together with a study of the influence of process parameters on the final outcome. The results of an extensive validation campaign, carried out following the AISI1040 standard, are also reported.

Paper Details

Date Published: 20 February 2014
PDF: 9 pages
Proc. SPIE 8963, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications III, 896309 (20 February 2014); doi: 10.1117/12.2036198
Show Author Affiliations
Erica Liverani, Univ. degli Studi di Bologna (Italy)
Nadine Battiato, Univ. degli Studi di Bologna (Italy)
Alessandro Ascari, Univ. degli Studi di Bologna (Italy)
Alessandro Fortunato, Univ. degli Studi di Bologna (Italy)


Published in SPIE Proceedings Vol. 8963:
High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications III
Friedhelm Dorsch, Editor(s)

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