Thermal Design and Experimental Analysis of Laser and Electron Beam Hardening

[+] Author and Article Information
R. Festa, F. Nenci

ENEA CRE Casaccia, TIB–IMA–S.P. Anguillarese, 301–00060 Roma, Italy

O. Manca, V. Naso

DETEC, Università degli studi Federico II– P.le Tecchio–80125 Napoli, Italy

J. Eng. Ind 115(3), 309-314 (Aug 01, 1993) (6 pages) doi:10.1115/1.2901665 History: Received February 01, 1992; Revised September 01, 1992; Online April 08, 2008


Dimensionless correlations for an easy prediction of the hardened depth in electron and laser beam heating treatments are derived from two analytical thermal models. Electron beam heat treating is carried out on 9Cr-2Mo and C40 steels. Effects of the translation speed and the spot dimensions were taken into account. The fairly good agreement between analytical and experimental data suggests that the proposed correlations can be used in applications.

Copyright © 1993 by The American Society of Mechanical Engineers
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