engleski

Laser transformation hardening of steels

Laser transformation hardening experiments have been carried out on three model steel alloys of nominal composition Fe-0, 5C, Fe-0, 4C-1, 0Mn, and Fe-0, 5C-1, 50Si (wt.%). A 1, 5 kW continuous wave laser with a near Gaussian beam and a 4, 5 kW continuous wave laser fitted with a beam integration device have been employed. The dimensions of the hardened zones have been characterised and the results compared with calculations made using process models. It is shown that the results from experiment and theory are in broad agreement.

laser transformation hardening

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