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Laser surface hardening of thin steel slabs |
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| Authors: | A. V. la Rocca E. Ramous M. Cantello |
| Affiliation: | (1) Fiat Auto SpA, Corso Marconi, 10138 Torino, Italy;(2) Università di Padova, Facoltà di Ingegnerla, Instituto Chimica InaustrIale, via Marzolo 9, 35100 Padova, Italy;(3) Istituto RTM, 10080 Vico Canavese, Torino, Italy |
| Abstract: | The transformation hardening of steels by surface heating by a c.w. laser beam has been studied. We examined the surface treatment of thin steel slabs by a suitable mathematical model of the thermal transient induced by laser beam heating. The laser parameters for surface hardening of such samples and the resulting microstructures are discussed. Hardening depths calculated from the mathematical model fit well with experimental results. |
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