Abstract:In this work, the laser hardening process has been investigated using the AISI 1045 steel. The effects of the variables diameter (^f), energy density (Wg) and power density (Wp) of the laser beam, as well as, the environmental atmosphere (room and argon) during irradiation, on the surface hardening, was analyzed for single point and multiple point (trail of points) irradiations. Vickers indentation micro hardness, optical metallography, scanning electron microscopy and X-ray diffraction were utilized for the c… Show more
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