Control of the process of pulsed laser thermal hardening based on emerging potential

Abstract

© 2019 IOP Publishing Ltd. All rights reserved. The article studies the relationship between the time power distribution of pulsed laser radiation and the emerging electric potential in metals. It is shown that the emerging potential characterizes the shape of the laser pulse during processing and characterizes the penetration depth of the thermal influence zone. It is revealed if the energy of laser action pulse does not exceed 12 J and duration is less than 1 μs the form of the emerging potential is the same for all types of time distribution of laser action power.