High‑energy treatment of steel billet with coating from high‑strength amorphous alloy

Abstract

The paperpresents temperature profiles at the depthof asteel billetwith a coating of an iron‑basedamorphous alloy underthe pulsedeffectoflaserradiation.Withtheactionofaconstant powerheatsource,theheatpropagationprocesstendstowardsalimitingquasi‑stationarystate.Thechoiceoftechnologicalmodesoflaserradiationexposurewithacombinationoflaserbeamscanningspeedandradiationpowerisdetermined.Thedepthofthemoltenlayerofthebilletmaterialduringscanningunderthecondition of obtaining a high‑quality product has been established

Keywords

• laser hardening
• temperature
• steel billet
• amorphous alloy
• coating
• cooling