Laser surface hardening process is one of the new technologies for improving the surface of
metals, especially steels, which in recent decades has received a lot of attention. This paper …

Laser surface hardening of AISI 4130 carbon steel was conducted with a high power diode
laser using Response Surface Methodology. Scanning speed, laser power and focal plane …

The surface layers of tool steel AISI D2 were modified by laser heat treatment (LHT)
conducted using the solid state fiber-laser, by ultrasonic impact treatment (UIT) and by the …

In the paper, the results of numerical modeling are presented of the 3D turbulent flows in a
channel with backward-facing step, and argon jets injected into the supersonic crossflow …

This paper is focused on experimental analysis of the effects of laser surface hardening
(LSH) combined with subsequent ultrasonic impact treatment (UIT) on the surface …

The state of laser transformation hardening in surface modification of steel and its alloys is
reported in this review paper. The laser hardening process involves the use of high-intensity …

This study aimed to investigate the hardness of laser transformations on AISI4130 steel
using high-power Nd: YAG pulsed laser technology. Beam scanning speed, focal distance …

This paper is focused on the effects of the separately applied laser heat treatment (LHT) and
ultrasonic impact treatment (UIT) and the combined LHT+ UIT process on the wear and …

Featured Application The laser hardening process is suitable for extending the life of many
engineering components, such as bearings, shafts and gears. The proposed genetic …

The study and prediction of the structure and hardness in the overlapping area during multi-
pass laser heat treatment (LHT) is an important issue for the preparation of the technological …