This paper investigates the effect of laser scanning velocity on the structural changes and
mechanical properties of a H13 steel part treated by laser surface remelting. A high energy …

In order to improve the surface wear resistance and hardness, laser remelting was used to
process AISI 4140 steel. The microstructure and the Vickers hardness of surface and cross …

Due to the possibility to produce the parts with complex internal and external geometries,
selective laser melting (SLM) process attracts growing interest in various fields of …

This paper presents study of microstructure of the material (tool steel 150Cr14) produced by
the selective laser melting (SLM) technology. The chemical composition analysis and grain …

The application of laser heat treatments (LHT) has been growing attention in the last years,
due to the effectiveness of localized hardening that can improve the tribological properties of …

This paper deals with establishing of building parameters for 1.2344 (H13) tool steel
processed using Selective Laser Melting (SLM) technology with layer thickness of 50 µm. In …

Purpose: The reason of this work was to determine the laser treatment parameters,
particularly the laser power, to achieve a high value of layer hardness for protection of this …

The hardness of steel parts after laser treatment depends on a number of factors. In this
paper, attention is focused on the surface heating temperature. The aim of the study is to …

Laser surface hardening (LSH) has become the most vital process in order to increase the
hardness of a mild steel surface, especially to overcome the wear issues in machining parts …

This research project presents the investigation results of laser remelting and alloying
especially the laser parameters and its influence on the structure and properties of the …