Surface defects like porosity, cracks, coarse grains, surface roughness, etc. have a huge
impact on the strength and performance of materials. Due to this, surface treatments have …

Metastable austenitic stainless steels (MASS) are widely used in various industrial
applications due to their exceptional compromise between mechanical properties and …

A medium-carbon steel AISI 1045 was hardened by a laser heat treatment (LHT), a multi-pin
ultrasonic impact treatment (UIT), and two combined laser-ultrasonic surface treatments …

We considered possibilities of an application of diffractive free-form optics in laser
processing of metallic materials in aerospace production. Based on the solution of the …

Laser shock processing (LSP) is an advanced material surface hardening technology that
can significantly improve mechanical properties and extend service life by using the stress …

Laser surface hardening has become a promising replacement technique for conventional
heat treatment. The laser is a heat source, deployed with optics to modify the surface along …

This article investigates the surface hardening capability of a metastable austenitic
TRansformation Induced Plasticity (TRIP) stainless steel, particularly on AISI 301LN, by laser …

An experimental investigation with Nd: YAG laser system was carried out to study the effects
of laser hardening process parameters on the microstructure and hardness during laser …

Discrete laser surface hardening (DLSH) can form an array of separate high hardness zones
with excellent wear resistance on the surface of ferroalloys. However, the soft self-tempering …

Laser heat treatment was arranged as a laser remelting and laser boriding. Materials with
different carbon concentration were used. Three zones characterized the microstructure after …