Tribological characteristic of titanium alloy surface layers produced by diode laser gas nitriding

A Lisiecki, J Piwnik - Archives of Metallurgy and Materials, 2016 - infona.pl
In order to improve the tribological properties of titanium alloy Ti6Al4V composite surface
layers Ti/TiN were produced during laser surface gas nitriding by means of a novel high …

Welding of thermomechanically rolled fine-grain steel by different types of lasers

A Lisiecki - Archives of Metallurgy and Materials, 2014 - yadda.icm.edu.pl
The autogenous laser welding of 2.5 mm thick butt joints of thermomechanically rolled fine-
grain steel grade S420MC was investigated. Butt joints were laser welded by the Yb: YAG …

[PDF][PDF] Laser welding of the new grade of advanced high-strength steel Domex 960

LV DOMEX, N NAPREDNEGA, JZV TRDNOSTJO - Laser, 2017 - mit.imt.si
The article presents the results of investigations on autogenous laser welding of the new-
generation advanced high-strength steels (AHSS) Domex 960, classified as …

[HTML][HTML] Semantic segmentation for non-destructive testing with step-heating thermography for composite laminates

OD Pedrayes, DG Lema, R Usamentiaga, P Venegas… - Measurement, 2022 - Elsevier
In this paper, semantic segmentation networks such as UNet and DeepLabV3+ are
evaluated and compared against Random Forest and Support Vector Machines in the field …

Modeling of Energy Consumption and Reduction of Pollutant Emissions in a Walking Beam Furnace Using the Expert Method—Case Study

M Niekurzak, J Mikulik - Energies, 2021 - mdpi.com
This paper presents an algorithm for modeling electricity and natural gas consumption in a
walking furnace with the use of artificial intelligence and simulation methods, depending on …

Automated characterisation of subsurface defects by active IR thermographic testing–Discussion of step heating duration and defect depth determination

S Grys, W Minkina, L Vokorokos - Infrared Physics & Technology, 2015 - Elsevier
The paper deals with two aspects of the automatic processing of thermograms visualising
the front surface of object with internal defects. The material examination is done with active …

[PDF][PDF] Mechanisms of hardness increase for composite surface layers during laser gas nitriding of the Ti6Al4V alloy

KZTAVMED LASERSKO-PLINSKIM - Materiali in tehnologije, 2017 - mit.imt.si
Titanium and titanium alloys, in particular, show great mechanical properties, especially
strength-toweight ratio and corrosion resistance in different environments, compared to other …

Effect of heat input during disk laser bead-on-plate welding of thermomechanically rolled steel on penetration characteristics and porosity formation in the weld metal

A Lisiecki - Archives of Metallurgy and Materials, 2016 - yadda.icm.edu.pl
1. Introduction Ongoing efforts to reduce the mass and increase the payload of steel structures,
vehicles and machines, lead to Page 1 1. Introduction Ongoing efforts to reduce the mass and …

Instantaneous heat transfer for large drops levitating over a hot surface

T Orzechowski, S Wciślik - International Journal of Heat and Mass Transfer, 2014 - Elsevier
The paper deals with the process of evaporation of large water drops with the initial mass of
1 g deposited on a hot surface, the temperature of which is higher than Leidenfrost point …

Disk laser welding of car body zinc coated steel sheets

A Lisiecki, R Burdzik, G Siwiec… - Archives of Metallurgy …, 2015 - yadda.icm.edu.pl
Autogenous laser welding of 0.8 mm thick butt joints of car body electro-galvanized steel
sheet DC04 was investigated. The Yb: YAG disk laser TruDisk 3302 with the beam spot …