Electron-beam surface treatment of metals and alloys: Techniques and trends

S Valkov, M Ormanova, P Petrov - Metals, 2020 - mdpi.com
During the last decades, electron-beam treatment technologies (EBTT) have been widely
used for surface modification of metals and alloys. The EBT methods are known as accurate …

Electron beam surface treatment of tool steels

M Ormanova, P Petrov, D Kovacheva - Vacuum, 2017 - Elsevier
In this work we present a combined method for surface modification on tool steel (0, 31% C;
0, 30% Si; 0, 35% Mn; 2, 9% Cr; 2, 8% Mo; 0, 5% V), consisting of electron beam treatment …

Influence of Electron Beam Treatment of Co–Cr Alloy on the Growing Mechanism, Surface Topography, and Mechanical Properties of Deposited TiN/TiO2 Coatings

S Valkov, S Parshorov, A Andreeva, R Bezdushnyi… - Coatings, 2019 - mdpi.com
This study examines the effect of electron beam treatment (EBT) of Co–Cr substrate on the
film growth mechanism, mechanical properties, and surface topography of TiN/TiO2 coatings …

Surface manufacturing of materials by high energy fluxes

S Valkov, M Ormanova, P Petrov - Advanced Surface Engineering …, 2018 - books.google.com
This chapter aims to summarize the topics related to the application of a surface treatment by
high energy fluxes (ie, electron and laser beams) for develo** of new multifunctional …

Investigation of the microstructure and the thermal processes in a Ti6Al4V alloy surface-modified by scanning electron beam

M Ormanova, M Nikolova, V Angelov… - Journal of Physics …, 2020 - iopscience.iop.org
We present a study of the microstructure, the microhardness and the thermal processes
taking place in a Ti6Al4V alloy (Ti64) surface-modified by means of a scanning electron …

[HTML][HTML] A Near-Surface Layer Heat Treatment of Die Casting Dies by Means of Electron-Beam Technology

T Schuchardt, S Müller, K Dilger - Metals, 2021 - mdpi.com
Increasing the service life of die casting dies is an important goal of the foundry industry.
Approaches are either material-or process-related. Despite new material concepts, hot work …

Electron Irradiation of Titanium-Doped Chromium Nanostructured Thin Films for Higher Conductive Electrodes

S Polosan, CC Ciobotaru, IC Ciobotaru… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The low-energy electron irradiation improves the electrical properties of the Ti-doped
chromium thin films obtained by Laser-assisted Thermionic Vacuum Arc (LTVA). The …

Surface modification of Co-Cr-Mo alloys by electron-beam treatment

S Valkov, S Parshorov, A Andreeva… - IOP Conference …, 2021 - iopscience.iop.org
We present a study on the possibility of modifying the structure and properties of Co-Cr-Mo
alloys by using the electron-beam surface modification technique. The technological …

[PDF][PDF] Journal of the Technical University of Gabrovo

P Petrov, S Valkov, M Ormanova… - Journal of the …, 2018 - umis.tugab.bg
The use of HEFs for modification of metal and alloys widens the capabilities of the
techniques for improving their physical and mechanical properties. In recent years, as the …