Trends in thermochemical techniques of boriding

M Kulka, M Kulka - Current Trends in Boriding: Techniques, 2019 - Springer
All the specified thermochemical techniques of boriding in solid, liquid and gaseous media
were characterized and compared in this chapter based on the available literature data. The …

Modeling of the case depth and surface hardness of steel during ion nitriding

MM Khalaf, V Kostyk, D Demin… - Восточно-Европейский …, 2016 - cyberleninka.ru
Modeling of the ion nitriding process allows solving many problems of operations
management, forecasting of results and development of new treatment regimes, which is an …

Prediction of the microhardness characteristics, the removable material volume for the durability period, cutting tools durability and processing productivity depending …

G Kostyuk - Advances in Manufacturing II: Volume 4-Mechanical …, 2019 - Springer
The microhardness and yield strength decrease with grain size increasing for wide range of
the 0, 2 HfN+ 0, 8 ZrN coated materials (K40, Sandvik Koromant, MS221) was disclosed …

Mathematical model of the mechanical properties of Ti-alloyed hypoeutectic cast iron for mixer blades

S Kharchenko, A Barsuk, N Karimova… - … and Engineering,(3), 2021 - papers.ssrn.com
The object of research is hypoeutectic cast iron intended for cast parts operating under
abrasive friction conditions. Such parts are mixer blades, the operational properties of which …

[PDF][PDF] Development of a combined technology for hardening the surface layer of steel 38Cr2MoAl

FІI Alaa, O Akimov, K Kostyk - Восточно-Европейский журнал …, 2017 - irbis-nbuv.gov.ua
A multitude of steel parts work in conditions of increased surface wear, so there is a need of
this surface protection. Surface hardening methods can be divided into two main groups …

Development of innovative method of steel surface hardening by a combined chemical-thermal treatment

K Kostyk - EUREKA: Physics and Engineering, 2016 - journal.eu-jr.eu
The aim of the article is a hardening of the surface steel layers due to the combination
treatment. Samples of steel 38Cr2MoAl were hardened by complex chemical and thermal …

Estimation of wear resistance for multilayer coatings obtained by nitrogenchroming

I Pavlenko, J Zajac, N Kharchenko, J Duplák, V Ivanov… - Metals, 2021 - mdpi.com
This article deals with improving the wear resistance of multilayer coatings as a fundamental
problem in metal surface treatment, strengthening elements of cutting tools, and ensuring …

[HTML][HTML] Optimization of the composition of cast iron for cast parts operating under abrasive friction, according to the criterion of maximum wear resistance

A Barsuk - ScienceRise, 2022 - cyberleninka.ru
The object of research: Titanium-alloyed hypoeutectic iron for mixer blades operating under
abrasive friction conditions. Investigated problem: selection of the optimal titanium content in …

[HTML][HTML] Impact of magnetic-pulse and chemical-thermal treatment on alloyed steels' surface layer

K Kostyk, I Kuric, M Saga, V Kostyk, V Ivanov… - Applied Sciences, 2022 - mdpi.com
The relevant problem is searching for up-to-date methods to improve tools and machine
parts' performance due to the hardening of surface layers. This article shows that, after the …

Development of an iron-based alloy with a high degree of shape recovery

AS Mohammed, A Oleg, K Kateryna - Восточно-Европейский …, 2017 - cyberleninka.ru
We examined a technological process for receiving an iron-based alloy with a shape
memory effect, substantiated the choice of chemical composition of the alloy, and selected …