| Issue |
E3S Web Conf.
Volume 413, 2023
XVI International Scientific and Practical Conference “State and Prospects for the Development of Agribusiness - INTERAGROMASH 2023”
|
|
|---|---|---|
| Article Number | 02015 | |
| Number of page(s) | 8 | |
| Section | Agricultural Engineering and Mechanization | |
| DOI | https://doi.org/10.1051/e3sconf/202341302015 | |
| Published online | 11 August 2023 | |
Investigation of the structure and properties of surface composite layers on multi-alloyed steels
1 Bauman Moscow Technical University, 2-ya Baumanskaya ul., d.5, str.1, 105005 Moscow, Russia
2 PK Salyut JSC UEC, Office of the Chief Metallurgist, Leading Egineer, Moscow, Russia
* Corresponding author: ishmametv@yandex.ru
In this work were studied the structures and properties of surface composite layers obtained by chemical-thermal treatment and combined chemical-thermal treatment, combining liquid-free electrolysis-free boriding with gas nitriding. The properties of surface composite layers on steels with different alloys are analyzed depending on various parameters of chemical-thermal treatment. The study showed that, during boriding, phases of iron borides FeB, Fe2B are formed on the surface of the samples, and their volume ratio strongly depends on the degree of steel alloying. A strong effect of carbon on the morphology of surface layers was revealed. Finely dispersed strengthening particles were found in the borated layers on the VKS-5 steel, large superhard particles on the Ch12MF steel near the borated layers. The study of the microstructure of the composite layers showed that during gas nitriding, a layer 80 μm in size is obtained, which penetrates deep into the borated layer. The study of the properties of surface layers showed that carbon has the greatest influence on the formation of borated layers. The resulting composite layers are characterized by reduced microbrittleness and increased corrosion resistance.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.