The innovative method of increasing durability of machine parts by chemical-thermal treatment

Authors

  • Катерина Олександрівна Костик National Technical University "Kharkiv Polytechnic Institute", Str. Frunze, 21, Kharkov, Ukraine, 61002, Ukraine

DOI:

https://doi.org/10.15587/2312-8372.2014.21580

Keywords:

boriding, steel, diffusion layers, microhardness, layer depth

Abstract

The purpose of the paper was to study the influence of technological parameters of boriding in nanopowder on the properties of different classes of steels. Finding the optimum treatment temperature and time was the method to solve this problem, and studying the boriding time influence on the hardened layer depth and hardness was used to estimate the parameters, characteristic of diffusion layers. Different classes of steels were research materials. A mixture with the content of nanodispersed boron-containing substances was used in boriding of pastes. Based on the studies, to simplify the technological process it is proposed to combine boriding with hardening for all except high-speed steels. For them, it is advisable to conduct boriding at 1000C. Boriding duration is selected according to the requirements for parts. New boriding method, allowing  to carry out treatment with obtaining sufficient diffusion layers was proposed. The practical significance of this paper lies in the fact that the application of the developed easy-to-use and effective nanotechnology of parts boriding from steels reduces chemical-thermal treatment duration by 2-3 times with obtaining high-quality boride layers, which significantly increase wear resistance of machine parts

Author Biography

Катерина Олександрівна Костик, National Technical University "Kharkiv Polytechnic Institute", Str. Frunze, 21, Kharkov, Ukraine, 61002

Ph.D., Associate Professor

Department of foundry

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Published

2014-02-06

How to Cite

Костик, К. О. (2014). The innovative method of increasing durability of machine parts by chemical-thermal treatment. Technology Audit and Production Reserves, 1(3(15), 20–21. https://doi.org/10.15587/2312-8372.2014.21580

Issue

Section

Quality of processes and products