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4_2024_sen_9

Title of the article USING FLAME SPRAYING TECHNOLOGY IN THE MANUFACTURE OF TOOLS WITH ABRASIVE-CONTAINING POLYMER COATING
Authors

BELOTSERKOVSKY Marat A., D. Sc. in Eng., Prof., Head of the Laboratory of Gas-Thermal Methods of Machine Component Hardening of the R&D Center “Mechanical Engineering Technologies and Processing Equipment”, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

GRISHCHENKO Anastasia O., Senior Lecturer of the Department “Engineering Technology”, Belarusian National Technical University, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

TARAN Igor I., Senior Researcher of the Laboratory of Gas-Thermal Methods of Machine Component Hardening of the R&D Center “Mechanical Engineering Technologies and Processing Equipment”, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.
In the section MECHANICAL ENGINEERING MATERIALS AND TECHNOLOGIES
Year 2024
Issue 4(69)
Pages 88–96
Type of article RAR
Index UDK 621.793
DOI https://doi.org/10.46864/1995-0470-2024-4-69-88-96
Abstract The possibility of forming abrasive-containing coatings based on ultra-high molecular weight polyethylene by flame spraying has been studied. Using the method of differential scanning calorimetry, it is shown that in the process of gas-flame spraying, particles do not reach the temperature range of thermal-oxidative destruction, and the basic structure of UHMWPE is preserved. The dependence of the adhesion strength of abrasive-containing coatings on their cooling rate and the composition of the propane-air mixture has been determined. Spraying modes have been determined for coatings containing abrasive particles from 0.3 to 1.2 mm, and coatings with abrasive from 10 to 100 μm. It is advisable to use the resulting coatings in the manufacture of various abrasive tools. It has been established that the introduction of a nanosized filler in the form of powdered diamond-containing charge ShA-A into the sprayed abrasive-polymer mixture makes it possible to increase the mechanical characteristics of coatings.
Keywords flame spraying of polymers, abrasive particles, adhesion strength of coatings, nanosized modifier
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