PROSPECTS FOR PRODUCING NANOSTRUCTURES IN THE VOLUME OF PARTS UNDER THE ACTION OF PLASMA FLOWS

Authors

  • Kostyuk Gennadiy National Aerospace University n. a. N. E. Zhukovsky "KhAI", Kharkiv, Ukraine https://orcid.org/0000-0002-7584-2240
  • Melkoziorova Olga VN Karazin Kharkiv National University, Kharkiv, Ukraine
  • Kostyuk Elena Ukrainian Engineering Pedagogics Academy, Kharkiv, Ukraine
  • Shirokiy Iyrii National Aerospace University n. a. N. E. Zhukovsky "KhAI", Kharkiv, Ukraine

DOI:

https://doi.org/10.20998/2078-7405.2020.92.12

Keywords:

nanostructured layers, temperature fields, temperature strains, nanoclusters, grain size, joint problem of thermal conductivity and thermoelasticity.

Abstract

. The paper presents the results of calculations of temperature fields and temperature stresses based on the solution of the unsteady joint problem of thermal conductivity and thermoelasticity. Zones of the material of the part were found where the conditions for the formation of nanostructures in the temperature range, rate of temperature increase, and maximum temperature stresses are realized. It is shown that under the action of nitrogen ions on steel, a significant region with nanostructures is obtained, while under the action of titanium ions on an aluminum alloy, this zone is limited. Under the action of electrons, nanostructures are not formed, temperature stresses in both cases have values of the order of 108 N/m2, they also do not make it possible to obtain nanostructures directly, while they can accelerate their production over the temperature range and their growth rate.

Author Biographies

Kostyuk Gennadiy, National Aerospace University n. a. N. E. Zhukovsky "KhAI", Kharkiv

Doctor of Technical Sciences, Professor, Department of "Theoretical Mechanics, Mechanical Engineering and Robotomechanical Systems", National Aerospace University n. a. N. E. Zhukovsky "KhAI"

Melkoziorova Olga, VN Karazin Kharkiv National University, Kharkiv

Candidate of Technical Sciences, Associate Professor, VN Karazin Kharkiv National University, Kharkiv, Ukraine

Kostyuk Elena, Ukrainian Engineering Pedagogics Academy, Kharkiv

Candidate of Technical Sciences, Associate Professor, Ukrainian Engineering Pedagogics Academy, Kharkiv, Ukraine

Shirokiy Iyrii, National Aerospace University n. a. N. E. Zhukovsky "KhAI", Kharkiv

Candidate of Technical Sciences, Associate Professor, Department of "Theoretical Mechanics, Mechanical Engineering and Robotomechanical Systems", National Aerospace University n. a. N. E. Zhukovsky "KhAI"

References

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Published

2020-07-01

Issue

No. 92 (2020): CUTTING & TOOL IN TECHNOLOGICAL SYSTEM

Section

Mechanical processing of materials, the theory of cutting materials, mathematical and computer simulation of machining p

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