Vol.21, No.3, 2021, pp. 254–257
UDC:

DETERMINATION OF INTERNAL STRESSES IN AN ELECTROLYTIC COATING ARISING IN A SAMPLE DURING VIBRATIONS OF A TORSIONAL PENDULUM

Anatolii N. Venediktov1, Roman A. Sokolov1, Roman J. Nekrasov1, Dmitry P. Il’yaschenko2*, Elena V. Verkhoturova3

1) Tyumen Industrial University, Tyumen, RUSSIAN FEDERATION

2) Yurga Institute of Technology National Research Tomsk Polytechnic University, Yurga, RUSSIAN FEDERATION

email: mita8@rambler.ru

3) Irkutsk National Research Technical University, Irkutsk, RUSSIAN FEDERATION

 

Abstract

In the course of work, on the example of a copper coating, it is shown that the relative difference between the tangential internal stresses on the surface of the coating deposited on the surface of a cylindrical sample and those near the substrate depend only on the diameter of the sample and the thickness of the coating. Using numerical methods with the help of the Comsol Multiphysics program, it has been established that the thickness of the coating layer, in which the influence of the substrate is felt, is about 5 m. Based on the obtained experimental and calculated values, it has been shown that the minimum permissible coating thickness at which the mutual influence of the coating and substrate mate-rials can be neglected is 25 m.

Keywords: internal stresses, torsional pendulum, friction, beam rotation, electrolytic coatings

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