Calculation and experimental procedure for determining the modulus of elasticity of porous coatings on a substrate during bending. Part 1. Theoretical foundations

Authors

DOI:

https://doi.org/10.20535/2521-1943.2022.6.2.261923

Keywords:

modulus of elasticity, porous coatings, elastic-geometric characteristics, bending rigidity, double-layer section, composite center of inertia

Abstract

The purpose of this work is to develop a design and experimental technique for determining the modulus of elasticity of one of the layers of a two-layer bar of rectangular cross section during bending, provided that the modulus of elasticity of the other layer is known. In this part of the work, using the transition formulas of relatively parallel axes, a mathematical expression has been obtained to determine the bending stiffness of a two-layer rectangular section, which does not include distances from the centers of weight of sections of layers to the pivot center of weight of the entire section, which, in turn, depend on the elastic modules of layers. The presence of such an expression made it possible to form an algebraic equation in which the modulus of elasticity of one of the layers can act as an unknown. As a result, the mathematical connection of the unknown modulus of elasticity with the known modulus of elasticity of the other layer, geometric dimensions of layers and bending stiffness of the entire section was established, which should be determined experimentally.

 

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Published

2022-10-01

How to Cite

[1]
M. Dyman, A. . Moltasov, and S. Kalyuzhny, “Calculation and experimental procedure for determining the modulus of elasticity of porous coatings on a substrate during bending. Part 1. Theoretical foundations”, Mech. Adv. Technol., vol. 6, no. 2, pp. 139–142, Oct. 2022.

Issue

Vol. 6 No. 2 (2022)

Section

Mechanics

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Copyright (c) 2022 Маріанна Михайлівна Димань, Андрій Молтасов, Сергій Калюжний

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