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Tensile Stresses in the Coating with Interlayer under Normal and Tangential Loading.
Adam Stanisław Bajkowski1, Rafał Grądzki1, Justinas Gargasas2
1Faculty of Mechanical Engineering, Bialystok University of Technology, 45C Wiejska Street, 15-351 Bialystok, Poland.
Materials (Basel, Switzerland)
|December 23, 2022
Summary
This study provides an analytic solution for elasticity problems in layered, non-homogeneous half-spaces under surface loading. Findings offer insights into designing coatings to manage tensile stress effectively.
Area of Science:
- Solid Mechanics
- Materials Science
- Geotechnical Engineering
Background:
- Investigates the mechanical behavior of layered, non-homogeneous half-spaces.
- Addresses the complexities of surface loading on composite structures.
Purpose of the Study:
- To derive an analytic solution for a 3D elasticity problem.
- To analyze stress distribution in a layered half-space with varying material properties.
Main Methods:
- Developed an analytic solution for elasticity.
- Performed first principal stress analysis on a non-homogeneous half-space with two coating layers.
- Considered varying Young's moduli between layers and substrate.
Main Results:
- Obtained an analytic solution for the 3D elasticity problem.
- Analyzed stress concentrations under normal and tangential circular loading.
- Identified the impact of differing Young's moduli on stress distribution.
Conclusions:
- The analytic solution is applicable to layered elastic half-spaces.
- Results provide guidance for designing coating compositions to control tensile stress.
- The study contributes to understanding stress behavior in composite materials.
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