Modelling of Ball Impacts on Coatings and Erosion of Special Technique Components

Authors

  • J. Stodola Faculty of Military Technology, University of Defence Brno, Czech Republic

Keywords:

wear, erosion, coating, impact, hardness, modelling

Abstract

Special military ground vehicle operate in extreme conditions and require extensive measurements to improve the durability of all systems and materials in their subsystems. Protective coatings usually perform this function with great success. One of the most pressing needs for special vehicle is the development of high performing coatings for erosion protection of engine components (turbine, compressor, turbocharger, intercooler components, etc.). The approach presented in this paper is based on use of computer simulation techniques to model coating behaviour in simulated erosion conditions. Shear stress and equivalent plastic strain at the coating substrate interference were used as criteria describing coating response to particle impact. This article deals with preliminary modelling results, in terms of selecting range of material properties (internal layers thickness and stress or strain) and coating structure.

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Published

27-02-2022

Issue

Section

Research Paper

How to Cite

Modelling of Ball Impacts on Coatings and Erosion of Special Technique Components. (2022). Advances in Military Technology, 6(2), 5-18. https://www.aimt.cz/index.php/aimt/article/view/1600

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