Original scientific paper

MODELLING OF EROSION EFFECTS ON COATINGS OF MILITARY VEHICLE COMPONENTS

Petr Stodola ; Faculty of Economics and Management, University of Defence Brno, Brno, Czech Republic
Zuzana Jamrichova ; Faculty of Special Technology, Alexander Dubcek University of Trencin, Trencin, Slovak Republic
Jiri Stodola orcid.org/0000-0001-8846-5731 ; Faculty of Military Technology, University of Defence Brno, Brno, Czech Republic

Abstract

Military and flying machines (vehicles, aircraft, etc.) operate in extreme conditions and require appropriate 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 change military vehicles is the development of high performance coatings for erosion protection of military machine components (turbine, engine, compressor, turbocharger, intercooler components, etc.). The approach presented in this article is based on the use of computer simulation techniques to model the coating behaviour in simulated erosion conditions. Shear stress and equivalent plastic strain at the coating/substrate interface were used as criteria describing the coating response to particle impact. This article deals with preliminary modelling results, in terms of selecting a range of material properties (internal layers thickness and stress or strain) and the coating structure.

Keywords

wear; erosion; coating; impact; hardness; modelling; military vehicles

Hrčak ID:

89238

URI

https://hrcak.srce.hr/89238

Publication date:

30.10.2012.

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