Abstract
Abstract In this paper, an attempt is made to describe the method that combines the results obtained from nanoindentation experiment with finite element simulation to determine or establish the elastic-plastic properties of a super-hydrophobic anti-icing coating. The nanoindentation test was conducted and elastic properties of the coating, to include elastic modulus and hardness were obtained. The plastic properties, to include yield stress, monotonic strength coefficient and monotonic strain hardening exponent, were obtained using an inverse, iterative method of experimental measurement in synergism with finite element simulation. This approach, which is a combination of experimental data obtained from the nanoindentation test and results obtained from numerical finite element simulation, was found to be effective for determining mechanical properties of the chosen coating.
Highlights
IntroductionWith continuing developments in the domain of numerical simulation technology, sustained advances have made it possible to enable numerical simulation of the microstructure with the primary and only intent of obtaining the mechanical properties of a coating
The presence of a hydrophobic coating on the surface of an aluminum alloy skin used in aircraft structures does aid in preventing the formation of ice while concurrently minimizing drag and contributing in an observable wayWith continuing developments in the domain of numerical simulation technology, sustained advances have made it possible to enable numerical simulation of the microstructure with the primary and only intent of obtaining the mechanical properties of a coating
In this paper, an attempt is made to describe the method that combines the results obtained from nanoindentation experiment with finite element simulation to determine or establish the elastic-plastic properties of a super-hydrophobic anti-icing coating
Summary
With continuing developments in the domain of numerical simulation technology, sustained advances have made it possible to enable numerical simulation of the microstructure with the primary and only intent of obtaining the mechanical properties of a coating One such numerical method, the finite element method (FEM), has in recent years, i.e., since the early 1980s, been preferentially chosen and used for studying the mechanical properties of materials, structures and coatings [10,11,12,13]. The plastic properties of a coating can be obtained through a synergism of the nanoindentation test and finite element simulation while concurrently obtaining the stress versus strain response of the coating [8, 15] In their novel research study, Hyun and co-workers [16] simulated the double indentation test using a conical indenter with the finite element method by simplifying and deducing a relationship to exist between the following: the basic structure of the chosen coating and the ‘key’ performance parameters that exist at the coating-substrate interface. Based on experimental data obtained from the nanoindentation test, the elastic-plastic properties of the chosen coating were determined by use of a combination of finite element simulation and results obtained from the nanoindentation test
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