| Title |
Analysis of structure with polymer base protective coatings / |
| Translation of Title |
Konstrukcijų su polimero pagrindo apsauginėmis dangomis tyrimas. |
| Authors |
Joseph, Arockia Raj Oswald Vincent |
| Full Text |
|
| Pages |
70 |
| Keywords [eng] |
cohesive zone model ; delamination ; coatings ; ANSYS |
| Abstract [eng] |
The aim of this work is to develop a novel Finite Element Model, to simulate the delamination of polymer based protective coatings. Coatings are used to enhance the life and performance of engineering equipment and components. A detailed study of existing techniques used in analysis of delamination is performed to find the best suitable method. The evaluation of delamination and adhesion strength in different loading conditions are simulated using ANSYS. Cohesive Zone Model (CZM), is used in modelling the interface between coating and substrate. The mechanical properties of coating, incorporated in the model, were obtained through laboratory experiments and manufacturer data sheets. Simulation model of Tensile Lap Shear is developed to analyse the reliability of model. Further this model is used in engineering structures to analyse delamination in real scenario. The results show delamination initiation at maximum normal contact stress and this ensures the reliability in results of model to be used in engineering structures. Subsequent investigations on effects of surface defects are performed in model, which simulates the real-time structures. These results can be used in optimization and enhancing coating properties. It can also predict the behaviour of coating in different loading conditions i.e. static loads, temperature loads, pressure loads and atmospheric loads. Future models can be developed to incorporate the effect of surface roughness on delamination. |
| Dissertation Institution |
Kauno technologijos universitetas. |
| Type |
Master thesis |
| Language |
English |
| Publication date |
2015 |
