A holistic mathematical modelling and simulation for cathodic delamination mechanism – a novel and an efficient approach

Authors: Nazir, H., Khan, Z. and Stokes, K.

http://eprints.bournemouth.ac.uk/22345/

http://www.tandfonline.com/

Journal: Journal of Adhesion Science and Technology

Pages: 1-39

Publisher: Taylor & Francis

ISSN: 1568-5616

DOI: 10.1080/01694243.2015.1071023

This paper addresses a holistic mathematical design using a novel approach for understanding the mechanism of cathodic delamination. The approach employed a set of interdependent parallel processes with each process representing: cation formation, oxygen reduction and cation transport mechanism, respectively. Novel mathematical equations have been developed for each of the processes based on the observations recorded from experimentation. These equations are then solved using efficient time-iterated algorithms. Each process consists of distinct algorithms which communicate with each other using duplex channels carrying signals. Each signal represents a distinct delamination parameter. As a result of interdependency of various processes and their parallel behaviour, it is much easier to analyse the quantitative agreement between various delamination parameters. The developed modelling approach provides an efficient and reliable prediction method for the delamination failure. The results obtained are in good agreement with the previously reported experimental interpretations and numerical results. This model provides a foundation for the future research within the area of coating failure analysis and prediction.

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Authors: Nazir, M.H., Khan, Z.A. and Stokes, K.

http://eprints.bournemouth.ac.uk/22345/

Journal: Journal of Adhesion Science and Technology

Volume: 29

Issue: 22

Pages: 2475-2513

eISSN: 1568-5616

ISSN: 0169-4243

DOI: 10.1080/01694243.2015.1071023

© 2015 The Author(s). Published by Taylor & Francis. This paper addresses a holistic mathematical design using a novel approach for understanding the mechanism of cathodic delamination. The approach employed a set of interdependent parallel processes with each process representing: cation formation, oxygen reduction and cation transport mechanism, respectively. Novel mathematical equations have been developed for each of the processes based on the observations recorded from experimentation. These equations are then solved using efficient time-iterated algorithms. Each process consists of distinct algorithms which communicate with each other using duplex channels carrying signals. Each signal represents a distinct delamination parameter. As a result of interdependency of various processes and their parallel behaviour, it is much easier to analyse the quantitative agreement between various delamination parameters. The developed modelling approach provides an efficient and reliable prediction method for the delamination failure. The results obtained are in good agreement with the previously reported experimental interpretations and numerical results. This model provides a foundation for the future research within the area of coating failure analysis and prediction.

The data on this page was last updated at 05:01 on March 20, 2019.