Modelling of the aluminium alloy Al 2024 from the microscale to the macroscale: intergranular corrosion

AKID, R., LISHCHUK, Sergey, WORDEN, K., BALKOWIEC, A., MICHALSKI, J. and KURZYDLOWSKI, K. J. (2012). Modelling of the aluminium alloy Al 2024 from the microscale to the macroscale: intergranular corrosion. In: DEROSE, J. A., SUTER, T., HACK, T. and ADEY, R., (eds.) Aluminium Alloy Corrosion of Aircraft Structures : Modelling and Simulation. WIT Transactions on State-of-the-art in Science and Engineering (61). WIT press, 59-76.

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Abstract

Aluminium-based alloys show good resistant to uniform (general) corrosion. However they are much more susceptible to various types of localised corrosion, in particular intergranular corrosion (IGC), where localised attack occurs along the grain boundaries leaving the grains themselves largely unaffected. In order to estimate the progress of such corrosion in a given sample, it is possible to generate a numerical model. While there has been much effort spent in the development of electrochemistry-based models, the use of grey and black-box models remains largely unexplored. Cellular Automata (CA) models that have recently been exploited to model the progression of uniform corrosion may be developed to address localised corrosion, more specifically IGC. A probabilistic approach is chosen because it enables the simulation of complex interactions by replacing the chemical processes by a discrete proxy.

Item Type:	Book Section
Research Institute, Centre or Group - Does NOT include content added after October 2018:	Materials and Engineering Research Institute > Modelling Research Centre > Materials Modelling group
Page Range:	59-76
Depositing User:	Sergey Lishchuk
Date Deposited:	10 Nov 2016 16:26
Last Modified:	18 Mar 2021 22:30
URI:	https://shura.shu.ac.uk/id/eprint/13505

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