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© 2019 The Authors. Self-healing materials with an inherent repair mechanism have been widely studied. However, the self-healing efficiencies of most materials can only be measured by laboratory-based experiments, which can be time consuming and expensive. Inspired by modern machine learning approaches, we are interested in predicting the self-healing efficiency of new bio-hybrid materials, as part of our ongoing EPSRC funded “Manufacturing Immortality” project. By modelling existing experimental data, predictive models can be built to forecast self-healing efficiency. This has the potential to reduce the time input required by laboratory experiments, guide material and component selection, and inform hypotheses, thereby facilitating the design of novel self-healing materials. In this position paper, we first present preliminary knowledge and quantitative definitions of the self-healing efficiency of materials. We then demonstrate several widely used machine learning approaches and review an experimental case of predictive modelling based on neural networks. Furthermore, and aiming to expedite self-healing material development, we propose an on-line ensemble learning framework as the whole system model for the optimization of predictive computational models. Finally, the rationality of our on-line ensemble learning framework is experimentally studied and validated.
Author(s): Wang W, Moreau NG, Yuan Y, Race PR, Pang W
Publication type: Article
Publication status: Published
Journal: Computational Materials Science
Year: 2019
Volume: 168
Pages: 180-187
Print publication date: 01/10/2019
Online publication date: 19/06/2019
Acceptance date: 25/05/2019
ISSN (print): 0927-0256
Publisher: Elsevier BV
URL: https://doi.org/10.1016/j.commatsci.2019.05.050
DOI: 10.1016/j.commatsci.2019.05.050
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