The January 2018 and February 2019 editorials in CORROSION highlighted some of the grand challenges and opportunities facing corrosion science and engineering in the 21st century and future frontiers.1-2  The challenges associated with the multi-scale, multi-physics, as well as multi-stage nature of corrosion were discussed in Parts I and II.1-2  These helped define some of the frontiers of the field. In the past, steady advances in both theory and experimental methods, as well as transformational advances in computing and computational modeling, paced progress. This naturally leads to the question of “what’s next” in corrosion science and corrosion control and what further leaps-in-progress are in-store? Certainly one guess might be quantum computing applied to either knowledge-centric or data-centric approaches, and another might be artificial intelligence in the realm of data-centric approaches.

There are opportunities for big data, data...

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