Abstract
Phase transformations in materials systems can be tracked using atomic force microscopy (AFM), enabling the examination of surface properties and macroscale morphologies. In situ measurements investigating phase transformations generate large datasets of time-lapse image sequences. The interpretation of the resulting image sequences, guided by domain-knowledge, requires manual image processing using handcrafted masks. This approach is time-consuming and restricts the number of images that can be processed. In this study, we developed an automated image processing pipeline which integrates image detection and segmentation methods. We examine five time-series AFM videos of various fluoroelastomer phase transformations. The number of image sequences per video ranges from a hundred to a thousand image sequences. The resulting image processing pipeline aims to automatically classify and analyze images to enable batch processing. Using this pipeline, the growth of each individual fluoroelastomer crystallite can be tracked through time. We incorporated statistical analysis into the pipeline to investigate trends in phase transformations between different fluoroelastomer batches. Understanding these phase transformations is crucial, as it can provide valuable insights into manufacturing processes, improve product quality, and possibly lead to the development of more advanced fluoroelastomer formulations.
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Acknowledgements
This material is based upon research in the Materials Data Science for Stockpile Stewardship Center of Excellence (MDS3−COE), and supported by the Department of Energy’s National Nuclear Security Administration under Award Number(s) DE-NA0004104. CO acknowledges useful discussions with En Ju Cho, Chami Swaminathan, Xiaojie Xu, and James Lewicki. Work performed by CO was under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52- 07NA27344. This work made use of the High Performance Computing Resource in the Core Facility for Advanced Research Computing at Case Western Reserve University.
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Lu, M., Venkat, S.N., Augustino, J. et al. Image Processing Pipeline for Fluoroelastomer Crystallite Detection in Atomic Force Microscopy Images. Integr Mater Manuf Innov 12, 371–385 (2023). https://doi.org/10.1007/s40192-023-00320-8
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DOI: https://doi.org/10.1007/s40192-023-00320-8