J. Mater. Sci. Technol. ›› 2020, Vol. 53: 146-162.DOI: 10.1016/j.jmst.2020.04.033

• Invited Review • Previous Articles     Next Articles

Review-material degradation assessed by digital image processing: Fundamentals, progresses, and challenges

Da-Hai Xiaa,b,*(), Shizhe Songa,b(), Lei Taoc(), Zhenbo Qina,b,*(), Zhong Wua,*(), Zhiming Gaoa,b(), Jihui Wanga,b(), Wenbin Hua,b(), Yashar Behnamiand(), Jing-Li Luod,**()   

  1. a Tianjin Key Laboratory of Composite and Functional Materials, Tianjin 300354, China
    b School of Materials Science and Engineering, Tianjin University, Tianjin 300354, China
    c CNOOC Tianjin Chemical Research & Design Institute Co. Ltd, Tianjin 300131, China
    d Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, T6G 1H9, Canada
  • Received:2020-03-24 Revised:2020-04-19 Accepted:2020-04-26 Published:2020-09-15 Online:2020-09-21
  • Contact: Da-Hai Xia,Zhenbo Qin,Zhong Wu,Jing-Li Luo
  • About author:Dr. Da-Hai Xia is a teacher at the school of Materials Science and Engineering, Tianjin University. He received his PhD degree from Tianjin University (China) in 2012. He then joined the University of Alberta (Canada) as a Postdoctoral fellow (2013-2014) under the guidance of Prof. Jing-Li Luo. His research interests are interdisciplinary studies of corrosion, electrochemistry and surface science.|Zhenbo Qin is a lecturer in the School of Materials Science and Engineering at Tianjin University. He received his Ph. D. in materials science and engineering from Shanghai Jiao Tong University in 2018. His current research focuses on corrosion mechanism and surface engineering for metallic materials.|Dr. Yashar Behnamian is an industrial postdoctoral research fellow at University of Alberta, Edmonton, Alberta. He obtained his Ph.D. degree in Material Science and Engineering from University of Alberta, Edmonton, Canada in 2015. He was awarded graduate heritage award in 2011. His research has been focused on corrosion mechanism and protection of metallic and non-metallic material in harsh environment.|Dr. Jing-Li Luo is a professor Emeritus at Department of Chemical and Materials Engineering, University of Alberta, Canada. She obtained her Ph.D. degree in Materials Science and Engineering from McMaster University, Canada in 1992. She served as Canadian Research Chair in Alternative Fuel Cells from 2004 to 2015, and received a number of awards including Morris Cohen Award in 2002, McCalla Professorship of University of Alberta in 2003 and Metal Chemistry Award in 2014. Dr. Luo was elected to be Fellow of the Canadian Academy of Engineering in 2016. Her research has been focused on fuel cells, energy storage research, clean energy technology and corrosion control.

Abstract:

Material degradation is accompanied by the changes in surface structure, morphology, and composition. These changes can be recorded by a variety of image acquisition devices that export digital images in grayscale or true color to a detector. Information regarding corrosion type and extent can be extracted with image processing methods. This paper provides a comprehensive review of material degradation assessed by digital image processing. Digital image processing systems used to assess material degradation are briefly reviewed, and the algorithms developed to process metallic materials degradation images are described. Physical and electrochemical methods that can be used to support digital image processing results are summarized, and future work that will augment the present methods of evaluating material degradation are discussed.

Key words: Image processing, Material degradation, Corrosion, Pitting, Fuzzy K-S entropy