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Stochastic approach to the spatial analysis of pitting corrosion and pit interaction
Institution:1. Den-Service de la Corrosion et du Comportement des Matériaux dans leur Environnement (SCCME), CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France;2. Institut de Recherche de Chimie Paris, CNRS – Chimie ParisTech, 11 rue Pierre et Marie Curie, 75005 Paris, France;3. Laboratoire Analyse et Modélisation pour la Biologie et l’Environnement, UMR 8587, CNRS-CEA-Université d’Evry Val d’Essonne, Bd F., Mitterrand, 91 025 Evry, France;1. Department of Nuclear Engineering, Khalifa University, Abu Dhabi, United Arab Emirates;2. Nuclear Security Division, Federal Authority for Nuclear Regulation, Abu Dhabi, United Arab Emirates;3. Nuclear and Quantum Engineering Department, Korea Advanced Institute of Science and Technology, Republic of Korea;1. School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an, China;2. State Key Laboratory of Green Building in Western China/Xi’an University of Architecture and Technology, Xi’an, China;3. Key Lab of Engineering Structural Safety and Durability/Xi’an University of Architecture and Technology, Xi’an, China;1. Key Lab of Intelligent Disaster Mitigation of the Ministry of Industrial and Information Technology, Harbin, China;2. Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin, China;3. School of Civil Engineering, Harbin Institute of Technology, Harbin, China;4. School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin, China;5. National Center for Materials Service Safety, University of Science and Technology Beijing, Beijing, China
Abstract:This paper presents a stochastic analysis of spatial point patterns as effect of localized pitting corrosion. A test of randomness is performed by means of the inter-event distance method. The robustness of the method is tested with two artificially generated samples. The method is applied to published empirical data. The results complied when spatial regularity of pits was found and showed discrepancy when pit interaction was observed.
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