04205 IUPAC Gold Book - non-uniform corrosion 10.1351/goldbook.N04205 N04205 current 1 Corrosion is non-uniform if the time average of the corrosion current through a unit area depends on its position on the surface. Non-uniform corrosion can be due to inhomogeneities of structure or of composition of the corroding material, or to inhomogeneities of the environment. Special cases of non-uniform corrosion such as pitting or intergranular corrosion are sometimes called localized corrosion. corrosion https://goldbook.iupac.org//terms/view/C01351 corrosion current https://goldbook.iupac.org//terms/view/C01358 uniform corrosion https://goldbook.iupac.org//terms/view/U06555 PAC, 1989, 61, 19. 'Electrochemical corrosion nomenclature (Recommendations 1988)' on page 21 (https://doi.org/10.1351/pac198961010019) https://goldbook.iupac.org/terms/view/N04205/html https://goldbook.iupac.org/terms/view/N04205/json https://goldbook.iupac.org/terms/view/N04205/plain Citation: 'non-uniform corrosion' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.N04205 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-06-12T03:22:14+00:00