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A Study on Corrosion Test Methods for Automotive Steel Sheet
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English
Abstract
The corrosion behavior of an automobile body caused by de-icing salt was classified into various corrosion phenomena, of which paint exfoliation and perforation were studied fundamentally. There are 2 types of paint exfoliation. One is paint adhesion, where underfilm corrosion plays a decisive role. Another is wet adhesion, where water immersion through the paint film into the paint/substrate interface is important. Perforation corrosion can be simulated by corrosion test using lapped panel specimens. CCT conditions which should be applied for all exposure tests were determined on the basis of experimental data.
Authors
- Yasuhiko Miyoshi - Nippon Steel Corp. R & D Laboratories-II Central R&D Bureau (Sagamihara/Japan)
- Minoru Kitayama - Nippon Steel Corp. R & D Laboratories-II Central R&D Bureau (Sagamihara/Japan)
- Yoichi Ito - Nippon Steel Corp. R & D Laboratories-II Central R&D Bureau (Sagamihara/Japan)
- Hideo Koyahara - Nippon Steel Corp. R & D Laboratories-II Central R&D Bureau (Sagamihara/Japan)
Citation
Miyoshi, Y., Kitayama, M., Ito, Y., and Koyahara, H., "A Study on Corrosion Test Methods for Automotive Steel Sheet," SAE Technical Paper 840210, 1984, https://doi.org/10.4271/840210.Also In
References
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- Uhlig, H. H. “Corrosion and Corrosion Control.” John Wiley & Sons Inc. New York 1971
- Wiggle, R. R. Smith A. G. Petrocelli, J. V. “Paint Adhesion Failure Mechanisms on Steel in Corrosive Environments.” J. Paint Technology 40 174 1968
- Hare, C. H. “Considerations in Accelerated Testing of Anticorrosive Coatings.” Modern Paint Coatings 72 1 50 1982
- Jacobson, M. A. “Corrosion of Motor Vehicles: Safety and Environmental Factors: The User's View.” Corrosion of Motor Vehicles, Inst. Mechanical Engineers, London 35 1976