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Perforation Corrosion Performance of Autobody Steel Sheet in On-Vehicle and Accelerated Tests
Technical Paper
2003-01-1238
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The Auto/Steel Partnership Corrosion Project Team has completed a perforation corrosion test program consisting of on-vehicle field exposures and various accelerated tests. Steel sheet products with eight combinations of metallic and organic coatings were tested, utilizing a simple crevice coupon design. On-vehicle exposures were conducted in St. John's and Detroit for up to seven years to establish a real-world performance standard. Identical test specimens were exposed to the various accelerated tests, and the results were compared to the real-world standard. This report documents the results of these tests, and compares the accelerated test results (including SAE J2334, GM9540P, Ford APGE, CCT-I, ASTM B117, South Florida Modified Volvo, and Kure Beach (25-meter) exposures) to the on-vehicle tests. The results are compared in terms of five criteria: extent of corrosion, rank order of material performance, degree of correlation, acceleration factor, and control of test environment. Three of the laboratory accelerated tests, namely, SAE J2334, GM9540P, and Ford APGE gave results that are reasonably consistent with on-vehicle behavior.
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Authors
- Dennis Davidson - DaimlerChrysler
- Larry Thompson - General Motors
- Frank Lutze - ACT Laboratories
- Butch Tiburcio - US Steel
- Kevin Smith - Auto Technology
- Cindy Meade - National Exposure Testing
- Tom Mackie - Auto/Steel Partnership
- Duncan McCune - Quality/Statistics
- Herb Townsend - Townsend Associates
- Rebecca Tuszynski - Consultant
Citation
Davidson, D., Thompson, L., Lutze, F., Tiburcio, B. et al., "Perforation Corrosion Performance of Autobody Steel Sheet in On-Vehicle and Accelerated Tests," SAE Technical Paper 2003-01-1238, 2003, https://doi.org/10.4271/2003-01-1238.Also In
SAE 2003 Transactions Journal of Passenger Cars - Mechanical Systems
Number: V112-6; Published: 2004-09-15
Number: V112-6; Published: 2004-09-15
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