1991-10-01

SAE ACAP DIVISION 3 Project: Statistical Evaluation of Accelerated Corrosion Test Results and Correlation with Two-Year, On-Vehicle Field Results 912283

This is the second paper which describes the activities of the SAE Automotive Corrosion and Prevention (ACAP) Division 3 (Environmental Mechanisms) Cosmetic Corrosion Subcommittee's evaluation of cosmetic corrosion test methods using the American Iron and Steel Institute (AISI) supplied test materials. The results from fourteen corrosion tests are compared with field results obtained after two years of on-vehicle exposure in Montreal and St. John's, Canada. Standard statistical methods for treating such data are used. The accelerated tests that were evaluated include cyclic, environmental, outdoor, as well as proving ground tests. Conclusions are drawn regarding the use of these tests and suggestions are made for further work.

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