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Developing the Chipping Corrosion Test
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English
Abstract
A laboratory test procedure for evaluating the cosmetic corrosion resistance of auto body materials systems is presented. The test method combines periodic impact damage and scab corrosion cycles. Results are presented showing performance differences between coated sheet steels, phosphates, paint systems, and processing methods which were not discerned using conventional scribed panel scab corrosion methods. Four test methods are discussed which are capable of differentiating between alternate materials or processing methods.
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Citation
Stephens, M., Davidson, D., Soreide, L., and Shaffer, R., "Developing the Chipping Corrosion Test," SAE Technical Paper 862013, 1986, https://doi.org/10.4271/862013.Also In
References
- Chrysler Corporation, Engineering and Research Office Laboratory Procedure no. LP 463 PB-50-01
- Chrysler Corporation, Engineering and Research Office Laboratory procedure No. LP 463 PB-39-01
- Gray B. M. Shaffer R. J. Davidson D. D. Stephens M. L. “An Evaluation of Cosmetic Corrosion Performance of Zinc and Zinc Alloy Coated Steels” paper presented at 1986 SAE Automotive Corrosion and Prevention Conference & Exposition Dearborn, MI Dec. 8-10 1986
- Davidson D. D. Stephens M. L. Soreide L. E. Shaffer R. J. “Methods of Characterizing Phosphate Coatings on Automotive Sheet Steels” paper presented at 1986 SAE Automotive Corrosion and Prevention Conference & Exposition Dearborn, MI Dec. 8-10 1986
- Hospadaruk, V. et al. “Paint Failure. Steel Surface Quality, and Accelerated Corrosion Testing” SAE 780186
- GM Test Method 54 26
- Chrysler Corporation, Engineering and Research Office Laboratory Procedure No. LP 463 PB-51-01