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Corrosion Mechanisms in Bright Stainless Steel Trim Systems
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English
Abstract
Exterior automotive trim materials are exposed to aggressive environments and therefore must have satisfactory corrosion resistance. Stainless steel materials such as bimetal (stainless steel clad aluminum) are therefore used extensively in this application. This paper addresses the effect of surface contamination on the corrosion behavior of stainless steels which have been fabricated with the application of a PVC polyfilm protector. The effect of residual deposits on the stainless steel has been investigated using CASS and cyclic immersion corrosion tests, Auger analysis, and gas chromatography coupled with Fourier Transform Infrared Analysis (FTIR). The mechanism of reduced corrosion resistance attributed to these residual deposits is described.
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Citation
Baboian, R. and Gorman, W., "Corrosion Mechanisms in Bright Stainless Steel Trim Systems," SAE Technical Paper 932333, 1993, https://doi.org/10.4271/932333.Also In
References
- Baboian, R. Causes and Effects of Corrosion Relating to Exterior Trim on Automobiles SAE Technical Paper No. 831835 1983
- Baboian, R. Automotive Corrosion and Protection NACE Houston, TX 1992
- Baboian, R. Automotive Corrosion by Deicing Salts NACE Houston, TX 1981
- Baboian, R. Materials Degradation Caused by Acid Rain American Chemical Society Washington, DC 1986
- Baboian, R. Localized Corrosion of Stainless Steel Exterior Automotive Trim NACE CORROSION/90, Paper No. 91 April 1990
- Report on Round Robin Corrosion Tests on Stainless Steel Trim Materials SAE Bright Trim Committee, Stainless Steel and Bimetal Task Group November 13 1992
- General Motors Corporation Test Specification PETM 1025