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A Study of Nonprotective Rust Formation On Auto-Body Sheet Steel
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English
Abstract
ALTHOUGH average car life has jumped in 30 years from 6½ to 13½ years, improvements in service life of body structures have not kept pace with increased durability of engines and other mechanical parts. Hence the growing interest in improving corrosion resistance of the sheet steels used in auto bodies.
This paper reports results obtained in cyclic humidity accelerated corrosion tests aimed at finding a cheap, easily formed sheet steel with better resistance against the sheltered corrosion which causes the most serious body damage. The test produces in 20 days the same kind of non-protective rust formed in years of outdoor exposure.
Since high-carbon steels, shown in the tests to be the most potent corrosion reducers, cannot be used in auto bodies because of their poor forming characteristics, efforts are now being directed toward finding a combination of elements that will produce the same results without a cost or forming penalty.
Authors
Citation
Holzwarth, J., Thomson, R., and Boegehold, A., "A Study of Nonprotective Rust Formation On Auto-Body Sheet Steel," SAE Technical Paper 560021, 1956, https://doi.org/10.4271/560021.Also In
References
- 17 “Automobile Facts and Figures.” Automobile Manufacturers Association Detroit 1952
- ASTM Proceedings Vol. 45 1945 554 590 “Theory of Mechanism of Rusting of Low-Alloy Steels in Atmosphere,” Copson. H. R.
- “Corrosion Problems of Automotive Engineer,” LaQue F. L. Hergenroether. E. J. Paper presented at SAE Summer Meeting French Lick, Ind. June 7 1949
- ASTM Bulletin, No. 187 January 1953 47 53 “General Motors Research Corrosion Test: Cyclic Humidity Accelerated Corrosion Test for Sheet Steel,” Opinsky, A. J. Thomson, R. F. Boegehold. A. L.
- ASTM Proceedings Vol. 46 1946 593 609 “Atmospheric Corrosion Tests on High-Chromium Steels,” Binder W. O. Brown. C. M.
- Corrosion, Vol. 9 August 1953 259 271 “Corrosion Resistance of High-Strength Low-Alloy Steels as Influenced by Composition and Environment,” Larrabee. C. P.