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Organic Coated Steel Sheet for Automotive Body Panel
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Abstract
A thin organic coated steel sheet (HI-SUPER-DN) has been recently developed for automotive body panel applications. The steel sheet consists of a Zn-Ni alloy-plated layer, a chromate film and a thin organic coated layer, which is composed of colloidal silica, organic polymer and an organic additive. Corrosion resistance, formability of the coated layer, weidability and electropaintability of the steel sheet required for automotive body panel were studied. An increase in the colloidal silica in the organic coated layer improves corrosion resistance. However, the formability of the organic coated layer deteriorates with such as increase in the colloidal silica. We have optimized the ratio of colloidal silica to organic polymer so as to balance both the corrosion resistance and the formability of the organic coated layer. Futhermore, the bake-hardenability of the steel sheet was maintained by a relatively low temperature baking of the chromate film and the organic coated layer. This coated steel sheet is, as a whole, superior to other various coated steel sheets and has been put to practical use by Japanese automobile manufacturers.
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Nakamura, K., Sakai, H., Miki, K., and Nomura, S., "Organic Coated Steel Sheet for Automotive Body Panel," SAE Technical Paper 890710, 1989, https://doi.org/10.4271/890710.Also In
References
- Okuda H. Matsui K. Toyoshima T. Tetso-to-Hagane 69 s1104 1983
- Tgawa S. Mohri T. Kobayashi S. Ichida T. SAE paper 850004
- Kitayama M. Yoneno M. Matsuda K. Oka T. Tetsu-to-Hagane 71 749 1985
- Dorsett T. E. SAE paper 862027
- Hisamatsu T. Hyomen 3 731 1968
- Shibuya A. Kurimoto T. Korekawa K. Noji K. Tetsu-to-Hagane 66 771 1980
- Kitayama M. Azami T. Miura N. Ogasawnrn T. Transactions ISIJ 24 742 1984