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Forming Prepainted Steel Products Coated with Solid Lubricant Films -An Alternative to Post-Painting
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English
Abstract
The concept of forming prepainted steel products directly, as an alternative to post-painting formed parts, is economically very attractive. Significant paint burnishing, scoring, and flaking may occur when prepainted steel is subjected to conventional stamping plant forming operations. Results obtained on laboratory friction and forming test equipment show that prepainted steel products coated with solid lubricant films display improved lubricity and formability and exhibit anti-burnishing, -scoring, and -flaking tendencies. These test results successfully predicted field performance of prepainted sheet steel products coated with a solid lubricant: formability was improved and surface damage reduced under actual press line stamping conditions. These improvements have been attributed to a solid lubricious material separating the tool-paint interface.
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Citation
Coduti, P., "Forming Prepainted Steel Products Coated with Solid Lubricant Films -An Alternative to Post-Painting," SAE Technical Paper 870179, 1987, https://doi.org/10.4271/870179.Also In
References
- Coduti P. L. “Tribological Behavior of Solid Lubricant Films on Bare and Coated Sheet Steel Products,” SAE Technical Paper Series 870648 . Society of Automotive Engineers, Inc. Warrendale, PA 1987
- Bernick L. M. Hilsen R. R. Wandrei C. L. “Development of a Quantitative Sheet Galling Test,” Wear 48 2 1978 323 346
- Suh N. P. Tribophysics Prentice Hall, Inc. 1986 1 103
- Ibid. 237 240