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Wheels and Other Automotive Parts Through the Pore-Free Die Casting Process
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English
Abstract
The Pore-Free Die Casting process (hereinafter referred to as PFD) is a special method in which die casting is accomplished by filling die cavities with oxygen gas, which easily combines chemically with molten metal to prevent gas bubbles in the product.
The PFD makes it possible to utilize pressure die casting to its maximum advantage and also to eliminate many disadvantages incurred by entrapped gas pores.
Nippon Light Metal Company, Ltd. started commercial production of aluminum wheels using the PFD process in 1982 and has also begun fabricating and marketing high quality magnesium products to meet the latest market requirements.
This paper will review the principle and technology of the PFD, and PFD application in automobile parts including light-weight wheel and other products.
The product characteristics such as mechanical properties, heat treatment, microstructure, internal quality, corrosion resistance, etc. of aluminum and magnesium castings made by the PFD will be described.
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Citation
Ito, T., Takikita, T., and Miki, I., "Wheels and Other Automotive Parts Through the Pore-Free Die Casting Process," SAE Technical Paper 910552, 1991, https://doi.org/10.4271/910552.Also In
References
- Ito T. “Application of Al and Mg Alloys to Automobile Parts” Journal of the Soc. of Automotive Engineers of Japan 43 6 June 1989 39 46
- Miki I. Kido T. “Pore-Free Die Casting” Light Metal Age December 1973 9 14
- Ito T. Takikita T. “MAGTEK - Magnesium Products by High Technology” Special Magazine of Aluminum February 1987 22 26
- Magers Dwain M. SDCE 13th International Die Casting Congress and Exposition June 3-6 1985 Paper No. G-T35-025