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Metal Compression Forming - A New Process for Structural Aluminum Alloy Castings
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English
Abstract
Metal Compression Forming (MCF) is a variant of the squeeze casting process, in which molten metal is allowed to solidify under pressure in order to close porosity and form a sound part. However, the MCF process applies pressure on the entire mold face, thereby directing pressure on all regions of the casting and producing a uniformly sound part. The process is capable of producing parts with properties close to those of forgings, while retaining the near net shape, complexity in geometry, and relatively low cost of the casting process. The paper describes the casting process development involved in the production of an aluminum A357 alloy motor mount bracket, including the use of a filling and solidification model to design the gating and determine process parameters. Tensile properties of the component are presented and correlated with those of forged components.
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Authors
Citation
Viswanathan, S., Brinkman, C., and Purgert, R., "Metal Compression Forming - A New Process for Structural Aluminum Alloy Castings," SAE Technical Paper 982107, 1998, https://doi.org/10.4271/982107.Also In
References
- Viswanathan S. Brinkman C. R. Porter W. D. Purgert R. M. “Production of A357 Motor Mount Bracket by the Metal Compression Forming Process,” Transactions North American Die Casting Association Rosemont, Illinois 1997 353 358
- ASM Specialty Handbook Aluminum and Aluminum Alloys Materials Park, Ohio ASM International 1993 72 101