CobaPress™ process is a hybrid process of casting and forging leading to the manufacturing of high integrity/critical safety components and sub-assemblies for the automotive industry. Throughout this process, the main objective consists of the elaboration of an aluminum alloy with yield strength of 300 MPa and at least 8% of elongation. The use of Thermocalc© simulations allowed us to set up with annealing temperatures and chemical composition. Channel die experiments have been carried out to study sub-structure evolution for a fixed temperature and different strain rates. Observations on EBSD have been made in order to characterize recovery and/or recrystallization. Apart from the fact that sub-structuration improves yield strength and ultimate tensile strength, fatigue life is much greater than AS7G03 usually used through the CobaPress™ process.
CITATION STYLE
Balde, M., Desrayaud, C., Bouvier, V., & Perrier, F. (2017). Microstructural Optimization of a High Mechanical Properties Aluminum Alloy By Using CobaPress Process. In Minerals, Metals and Materials Series (Vol. 0, pp. 439–446). Springer International Publishing. https://doi.org/10.1007/978-3-319-51541-0_55
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