Parameter estimation for semi-solid aluminum alloys using transient experiments
AuthorAlexandrou, Andreas N.
SourceSolid State Phenomena
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A rotating vane-cup rheometer is used to determine the rheological properties of semi-solid slurries, and a procedure is established for characterizing the rheology with emphasis given to the proper and self-consistent evaluation of the material constants.
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Alexandrou, Andreas N.; Constantinos, N.; Georgiou, Georgios C. (2008)When SSM material is subjected to a sudden transient the rate of buildup (aging) is negligible compared to the rate of breakdown (shear rejuvenation). While this is generally true, due to prolonged processing or the geometry ...
Alexandrou, Andreas N.; Florides, G. C.; Georgiou, Georgios C.; Apelian, D. (2004)An essential element for the integration of the semisolid metal (SSM) process in the production of complex commercial components is the availability of accurate mathematical and computational tools that could describe both ...
Alexandrou, Andreas N.; Florides, G. C.; Georgiou, Georgios C. (2013)A standard method used to determine material properties of semi-solid slurries is the squeeze flow experiment in which a fixed amount of material is squeezed under constant force or velocity. The relation between the force ...