Parameter estimation for semi-solid aluminum alloys using transient experiments
AuthorAlexandrou, Andreas N.
Georgiou, Georgios C.
Source9th International Conference on Semi-Solid Processing of Alloys and Composites, S2P 2006
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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. (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 ...
Alexandrou, Andreas N.; Georgiou, Georgios C. (2007)Semisolid materials are suspensions of metal alloys which are processed while in a mushy state. In this state, the suspensions behave as viscoplastic materials with time-dependent material properties. During processing, ...