The behavior of semi-solid alloys is quite different in tension, compression and shear and depends strongly on the morphology of the micro-structure. This article outlines a generalized viscoplastic material model for semi-solid alloys which reflects this complex viscoplastic behavior. From the generalized model a number of well known yield functions and viscoplastic material models for semi-solid and solid materials can be reproduces. The general model is applied to describe the behavior of the semi-solid A356 alloy below the coherency temperature during equiaxed solidification.
CITATION STYLE
Benke, S., & Laschet, G. (2008). On a class of thermo-visco-plastic constitutive equations for semi-solid alloys. In Solid State Phenomena (Vol. 141–143, pp. 653–658). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/ssp.141-143.653
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