Paper Title:
The Steady State Rheological Behavior of Semisolid AlSi6Mg2 Alloy
  Abstract

In the present work, basing on the rheological model of Chen and Fan (CF) [1] of semisolid metal slurries (SSMS), the rheological behavior at steady state of AlSi6Mg2 alloy is investigated. Experimental results on steady state viscosity of the present system in the literature are used to determine the parameters of the CF model by fitting. It has been shown that the steady state viscosity and the average agglomerate size increase with increasing the solid volume fraction and decreasing the shear rate. The theoretical prediction of the CF model is in good agreement with the experimental results in the literatures quantitatively. The importance of the effective solid volume fraction is shown by explaining the strong coupling between the viscosity and the microstructure. Specifically, the external flow conditions such as shear rate influences the viscosity by changing the agglomeration degree of the solid particles, that is, the effective solid volume fraction and then changing the viscosity.

  Info
Periodical
Chapter
Chapter 4: NEMS/MEMS Technology and Equipment
Edited by
Zhijiu Ai, Xiaodong Zhang, Yun-Hae Kim and Prasad Yarlagadda
Pages
257-260
DOI
10.4028/www.scientific.net/AMR.339.257
Citation
H. C. Luo, S. P. Chen, Q. Nie, E. S. Xu, L. P. Ju, "The Steady State Rheological Behavior of Semisolid AlSi6Mg2 Alloy", Advanced Materials Research, Vol. 339, pp. 257-260, 2011
Online since
September 2011
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$32.00
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