Browsing by Subject "Dies"
Now showing items 1-3 of 3
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Article
Mathematical and computational modeling of die filling in semisolid metal processing
(1999)A 'Bingham type', or Herschel-Bulkley constitutive relation capable of describing correctly the bulk behavior of the semisolid slurry is introduced. This relation is implemented in a modified version of the casting simulation ...
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Conference Object
Numerical simulation of die filling in semisolid metal processing
(Affiliation: WPI, Worcester, United StatesCorrespondence Address: Bardinet, FrancoisWPI, Worcester, United States, 1997)Semisolid Metal Processing offers distinct advantages over other near-net-shape technologies, such as a more homogeneous microstructure, less porosity and thus excellent mechanical properties. A perfect control of die ...
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Article
Sharkskin and oscillating melt fracture: Why in slit and capillary dies and not in annular dies?
(2008)The sharkskin and stick-slip polymer extrusion instabilities are studied primarily as functions of the type of die geometry. Experimental observations concerning the flow curves, the critical wall shear stress for the onset ...