Numerical Simulation of Rheo-Diecasting Mould Filling Process of
Semisolid Magnesium Alloys |
| Journal |
Materials Science Forum (Volumes 575 - 578) |
| Volume |
Physical and Numerical Simulation of Materials Processing |
| Edited by |
Jitai NIU, Zuyan LIU, Cheng JIN and Guangtao Zhou |
| Pages |
32-36 |
| DOI |
10.4028/www.scientific.net/MSF.575-578.32 |
| Online since |
April, 2008 |
| Authors |
Hong Yan,
Tao Wang,
Ming Fu Fu
|
| Keywords |
Magnesium Alloy, Numerical Simulation, Rheo-Diecasting, Semi-Solid |
| Abstract |
Base on the coupled three-dimensional model of flow temperature and apparent viscosity
on semisolid materials, the mould filling processes of liquid and semisolid magnesium alloys have
been analyzed. The simulation results showed that the semisolid mould filling with the characteristic
of pseudo-plasticity and Bingham type is steady and the air entrapment is much smaller than that of
liquid die casting. Therefore, the semisolid die casting can prevent from those defects produced by
the traditional die casting, which offer a new technology for lower interior defects and better quality. |
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