Research Article

The Effects of Process Parameters on Evolutions of Thermodynamics and Microstructures for Composite Extrusion of Magnesium Alloy

Table 2

Simulation and experimental parameters.

Billet length (mm)100
Billet diameter (mm)80
Insider diameter of container (mm)85
Outside diameter of container (mm)110
Die bearing length (mm)5
Extrusion ratio32.1
Initial billet temperature (°C)
Initial tooling temperature (°C)
Temperature range for flow stress measurement (°C)400–450
Ram speed (mm/s)
Friction factor of the container-billet interface
Friction factor between the billet and die
Total number of elements20000
Minimum size of element (mm)1
Mesh density typeRelative
Relative interference depth0.7