Research Article
The Effects of Process Parameters on Evolutions of Thermodynamics and Microstructures for Composite Extrusion of Magnesium Alloy
Table 1
Physical properties of the AZ31 workpiece.
| Property | AZ31 | Heat transfer coefficient between tooling and billet (N/°C s mm2) | 11 | Heat transfer coefficient between tooling/billet and air (N/°C s mm2) | 0.02 | Poisson’s ratio | 0.35 | Coefficient of linear expansion | | Density (Kg·m−3) | 1780 | Poison’s ratio | 0.35 | Young’s modulus (Map) | 45000 | Emissivity | 0.12 |
|
|