Research Article
Plasticity Improvement of Ball-Spun Magnesium Alloy Tube Based on Stress Triaxiality
Table 1
Properties and process parameters of the blank tube.
| | Tube material | Elastic modulus (MPa) | Poisson’s ratio | Yield stress () | Outside diameter of tube (mm) | Tube-wall thickness (mm) | R (mm) | Δt (mm) | f (mm/r) |
| | Magnesium alloy (AZ31B) | 44800 | 0.31 | 180 | 18 | 1.5 | 2.5 | 0.1 | 0.1 | | 3 | 0.2 | 0.15 | | 3.5 | 0.3 | 0.2 | | 4 | 0.4 | 0.25 | | 4.5 | 0.5 | 0.3 |
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