Table 2
Approximate values of material mechanical properties.
| Material | Young modulus | Elastic limit | Poisson’s ratio | Density |
|---|---|---|---|---|
| E | σe | ν | ρ | |
| GPa | MPa | kg m−3 | ||
| POM-C | 2.8 | 67 | 0.35 | 1410 |
| PC | 2.3 | 65 | 0.37 | 1200 |
| Stainless steel | 190 | 170 | 0.3 | 8000 |
| Aluminum | 69 | 30 | 0.35 | 2800 |
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