Open Access
Table 2
Variance analysis table of torsion stiffness considering interaction.
| Source | Sum of squares | DoF | Mean square | F ratio | Significance P |
|---|---|---|---|---|---|
| A (Vacuum) | 6.47e8 | 5 | 1.29e8 | 10.4 | 1.37e–8 |
| B (Temperature) | 5.03e9 | 4 | 1.26e9 | 101.3 | 1.32e–41 |
| Interaction A × B | 1.367 | 20 | 6.83e7 | 5.5 | 2.31e–10 |
| Error E | 1.86e9 | 150 | 1.24e7 | – | – |
| Sum T | 8.91e9 | 179 | – | – | – |
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