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Comparison between macroscopic total strain and average εxx from the HR-DIC measurements.
| Load step | E1 | E2 | E3 | E4 |
|---|---|---|---|---|
| Macroscopic strain | 0.69% | 0.91% | 1.23% | 1.83% |
| Average εxx strain from HR-DIC | 0.68% (1.5%) | 0.87% (4.4%) | 1.16% (5.7%) | 1.70% (7.1%) |
The absolute difference between average εxx from HR-DIC measurements and macroscopic strain is given in parentheses.
