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Single point incremental sheet forming investigated by in-process 3D digital image correlation

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Academic year: 2021

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Figure

Fig. 1. The SPIF process pilot. CAD of the pilot (left), top view details (right).
Fig. 3. Strain evolutions along line L function of the depth of forming (see Figure 2 for the definition of line L and areas)
Fig. 4. Strain paths of the five areas (A, B, C, D and E on the stamped part, see Figure 2(b)) for two punch diameters D p and two increment step sizes ∆z: (a) D p = 10 mm, ∆z = 0.5 mm; (b) D p = 20 mm, ∆z = 0.5 mm;
Fig. 5. Stamped small pyramid without rounding, shape measured by 3D-DIC for the last strain step
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