Open Access
Table 1.
Investigated parameters.
| Parameter | Values |
|---|---|
| Specimen material | AlMg3/Cu-ETP |
| Forming degree φ (Eq. (4)) | −0.17/−0.34/−0.51/−0.69/−0.88/−1.10/−1.30 |
| Stamp structure | polished/grinding marks/erosion craters/micro calottes |
| Lubrication | no lubrication/forming oil (Plantoform MBO 2797) |
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