EN AC-43000 | AlSi10Mg die casting, Cold flow marks
| Numeric designation | EN AC-43000 |
|---|---|
| Chemical designation | AlSi10Mg |
| State | Kaltlaufstellen |
| Etching | 5 % NaOH |
Cold flow marks are casting defects that occur, for example, when the mold is filled too slowly, so that the melt solidifies and is then swirled again by the melt flowing in. The fine oxide skins lead to material separation and even cracks inside the component, and to fine flaking on the surface.
