EN AC-46000 | AlSi9Cu3(Fe) not refined
| Numeric designation | EN AC-46000 |
|---|---|
| Chemical designation | AlSi9Cu3(Fe) |
| State | unveredelt |
| Etching | 5 % NaOH |
This pressure die-cast component has many pores and the AlSi phase is very acicular, which explains the extremely brittle fracture behavior. No refining agent (Na or Sr) could be detected in the chemical analysis, so that a melting metallurgical treatment defect is assumed.
