EN AW-3003 | Al Mn1Cu
Numeric designation | EN AW-3003 |
---|---|
Chemical designation | Al Mn1Cu |
Etching | Barker |
The micrographs show etching according to Barker. Unfortunately, etching according to Kroll did not work here.
The precipitates are of the type Al4Mn or Al6Mn.
Barker:
- 20 V d-c
- 120 s
- V2A-Kathode