Abstract
Different amounts of coarse intermetallic particles were produced in an aluminium alloy by variations of the iron content. Microstructural examination of the extrusion surface shows that Fe-rich intermetallic particles reduce the grain size, randomize the texture, retard the recrystallization process and decrease the difference in the fraction of high-angle grain boundaries. After alkaline etching, the primary intermetallic particles decrease the surface gloss and its variation on the same extrusion surface, reducing the tendency for streaking defects.
Original language | English |
---|---|
Pages (from-to) | 401-406 |
Number of pages | 6 |
Journal | Materials Chemistry and Physics |
Volume | 113 |
Issue number | 1 |
DOIs | |
Publication status | Published - 15 Jan 2009 |
Externally published | Yes |
Keywords
- Aluminium alloy
- Defects
- Etching