Precipitation hardening of aluminium alloys
- Beslutningstøtte basert på langsiktig fundamentale markedsanalyser
6xxx alloys provide the automotive industry strong, light-weight
materials that help reduce fuel consumption and gas emissions
in cars.
Alloy design and development is possible only with a
fundamental understanding of the microstructure and its
connection to mechanical properties The mechanical properties of these age-hardenable alloys are
controlled by nanometre-sized metastable precipitates. Their
crystal structures is being solved, the microstructure resulted
after various heat treatments is quantified, different alloy
compositions are tested and their mechanical strengths are
mapped. | 
High resolution TEM images of β’, one of the
metastable phases that form in the Al-Mg-Si alloys. |
Isothermal hardness curve (150ºC) showing
the macroscopic effect of precipitates.
| 
Image with atomic resolution, position and type
of atoms in the unit cell is also indicated.
|
Contact person:Sigmund J. Andersen, tel. +47 98 28 39 03
