| 摘要 |
<p>An Al-based alloy containing essentially Li, Cu, Mg and Zr as main alloying elements and having good resistance to deformation when cold, in particular during cold rolling of sheets or strips, and good resistance to damage, that is to say essentially good fatigue and stress-corrosion resistance, as well as good tenacity.
<??>The alloy has the following composition by weight (in %):
from 1.7 to 2.3 of Li
from 1.0 to 1.5 of Cu
from 1.0 to 1.8 of Mg
from 0.04 to 0.15 of Zr
up to 2 of Zn
up to 0.15 of Fe
up to 0.15 of Si
up to 0.5 of Mn
up to 0.25 of Cr
others: each </= 0.05
total </= 0.15
remainder Al.
<??>This alloy can be employed as a structural component, especially in the aeronautics and space industries. </p> |
