High strength al-cu-mg-ag-si alloy for cast product structural applications

摘要

The present invention relates generally to aluminum-copper-magnesium based alloys and products, and more particularly to aluminum-copper-magnesium-Silver-Silicon based alloys and products particularly suitable for aircraft structural applications and military vehicle structural applications requiring very high strength and ductility.

主权项

1. Aluminum based alloy cast product with alloy chemistries comprising from about 4.0-6.0 wt. % copper, from about 0.1-1.8 wt. % magnesium, from about 0.0-0.8 wt. % silver, from about 0.0-0.8 wt. % manganese, from about 0.1-1.2 silicon, and from about 0.0-0.12 titanium and the balance being aluminum and incidental elements and impurities.