Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Fracture Toughness | 28.6 MPa-m½ @Thickness 25.4 mm |
26.0 ksi-in½ @Thickness 1.00 in |
K<sub>IC</sub>, L-T |
Alcoa 7055-T77511 Aluminum Extrusions Alcoa introduced alloy 7055 in the -T7751 temper for plate and the -T77511 for extrusions in 1991. This alloy was developed for use in compression-dominated structures (such as upper wing structures.. |