7475-T761 is a high-strength aluminum-zinc-magnesium-copper alloy reinforced with aramid fibers in sheet laminate form, delivering enhanced damage tolerance and fatigue resistance for aerospace structural applications. The T761 temper (overaged condition) provides controlled strength levels with improved fracture toughness relative to peak-hardness tempers, making it suitable for damage-critical aircraft components operating at intermediate temperatures.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Ultimate Bearing Strength(Fbru)2 entries | 627.4 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · L | ||
| ↳ | 661.9 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · LT | ||
Bearing Yield Strength(Fbry)2 entries | 503.3 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · L | ||
| ↳ | 524.0 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · LT | ||
Compressive Modulus(Ec) | 66.19 | GPa | 22°C · Aramid fiber reinforced sheet laminate | ||
Compressive Yield Strength(Fcy)2 entries | 317.2 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · L | ||
| ↳ | 351.6 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · LT | ||
Elongation at Break(εf)2 entries | 1.500 | - | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · L | ||
| ↳ | 6.100 | - | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · LT | ||
Poisson's Ratio(ν) | 0.3500 | - | 22°C | ||
Shear Modulus(G) | 19.31 | GPa | 22°C · Aramid fiber reinforced sheet laminate | ||
Ultimate Shear Strength(Fsu) | 241.3 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 | ||
Ultimate Tensile Strength(σUTS)2 entries | 710.2 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · L | ||
| ↳ | 386.1 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · LT | ||
Yield Strength (0.2% offset)(σy)2 entries | 524.0 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · L | ||
| ↳ | 330.9 | MPa | 22°C · Aramid fiber reinforced sheet laminate · AMS 4302 · LT | ||
Young's Modulus(E) | 67.57 | GPa | 22°C · Aramid fiber reinforced sheet laminate |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.353 | kg/m³ | 22°C |