Al 7475-T7351 Stress-Strain data

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Overview

Al 7475-T7351 is a controlled toughness alloy developed by Alcoa Laboratories for sheet and plate applications that require a combination of high strength, superior fracture toughness and resistance to fatigue crack propagation. More information on fatigue life cycle data can be found on:

Al 7475-T7351 chemical decomposition is shown on Table 1.

Table 1: Chemical Composition Limits for Al 7475-T7351 alloy [1] (WT. %)
element [weight %]
Si max 0.10%
Fe max 0.12%
Cu 1.2-1.9%
Mn max 0.06%
Mg 1.9-2.6%
Cr 0.18-0.25%
Zn 5.2-6.2%
Ti max 0.06%
Others, each max 0.05%
Others, total max 0.15%
Aluminium remainder

Tensile stress-strain data (Fig.1 and 2)

Figure 1. Typical tensile stress-strain curves at temperature for 7475-T7351 aluminum alloy plate (longitudinal)[1]
Figure 2. Typical tensile stress-strain curves at temperature for 7475-T7351 aluminum alloy plate (transverse)[1]

Compression stress-strain data (Fig.3 and 4)

Figure 3. Typical compressive stress-strain and tangent modulus curves at temperature for 7475-T7351 aluminum alloy plate (longitudinal)[1]
Figure 4. Typical compressive stress-strain and tangent modulus curves at temperature for 7475-T7351 aluminum alloy plate (transverse)[1]

References

  1. 1.0 1.1 1.2 1.3 1.4 Omar L. Deel, Paul E. Ruff, and H. Mindlin, ENGINEERING DATA ON NEW AEROSPACE STRUCTURAL MATERIALS, Battelle Columbus Laboratories, June 1975
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