The core material of Alclad 2024-T4 is primarily composed of what?

Alclad 2024-T4 is a type of aluminum alloy that features a core material primarily made of a heat-treated aluminum alloy, specifically 2024. This alloy is recognized for its high strength-to-weight ratio, making it particularly suitable for aerospace applications. The "T4" designation indicates that the material has been heat-treated to enhance its mechanical properties, such as yield strength and tensile strength, after being solution heat-treated and then naturally aged.

The "Alclad" aspect refers to the alloy being clad with a thin layer of pure aluminum on its surface. This cladding provides excellent corrosion resistance, which is important given the structural role that 2024-T4 plays in aircraft components. The combination of a strong core material with the protective cladding is what makes Alclad 2024-T4 a favored choice in the aerospace industry.

Other options do not apply, as pure copper, stainless steel, and plastic composites do not form the core material of Alclad 2024-T4 or do not fit the context of aerospace-grade materials in this specific application. The choice of heat-treated aluminum alloy accurately reflects the composition and properties of Alclad 2024-T4.