Aluminum/Magnesium Alloy Foil (Al97.5/Mg2.5)

Aluminum/Magnesium Alloy Foil (Al97.5/Mg2.5) offers a balance between mechanical strength, corrosion resistance, and workability, making it suitable for a wide range of high-performance applications. With 2.5% magnesium, the alloy achieves improved tensile strength and fatigue resistance while retaining excellent formability for deep drawing and complex shaping. Its lightweight nature combined with enhanced resistance to marine and chemical corrosion makes it ideal for aerospace thermal insulation layers, battery casing materials, and flexible electronic shielding. Industries including aerospace, marine engineering, and consumer electronics benefit from its performance, particularly in environments requiring durability under cyclic thermal and mechanical stress. Research focuses on optimizing Mg distribution to improve weldability, prevent intergranular corrosion, and enhance surface finish for applications such as optical reflectors, precision heat exchangers, and advanced packaging for electrochemical cells. Aluminum/Magnesium Alloy Foil (Al97.5/Mg2.5) continues to play a crucial role in the design of components where lightweight and durability are essential.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Foil

Thickness	<0.01mm	±25%
Thickness	0.01mm - 0.05mm	±25%
Thickness	>0.05mm	±10%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	<14
Modulus of elasticity( GPa )	70
Hardness - Vickers( kgf mm⁻² )	70
Shear strength( MPa )	135
Tensile strength( MPa )	210

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	4.95
Temperature coefficient( K⁻¹ )	-

Thermal Properties

Element	Value
Melting point( C )	605
Specific heat( J K⁻¹ kg⁻¹ )	880@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	138@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	23.7@20-100°C