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Grade: Grade 5
Formula: Ti 90/Al 6/V 4
Form: Foil (Light Tight)
Material: Titanium/Aluminum/Vanadium Alloy
Commodity: Alloys
Light Tight: Light Tight

Grade 5 Titanium/Aluminum/Vanadium Alloy Foil (Light Tight) (Ti90/Al 6/V 4)

Grade 5 Titanium/Aluminum/Vanadium Alloy Foil (Light Tight) (Ti90/Al6/V4) is ideal for applications requiring low light transmission, high strength-to-weight ratio, and chemical compatibility. Its light-tight properties support optical sensor isolation, while its mechanical durability suits vacuum chamber linings, hydrogen storage interfaces, and fatigue testing under cyclic loads. The alloy’s corrosion resistance and thermal stability make it suitable for laboratory surface treatment studies, ion beam setups, and thin-film sputtering. Commonly used in aerospace and nuclear research, it serves as a structural barrier or mounting substrate in controlled environments where consistent material behavior is essential.
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Material Properties for Alloys

Mechanical Properties
Element Value
Elongation at break( % ) >10
Modulus of elasticity( GPa ) 106-114
Izod impact strength( J m⁻¹ ) 20
Tensile strength( MPa ) 895
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 168
Temperature coefficient( K⁻¹ ) 0.0004
Thermal Properties
Element Value
Melting point( C ) 1600-1650
Thermal conductivity( W m⁻¹ K⁻¹ ) 5.8@23
Thermal conductivity( W m⁻¹ K⁻¹ ) 5.8@23C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8@20-100
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8.0@20-100C
Physical Properties
Element Value
Density( gcm⁻³ ) 4.42

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