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Tantalum/Tungsten Alloy Foil (Ta97.5/W 2.5)

Formula: Ta 97.5/W 2.5
Form: Foil/Film/Sheet
Material: Tantalum/Tungsten Alloy
Commodity: Alloys
Temper: As Rolled
Tantalum/Tungsten Alloy Foil (Ta97.5/W 2.5) is a foil product offered within Goodfellow's range of tantalum and tungsten metal alloy foils. This alloy combines the corrosion resistance and high melting point of tantalum with the high hardness and strength of tungsten. Potential applications include high-temperature furnace components, erosion shields, and sputtering targets. The tantalum imparts ductility while the tungsten contributes wear resistance. With its optimized balance of properties, this foil is suitable for demanding applications in corrosive and high-heat environments.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Foil/Film/Sheet
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( % ) <20
Modulus of elasticity( GPa ) 186
Hardness - Vickers( kgf mm⁻² ) 115-160
Tensile strength( MPa ) 240-310
Thermal Properties
Element Value
Melting point( C ) 3014
Specific heat( J K⁻¹ kg⁻¹ ) 141@23°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 55@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 6.48@20-500°C
Physical Properties
Element Value
Density( gcm⁻³ ) 16.66

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