Images are for guidance only and might not represent the final product.
Formula: Au 82/Ni 18
Form: Foil/Film/Sheet
Material: Gold/Nickel
Commodity: Precious Metals
Temper: As Rolled

Gold/Nickel Alloy Foil (Au82/Ni18)

Gold/Nickel Alloy Foil (Au82/Ni18) combines the corrosion resistance, electrical conductivity, and malleability of gold with the enhanced hardness, mechanical stability, and diffusion resistance provided by nickel. This alloy exhibits excellent surface stability, resisting oxidation and maintaining its composition even under elevated temperatures. It is widely used in electronics, aerospace engineering, and precision instrumentation, particularly for applications where thermal and chemical stability are critical. Specific uses include low-emissivity coatings for thermal management, contact materials in high-reliability electrical connectors, and bonding layers in microelectronic packaging. Its foil form allows precise integration into multilayer assemblies and micro-fabricated devices, providing both mechanical support and stable electrical performance. In research, Au–Ni alloy foils are essential for studying surface segregation phenomena, electronic structure modifications via alloying, and durability in catalytic or high-temperature environments. This alloy's combination of functional stability and process compatibility underscores its role as a high-performance material in both industry and advanced materials science.
each

We are collecting your products, please wait!...

Shipping restrictions and charges
may apply for some hazardous materials.

Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%

Material Properties for Precious Metals

Mechanical Properties
Element Value
Elongation at break( % ) 13
Modulus of elasticity( GPa ) 112
Tensile strength( MPa ) 616
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 15.5
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 955
Thermal conductivity( W m⁻¹ K⁻¹ ) 49@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 14@20-700°C
Physical Properties
Element Value
Density( gcm⁻³ ) 15.8

Can't find what you're looking for? For customized options

Other Customers Purchased