AuNi20

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Description

The gold-nickel material AuNi20, also Au80Ni20 or 80Au20Ni, is used as contact material as well as for tensioning straps. It is ductile, corrosion-resistant, abrasion-resistant and hardenable. AuNi20 is machinable.

Related Standards

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

15.6 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

103 GPa

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Poisson's ratio

23.0 °C

0.42 [-]

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Typical for Gold

Shear modulus

20.0 °C

39 GPa

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Tensile strength

20.0 °C

680 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

300.0 °C

1.53E-5 1/K

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Melting point

1064 °C

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Typical for Gold

Specific heat capacity

23.0 °C

126 - 138 J/(kg·K)

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Typical for Gold

Thermal conductivity

23.0 °C

292 - 316 W/(m·K)

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Typical for Gold

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

3.26E-7 - 3.42E-7 Ω·m

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Chemical properties

PropertyValue

Gold

80 %

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Nickel

20 %

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