PdCo40W20 soft annealed (+A)

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Description

The palladium-cobalt-tungsten material PdCo40W20, also Pd40Co40W20 or 40Pd40Co20W, has satisfactory corrosion behavior but very good wear behavior. It is ductile and age-hardenable, as well as machinable. The palladium-cobalt-tungsten alloy is used as a contact material for sliding contacts and potentiometer wire and as a monolithic contact spring material.

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

11.3 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

167 GPa

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Elongation

20.0 °C

40 %

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Hardness, Vickers

20.0 °C

290 [-]

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Poisson's ratio

23.0 °C

0.39 [-]

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Typical for Palladium

Shear modulus

20.0 °C

62 GPa

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Tensile strength

20.0 °C

1100 MPa

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Yield strength Rp0.2

20.0 °C

630 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

300.0 °C

1.26E-5 1/K

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Melting point

1553 °C

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Typical for Palladium

Specific heat capacity

23.0 °C

236 - 248 J/(kg·K)

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Typical for Palladium

Thermal conductivity

23.0 °C

60 - 76 W/(m·K)

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Typical for Palladium

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8.9E-7 Ω·m

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Chemical properties

PropertyValue

Cobalt

40 %

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Palladium

40 %

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Tungsten

20 %

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