PtIr5 deformed condition

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Description

The platinum-iridium material PtIr5, also Pt95Ir5 or 95Pt5Ir, is used as contact material.

Related Standards

This material data has been provided by WIAM.

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

21.5 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

190 GPa

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Elongation

20.0 °C

2 %

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Hardness, Vickers

20.0 °C

154 [-]

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Poisson's ratio

23.0 °C

0.39 [-]

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Typical for Platinum

Shear modulus

23.0 °C

62 GPa

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Typical for Platinum

Tensile strength

20.0 °C

470 MPa

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Yield strength Rp0.2

20.0 °C

450 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

8.8E-6 - 9.1E-6 1/K

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Typical for Platinum

Melting point

1769 °C

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Typical for Platinum

Specific heat capacity

23.0 °C

136 J/(kg·K)

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Typical for Platinum

Thermal conductivity

20.0 °C

42 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

5.60E+6 S/m

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Electrical resistivity

20.0 °C

1.79E-7 Ω·m

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Chemical properties

PropertyValue

Iridium

5 %

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Platinum

95 %

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