Hera 648 – Advanced PdAgCuPtAu Alloy: High Strength, Low Thermal Expansion
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 11.8 g/cm³ |
Dimension
| Property | Value |
|---|---|
Dimensions | Dimensions available upon request. |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 108 GPa | |
Elongation | 23.0 °C | 15 % | min. |
Hardness, Vickers | 23.0 °C | 190 - 240 [-] | |
Shear modulus | 23.0 °C | 40 GPa | |
Tensile strength | 23.0 °C | 700 - 850 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.46E-5 1/K | RT-100 °C |
Melting point | 1130 - 1180 °C | ||
Thermal conductivity | 23.0 °C | 28 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 23.0 °C | 3.38E-7 - 3.59E-7 Ω·m |
Specific Electrical conductivity | 4.8 - 5.1 % IACS | |
Temperature coefficient of resistance | 23.0 °C | 2.8E-4 1/K |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Sliding contacts, Slip ring brushes, Potentiometers, probe pins | |
| Corrosion properties | Corrosion resistant | |
| Other | Superb sliding contact alloy, stable contact resistance, wear resistant, Oxidation resistant up to 300 °C, Ductile | |
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