AgCu20Pd15: High-Performance Silver-Copper-Palladium Vacuum Brazing Alloy
The AgCu20Pd15 silver-based vacuum braze alloy, also called Ag65Cu20Pd15 or 65Ag20Cu15Pd, is used for hydraulic pipes, X-ray tubes, radio electron tubes and transmitter tubes as well as metallized ceramic / metal joining technology in tube construction and vacuum apparatus (soldering range 900 to 950 °C).
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 10.4 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 140 GPa | |
Elongation | 20.0 °C | 5 - 9 % | |
Poisson's ratio | 23.0 °C | 0.37 [-] | Typical for Silver |
Shear modulus | 23.0 °C | 30 GPa | Typical for Silver |
Tensile strength | 20.0 °C | 550 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.9E-5 1/K | Typical for Silver |
Melting point | 962 °C | Typical for Silver | |
Specific heat capacity | 23.0 °C | 234 - 251 J/(kg·K) | Typical for Silver |
Thermal conductivity | 20.0 °C | 100 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 20.0 °C | 1.50E+7 S/m |
Electrical resistivity | 20.0 °C | 6.7E-8 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Copper | 20 % |
Palladium | 15 % |
Silver | 65 % |
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- AgCu20Pd15: High-Performance Silver-Copper-Palladium Vacuum Brazing Alloy