AuAg26Ni3 Material Datasheet

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Material Description

Material Number Material Name Standard Status VDA 231-106 classification
AuAg26Ni3 AuAg26Ni3 Valid 4.2 1)
1) Remark: The gold-silver-nickel material AuAg26Ni3, also Au71Ag26Ni3 or 71Au26Ag3Ni, exhibits good corrosion behavior as well as good wear behavior. The alloy is used for sliding contacts (monolithic contact spring material), switching contacts, plug contacts, tapping contacts. It is ductile, corrosion-resistant, oxidation-resistant. AuAg26Ni3 is machinable, roll-cladable, and can be separated from the gas phase conditionally. The alloy has increased resistance to material migration and is relatively hard and abrasion resistant.

Chemical Composition

Ag [%] Au [%] Ni [%]
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Material Compliance

REACh RoHS
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Mechanical Properties

Condition Temperature [°C] Yield Strength (0.2% offset) [MPa] Reduction of Area [%] Hardness HV Hardness HV 10
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Physical Properties

Temperature [°C] Melting Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Shear Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Specific Electrical Resistance [µΩm] Electric Conductivity [MS/m]
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Cross Reference

Material Name
Au71Ag26Ni3
71Au26Ag3Ni

Producer/Supplier/Trade names

Tradename Supplier
AuAg26Ni3 Evonik-Degussa GmbH, Essen

Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Density

Temperature [°C] Density [g/cm³]
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Coefficient thermal expansion

Related Temperature [°C] Temperature [°C] Coefficient thermal expansion [10^-6*K^-1]
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Thermal conductivity

Temperature [°C] Thermal conductivity [W/(m*K)]
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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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Designation

Designation Material number Source
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