Microprobe Measurements to Determine Phase Boundaries and Diffusion Paths in Ternary Phase Diagrams Taking a Cu-Ni-Al System as an Example

  • Günther Rudolph
Part of the Mikrochimica Acta book series (MIKROCHIMICA, volume 10)


The alloy CuNi5A15, with iron and manganese as additives, is a coin material with high resistance to corrosion and tarnish. This material is also distinguished by its golden colour1, and is particularly suitable for coins with a high nominal value.


Phase Boundary Diffusion Couple Diffusion Path Diffusion Zone Ternary Phase Diagram 
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Copyright information

© Springer-Verlag Wien 1983

Authors and Affiliations

  • Günther Rudolph
    • 1
  1. 1.Metall-LaboratoriumMetallgesellschaft AGFrankfurt a. M. 1Federal Republic of Germany

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