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→5.1.5.2 Copper-Nickel-Tin Alloys
Copper-Nickel- multi component alloys with 9 wt% Ni and 2 wt% Sn are used mainly as connector materials because of their suitable mechanical properties, their excellent relaxation behavior, and their high corrosion resistance. Other advantages include their high temperature stability and the good solderability even after longer storage. They are also used as base materials for clad profiles and tapes.
Fig. 5.21: Phase diagram of copper-nickel for the range of 0 – 50 wt% nickel[[File:Phase diagram of copper nickel.jpg|right|thumb|Phase diagram of copper-nickel for the range of 0 – 50 wt% nickel]]
Fig. 5.22: Electrical conductivityof copper-nickel alloys as a functionof nickel content
'''Table 5.15: Physical Properties of Selected Copper-Nickel Alloys (2 Teile!)'''
Fig. 5.2523:Softening Strain hardening of CuNi25 after 1 hrannealing after 50% cold workingcopper-nickel alloys as a function of nickel content
Fig. 5.2624:Strain hardeningof CuNi9Sn2CuNi25 by cold working(Wieland)
Fig. 5.25: Softening of CuNi25 after 1 hr annealing after 50% cold working Fig. 5.26: Strain hardening of CuNi9Sn2 by cold working (Wieland) Fig. 5.27:Softening of CuNi9Sn2after 1 hr annealing after 60%cold working (Wieland)
==References==
[[Contact Carrier Materials#References|References]]