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→5.2.2 Nickel Alloys
The strength values of NiCu30Fe are significantly higher than those of the copper rich CuNi alloys ''(Figs. 5.47 and 5.48)''. The good spring properties and thermal stability of NiCu30Fe make it a suitable material for the use as thermally stressed contact springs.
Fig. 5.47:Strain hardening of NiCu30Fe by cold working[[File:Strain hardening of NiCu30Fe by cold working.jpg|right|thumb|Strain hardeningof NiCu30Fe by cold working]]
Fig. 5.48:Softening of NiCu30Feafter annealingfor 0.5 hrs and after 80%cold working
'''Table 5.21: Physical Properties of Nickel and Nickel Alloys (2 Teile!) Table 5.22: Mechanical Properties of Nickel and Nickel Alloys ''' (2 Teile!)
'''Table 5.22: Mechanical Properties of Nickel and Nickel Alloys''' (2 Teile!)
===5.2.3 Nickel-Beryllium Alloys===
