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Changes
→5.1.6.2.1 Copper-Chromium Alloys
Copper-chromium materials are especially suitable for use as electrodes for resistance welding. During brazing the loss in hardness is limited if low melting brazing alloys and reasonably short heating times are used.
Fig. 5.32:Copper corner of the copper-chromiumphase diagram for up to 0.8 wt% chromium
Fig. 5.33:Softening of precipitation-hardenedand subsequently coldworked CuCr1 after4hrs annealing
Fig. 5.34 a:Electrical conductivity ofprecipitation hardenedCuCr 0.6 as a function ofannealing conditions
Fig. 5.34 b:Hardness ofprecipitation hardenedCuCr 0.6 as a functionof annealing conditions
Fig. 5.35:Electrical conductivityand hardness of precipitationhardened CuCr 0.6 aftercold working
'''Table 5.19: Physical Properties of Other Precipitation Hardening Copper Alloys ''' (2 Teile!) Table 5.20: Mechanical Properties of Other Precipitation Hardening Copper Alloys
'''Table 5.20: Mechanical Properties of Other Precipitation Hardening Copper Alloys'''
=====5.1.6.2.2 Copper-Zirconium Alloys=====
