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Changes
→5.1.2 Pure Copper
[[File:Strain hardening of Cu ETP by cold working.jpg|right|thumb|Strain hardening of Cu-ETP by cold working]]
Fig. 5.2: Softening of Cu-ETP after annealing for 3hrs after 25% cold working
[[File:Softening of Cu ETP after annealing.jpg|right|thumb|Softening of Cu-ETP after annealing for 3hrs after 25% cold working]]
Fig. 5.3: Softening of Cu-ETP after annealing for 3hrs after 50% cold working
