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[[File:Phase diagram of palladium copper2.jpg|right|thumb|Phase diagram of palladium-copper]]
Fig. 2.31: Strain hardening of Pt by cold working
[[File:Strain hardening of Pt by cold working.jpg|right|thumb|Strain hardening of Pt by cold working]]
Fig. 2.32: Softening of Pt after annealing for 0.5 hrs after 80% cold working