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[[File:Softening of PtIr5 after annealing.jpg|right|thumb|Softening of PtIr5 after annealing for 1 hr after different degrees of cold working]]
Fig. 2.35: Strain hardening of PtNi8 by cold working
[[File:Strain hardening of PtNi8 by cold working.jpg|right|thumb|Strain hardening of PtNi8 by cold working]]
Fig. 2.36: Softening of PtNi8 after annealing for 1 hr after 80% cold working