Changes

Fig. 2.5: Phase diagram of gold-copper

[[File:Phase diagram of gold-copper.jpg|right|thumb|Phase diagram of gold-copper]]

Fig. 2.6: Phase diagram of gold-nickel

[[File:Phase diagram of gold-nickel.jpg|right|thumb|Phase diagram of gold-nickel]]

Fig. 2.7: Phase diagram of gold-cobalt

[[File:Phase diagram of gold-cobalt.jpg|right|thumb|Phase diagram of gold-cobalt]]

Fig. 2.8: Strain hardening of Au by cold working

Fig. 2.9: Softening of Au after annealing for 0.5 hrs after 80% cold working

[[File:Softening of Au after annealing for 0.5 hrs.jpg|right|thumb|Softening of Au after annealing for 0.5 hrs after 80% cold working]]

Fig. 2.10: Strain hardening of AuPt10 by cold working

Fig. 2.11: Strain hardening of AuAg20 by cold working