Temperature {* d 20 Composition (al % Agl Liquidus Liquid 1000 800 7.9 Solidus ★+4 780°C (Tg) 600 Solvus a + B 400 0 (Cu) 20 40 60 Composition (wt % Ag> 40 60 80 100 2000 1800 1600 Temperature (F) B+L 0 71.9 912 1400 (C) (CAB) P 1200 1000 H BOO 80 100 (AB) Figure 3.6 The copper-silver phase diagram. (Adapted from Metals Handbook: Metallography, Structures and Phase Diagrams. Vol 8, 8th edition, ASM Handbook Committee, T. Lyman, Editor, American Society for Metals, 1973, p. 253.)