Eutectic Proeutectic a=24% 100%Liquid Eutectic o Liquid =76% Eutectic B- Alloy 2 Alloy 1 327 Solidus 300 Liquidus Proeutectic a 51% ●a Liquid Liquid Liquidus =49% 250 a+liquid 200 d B+liquid Solidus 183 B 150 Solvus a+B Eutectic point 100 Proeutectic a Solvus 50H 192 40.0 61.9 975 0 10 20 30 40 50 60 70 100% 80 90 100% Eutectic B Sn Pb Eutectic a Weight percent tinEutectic