lead tin alloy of composition 30 wt Sn 70 wt Pb is slowly

Last updated: 6/21/2023

lead tin alloy of composition 30 wt Sn 70 wt Pb is slowly heated from a temperature of 150 00 F a At what temperature does the first liquid phase form b What is the composition of this liquid phase c At what temperature does complete melting of the alloy occur d What is the composition of the last solid remaining prior to complete melting Composition at Sn 60 Temperature C 0 300 200 100 327 C Pb a 20 18 3 20 40 L 183 C 40 a B Liquid 61 9 60 Composition wt Sn 80 80 B L 232 C 97 8 100 B 600 500 400 300 200 100 100 Sn Temperature F