The range in Ag concentration (wt%) which will give some eutectic in the structure at equilibrium is 1200 A -tiquidus 1000 tiquid -Solidus ☺ 800 779°C (Tg)- B + L 8.0 71.9 91.2 600 Solvus 400 200 20...

Extracted text: The range in Ag concentration (wt%) which will give some eutectic in the structure at equilibrium is 1200 A -tiquidus 1000 tiquid -Solidus ☺ 800 779°C (Tg)- B + L 8.0 71.9 91.2 600 Solvus 400 200 20 40 60 80 100 (Cu) Composition (wt% Ag) (Ag) from 91.2 to 100 wt% Ag 8 wt% Ag from 8 to 91.2 wt% Ag O 91.2 wt% Ag from 8 to 71.9 wt% Ag from 71.9 to 91.2 wt% Ag from 0 to 8 wt% Ag O 71.9 wt% Ag Temperature (°C)


Extracted text: Assuming equilibrium and knowing that a is white and B is black, the microstructure shown below that is most likely for an alloy consisting of 50 wt% tin and 50 wt% lead is A) B) C) D) E) 400 300 Liquidus Solidus Liquidus L+B a+L Solidus 200 a 19 97.5B 183° 61.9 Solvus Solvus- 100 a+ß Pb 20 40 60 80 Sn Weight percent tin Figure 11-6 The lead-tin equilibrium phase diagram. Structure E Structure D Structure C Structure A Structure B Temperature (°C)