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A copper-nickel alloy of composition 60 wt% Ni-40 wt% Cu is slowly heated from 1200°C (2192°F), what will be the composition of the last solid phase remaining just before the alloy completely melts?

A 90 wt% Pb–10 wt% Sn alloy is heated to 250°C (480°F); at this temperature it is entirely an

What is the weight fraction of the liquid phase for a 55 wt% Ag – 45 wt% Cu alloy at 900°C?

For a Cu-Ni alloy with a composition of 63.8 wt% Ni and 36.2 wt% Cu at 1250°C, what is the composition of

For a lead (Pb) – tin (Sn) alloy with a composition of 25 wt% Sn and 75 wt% Pb, select the phase(s) present and their composition(s) at 200°C from the following choices.

The eutectic composition for the tin-lead system is approximately:

What does the lever rule calculate in a phase diagram?

Using the lead (Pb) – tin (Sn) phase diagram determine which of the following phase(s)/phase combination(s) will present for an alloy of composition 23 wt%Sn – 77 wt%Pb at 250oC?

What is the liquidus temperature for the alloy with 10 wt% Sn and 90 wt% Pb?

What does a phase diagram show?