A 20 wt% Pb - 80 wt% Mg alloy is slowly cooled from 700°C to 400 °C.
A 20 wt% Pb - 80 wt% Mg alloy is slowly cooled from 700°C to 400 °C.
(a) At what temperature does the first solid phase form?
(b) What is the composition of this solid phase?
(c) At what temperature does the liquid solidify?
(d) What is the composition of this last remaining liquid phase?
Homework Answers
a) around 640 degree celcius
b) 5 wt % Pb - 95 wt % Mg alloy
c) around 560 degree celcius
d) 50 wt % Pb - 50 wt % Mg alloy
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A 20 wt% Pb - 80 wt% Mg alloy is slowly cooled from 700°C to 400 °C.
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