Two metals, A and B, have melting points of 400 °C and 700 °C respectively. Cooling curves we plotted for several binary alloys of A and B and the following data was obtained: % B in alloy First arrest point °C 10 30 50 70 90 360 250 400 530 650 Second arrest point °C 250 250 250 400 Third arrest point °C 160 On squared paper draw accurately the equilibrium diagram for the binary alloy of A and B, and ful label this. For an alloy containing 60% B calculate:

Elements Of Electromagnetics
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ISBN:9780190698614
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Two metals, A and B, have melting points of 400 °C and 700 °C respectively. Cooling curves were
plotted for several binary alloys of A and B and the following data was obtained:
% B in alloy
First arrest point °C
Second arrest point °C
10
30
50
70
90
360
250
400
530
650
250
250
250
400
Third arrest point °C
160
On squared paper draw accurately the equilibrium diagram for the binary alloy of A and B, and fully
label this. For an alloy containing 60% B calculate:
1) The temperature at which solidification begins;
2) The ratio of phases presents at 300 °C (assuming equilibrium to have been attained).
Transcribed Image Text:Two metals, A and B, have melting points of 400 °C and 700 °C respectively. Cooling curves were plotted for several binary alloys of A and B and the following data was obtained: % B in alloy First arrest point °C Second arrest point °C 10 30 50 70 90 360 250 400 530 650 250 250 250 400 Third arrest point °C 160 On squared paper draw accurately the equilibrium diagram for the binary alloy of A and B, and fully label this. For an alloy containing 60% B calculate: 1) The temperature at which solidification begins; 2) The ratio of phases presents at 300 °C (assuming equilibrium to have been attained).
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