A 40 wt% Ni-60 wt% Cu alloy (Animated Figure 9.3a) is slowly cooled from 1400°C (2550°F) to 1150°C (2100°F).

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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X Incorrect.
A 40 wt% Ni-60 wt% Cu alloy (Animated Figure 9.3a) is slowly cooled from 1400°C (2550°F) to 1150°C (2100°F).
(a) At what temperature does the first solid phase form?
i
1320
°C
(b) What is the composition of this solid phase?
i
62
%wt Ni
(c) At what temperature does the last of the liquid solidify?
i
1270
°C
(d) What is the composition of this last remaining liquid phase?
i
38
%wt Ni
Transcribed Image Text:X Incorrect. A 40 wt% Ni-60 wt% Cu alloy (Animated Figure 9.3a) is slowly cooled from 1400°C (2550°F) to 1150°C (2100°F). (a) At what temperature does the first solid phase form? i 1320 °C (b) What is the composition of this solid phase? i 62 %wt Ni (c) At what temperature does the last of the liquid solidify? i 1270 °C (d) What is the composition of this last remaining liquid phase? i 38 %wt Ni
Composition (at% Ni)
20
40
60
80
100
1600
2800
1500
Liquid
1453 °C
2600
1400
Liquidus line
Solidus line
2400
1300
OB
1200
2200
1100
A
2000
1000.
20
40
60
80
100
(Ču)
Composition (wt% Ni)
(Ni)
Temperature (°C)
Temperature (°F)
Transcribed Image Text:Composition (at% Ni) 20 40 60 80 100 1600 2800 1500 Liquid 1453 °C 2600 1400 Liquidus line Solidus line 2400 1300 OB 1200 2200 1100 A 2000 1000. 20 40 60 80 100 (Ču) Composition (wt% Ni) (Ni) Temperature (°C) Temperature (°F)
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