15.0 KV EM Mag 200x TProbe 2 tprobe 100μm 09 (b) Temperature, T (°C) 800 700 at % Cu 5 10 15 Melting point of pure Al 660°C 20 25 Liquid, L Eutectic poirt 30 600 (AI)+L 548°C 33% L+ CuAl2 500 400 300 200 Al-rich solid (Al) 0 10 10 ΑΙ 20 (Al) + CuAl2₂ 30 40 wt % Cu 50 50 35 40 45 Compound 8. CuAl2 60 70 70
15.0 KV EM Mag 200x TProbe 2 tprobe 100μm 09 (b) Temperature, T (°C) 800 700 at % Cu 5 10 15 Melting point of pure Al 660°C 20 25 Liquid, L Eutectic poirt 30 600 (AI)+L 548°C 33% L+ CuAl2 500 400 300 200 Al-rich solid (Al) 0 10 10 ΑΙ 20 (Al) + CuAl2₂ 30 40 wt % Cu 50 50 35 40 45 Compound 8. CuAl2 60 70 70
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Assumptions:
• Density of Al Cu phase is 4.34 g/cm3
• Density of alpha phase is 2.8 g/cm3
• Assume composition of alpha is 5 wt% Cu
• Assume composition of AlCu phase is 53 wt% Cu
To-do:
• What is the bulk composition of the unknown sample?
• Use the lever rule method and the help of the phase diagram to determine this.

Transcribed Image Text:15.0 KV EM Mag 200x
TProbe 2
tprobe
100μm
09

Transcribed Image Text:(b)
Temperature, T (°C)
800
700
at % Cu
5
10
15
Melting point
of pure Al
660°C
20
25
Liquid, L
Eutectic
poirt
30
600
(AI)+L
548°C
33%
L+ CuAl2
500
400
300
200
Al-rich
solid (Al)
0
10
10
ΑΙ
20
(Al) + CuAl2₂
30
40
wt % Cu
50
50
35 40 45
Compound
8. CuAl2
60
70
70
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