9-56 Sketch a cooling curve for a pure metal and label the different regions carefully. 50 30 46 25 Tensile strength 20 38 15 10 G Elongation 30 5 26 0.005 0.010 0.015 Secondary dendrite arm spacing (em) Figure 9-7 The effect of the secondary dendrite arm spacing on the properties of an aluminum casting alloy. (Repeated for Problem 9-55.) Tensile strength (ksi) % Elongation Figure 9-7 The effect of the secondary dendrite arm spacing on the properties of an aluminum casting alloy. (Repeated for Problem 9-55.) Normal cooling D-E: Isothermal of liquid solidification Timeting Time B-C: Undercooling is necessary for homogeneous nucleation to occur C-D: Recalescence Temperature ("C)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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9-56 Sketch a cooling curve for a pure metal
and label the different regions carefully.
50
30
46
25
Tensile
strength
20
38
15
10
G Elongation
30
5
26
0.005
0.010
0.015
Secondary dendrite arm spacing (em)
Figure 9-7 The effect of the secondary dendrite
arm spacing on the properties of an aluminum
casting alloy. (Repeated for Problem 9-55.)
Tensile strength (ksi)
% Elongation
Transcribed Image Text:9-56 Sketch a cooling curve for a pure metal and label the different regions carefully. 50 30 46 25 Tensile strength 20 38 15 10 G Elongation 30 5 26 0.005 0.010 0.015 Secondary dendrite arm spacing (em) Figure 9-7 The effect of the secondary dendrite arm spacing on the properties of an aluminum casting alloy. (Repeated for Problem 9-55.) Tensile strength (ksi) % Elongation
Figure 9-7 The effect of the secondary dendrite
arm spacing on the properties of an aluminum
casting alloy. (Repeated for Problem 9-55.)
Normal cooling D-E: Isothermal
of liquid
solidification
Timeting
Time
B-C: Undercooling is
necessary for homogeneous
nucleation to occur
C-D: Recalescence
Temperature ("C)
Transcribed Image Text:Figure 9-7 The effect of the secondary dendrite arm spacing on the properties of an aluminum casting alloy. (Repeated for Problem 9-55.) Normal cooling D-E: Isothermal of liquid solidification Timeting Time B-C: Undercooling is necessary for homogeneous nucleation to occur C-D: Recalescence Temperature ("C)
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