5. What does the thickness of an aluminum alloy casting (length = 12 in. and width = 8 in.) have to be, in order to produce a tensile strength of 44 ksi? The mold constant in Chvorinov's rule for aluminum alloys cast in a sand mold is 45 min/in². 50 46 $ Tensile strength (ksi) 38 30 26 I 0 Tensile strength % Elongation T 30 C 20 5 9 0.005 0.010 0.015 Secondary dendrite arm spacing (cm) % Elongation Secondary dendrite arm spacing (cm) 10-2 10-3 10-4 0.1 1 T7s = C₂ (4) TTS Cm A Copper Zinc alloys Aluminum alloys 10 100 1,000 10,000 100,000 Solidification time (s)

Elements Of Electromagnetics
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Engineering material casting help

5. What does the thickness of an aluminum alloy casting (length = 12 in. and width = 8 in.)
have to be, in order to produce a tensile strength of 44 ksi? The mold constant in Chvorinov's rule
for aluminum alloys cast in a sand mold is 45 min/in².
Tensile strength (ksi)
50
46
42
30
26
Tensile
strength
0
% Elongation
130
25
20
5
% Elongation
0
0.005
0.010
0.015
Secondary dendrite arm spacing (cm)
Secondary dendrite
arm spacing (cm)
10-1
10-2
10-3
10-4
0.1
TTS=C
1
n
V
=C_(H)*
A
Copper
Zinc alloys
Aluminum alloys
10 100 1,000 10,000 100,000
Solidification time (s)
Transcribed Image Text:5. What does the thickness of an aluminum alloy casting (length = 12 in. and width = 8 in.) have to be, in order to produce a tensile strength of 44 ksi? The mold constant in Chvorinov's rule for aluminum alloys cast in a sand mold is 45 min/in². Tensile strength (ksi) 50 46 42 30 26 Tensile strength 0 % Elongation 130 25 20 5 % Elongation 0 0.005 0.010 0.015 Secondary dendrite arm spacing (cm) Secondary dendrite arm spacing (cm) 10-1 10-2 10-3 10-4 0.1 TTS=C 1 n V =C_(H)* A Copper Zinc alloys Aluminum alloys 10 100 1,000 10,000 100,000 Solidification time (s)
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