PROBLEM NO. 4 In Fig. 4, determine the normal stress and change in length of the aluminum rod if the temperature was raised by 129 C. The 0.5-mm gap exists at 28 C (0.59 mm 399 mm A Aluminum A = 2888 mm² E = 75 GPa α = 23 x 10%/°C 258 mm B Stainless Steel A = 899 mm² E = 190 GPa a = 17.3 x 10°/°C

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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PROBLEM NO. 4
In Fig. 4, determine the normal stress and change in
length of the aluminum rod if the temperature was
raised by 129 C. The 0.5-mm gap exists at 28 C
(0.59 mm
399 mm
A
Aluminum
A = 2888 mm²
E = 75 GPa
α = 23 x 10°/°C
258 mm
B
Stainless Steel
A =
899 mm²
E =
190 GPa
α = 17.3 x 10/°C
Transcribed Image Text:PROBLEM NO. 4 In Fig. 4, determine the normal stress and change in length of the aluminum rod if the temperature was raised by 129 C. The 0.5-mm gap exists at 28 C (0.59 mm 399 mm A Aluminum A = 2888 mm² E = 75 GPa α = 23 x 10°/°C 258 mm B Stainless Steel A = 899 mm² E = 190 GPa α = 17.3 x 10/°C
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