At room temperature (20°C), a 0.5-mm gap exists between the ends of the rods shown. The temperature eventually reaches a value of 140°C. Determine the normal stress in the aluminum rod. Determine the change in length of the aluminum rod.
At room temperature (20°C), a 0.5-mm gap exists between the ends of the rods shown. The temperature eventually reaches a value of 140°C. Determine the normal stress in the aluminum rod. Determine the change in length of the aluminum rod.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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At room temperature (20°C), a 0.5-mm gap exists between the ends of the rods shown. The temperature eventually reaches a value of 140°C.
Determine the normal stress in the aluminum rod.
Determine the change in length of the aluminum rod.
Transcribed Image Text:A
-300 mm
Aluminum
A = 2000 mm²
E = 75 GPa
a = 23 x 10-6/°C
0.5 mm
-250 mm
B
Stainless steel
A = 800 mm²
E = 190 GPa
a = 17.3 x 10-6/°C
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