At room temperature (20 °C) a 0.8 mm gap exists between the ends of the rods shown. At a later time when the temperature has reached 120 °C, determine (a) the normal stress in the aluminum rod, (b) the change in length of the aluminum rod
At room temperature (20 °C) a 0.8 mm gap exists between the ends of the rods shown. At a later time when the temperature has reached 120 °C, determine (a) the normal stress in the aluminum rod, (b) 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 0.8 mm gap exists between the ends of the rods shown. At a later time when the temperature has reached 120 °C, determine (a) the normal stress in the aluminum rod, (b) the change in length of the aluminum rod
Transcribed Image Text:Bronze:
Aluminum:
Steel:
Area: 1000 mm²
a = 18.4 x 10-6
E = 103 GPa
Area: 2000 mm²
a = 23.6x 106
E = 75 GPa
Area: 1500 mm2
a = 17.3x 106
E= 190 GPa
0.8 mm
150 mm
100 mm
300 mm
Bronze
Al
Steel
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