E= 103 GPa E = 75 GPa E= 190 GPa 0.8 mm 150 mm 100 mm 300 mm Bronze Al Steel

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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3) 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
Bronze:
Aluminum:
Steel:
Area: 1000 mm2
Area: 2000 mm2
Area: 1500 mm2
a = 18.4 x 10-6
E = 103 GPa
a = 23.6x 10-6
E = 75 GPa
a = 17.3 x 10-6
E = 190 GPa
%3D
%3D
0.8 mm
100 mm
150 mm
300 mm
Bronze
Al
Steel
Transcribed Image Text:3) 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 Bronze: Aluminum: Steel: Area: 1000 mm2 Area: 2000 mm2 Area: 1500 mm2 a = 18.4 x 10-6 E = 103 GPa a = 23.6x 10-6 E = 75 GPa a = 17.3 x 10-6 E = 190 GPa %3D %3D 0.8 mm 100 mm 150 mm 300 mm Bronze Al Steel
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