In the figure, a solid copper rod with an expansion coefficient α copper = 165.10-7 1/ºC is 20 mm in diameter. It is placed in a steel pipe with an outer diameter of 30 mm with an inner diameter of 2 mm larger than this bar and an expansion coefficient αsteel = 125.10-7 1/ºC, and is combined with a rigid plate from the top so that they move together.
In the figure, a solid copper rod with an expansion coefficient α copper = 165.10-7 1/ºC is 20 mm in diameter. It is placed in a steel pipe with an outer diameter of 30 mm with an inner diameter of 2 mm larger than this bar and an expansion coefficient αsteel = 125.10-7 1/ºC, and is combined with a rigid plate from the top so that they move together.
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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In the figure, a solid copper rod with an expansion coefficient α copper = 165.10-7 1/ºC is 20 mm in diameter. It is placed in a steel pipe with an outer diameter of 30 mm with an inner diameter of 2 mm larger than this bar and an expansion coefficient αsteel = 125.10-7 1/ºC, and is combined with a rigid plate from the top so that they move together. Find the stresses that will occur in steel and copper when the system is heated with a temperature difference of Δt = 80 ºC.
(Esteel=200 GPa, Ecopper=100 GPa)
Transcribed Image Text:Copper
steel outer
diameter 30
mm
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