A 1-m long steel bar(E = 200 GPa) of 10x10mm dimension fixed at one end and the other end having a gap of 0.5 mm from the fixed wall is heated by 90 °C from initially 30 °C. What is the normal stress, in MPa, induced in the system due to change in temperature? Use a= 12x10-6 per °C. %3D

A 1-m long steel bar(E = 200 GPa) of 10x10mm dimension fixed at one end and the other end having a gap of 0.5 mm from the fixed wall is heated by 90 °C from initially 30 °C. What is the normal stress, in MPa, induced in the system due to change in temperature? Use a= 12x10-6 per °C. %3D

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter9: Time, Temperature, And Mechanical Properties

Section: Chapter Questions

Problem 9.3P

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Question

A 1-m long steel bar(E = 200 GPa) of 10x10mm dimension fixed at both ends is heated by 90 ᴼC from initially 30 ᴼC. What is the normal stress, in MPa, induced in the system due to change in temperature? Use α= 12x10-6 per ᴼC.

A 1-m long steel bar(E = 200 GPa) of 10x10mm dimension fixed at one end and
the other end having a gap of 0.5 mm from the fixed wall is heated by 90 °C from
initially 30 °C. What is the normal stress, in MPa, induced in the system due to
change in temperature? Use a= 12x10-6 per °C.

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