3) At room temperature (20 °C) a 0.8 mm gap exists between the ends of the rods shown. Ata later time when the temperature has reached 120 °C, determine (a) the normal stress inthe aluminum rod, (b) the change in length of the aluminum rodBronze:Aluminum:Steel:Area: 1000 mm2Area: 2000 mm2Area: 1500 mm2a = 18.4 x 10-6E = 103 GPaa = 23.6x 10-6E = 75 GPaa = 17.3 x 10-6E = 190 GPa%3D%3D0.8 mm100 mm150 mm300 mmBronzeAlSteel

Stress produces in the material due to changes in temperature is known as thermal stress. Condition…

Answered: E= 103 GPa E = 75 GPa E= 190 GPa 0.8 mm…

Engineering

Mechanical Engineering

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

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.2.26P: -26 A rectangular plate of dimensions 125 mm × 75 mm is subjected to tensile stress sy= 67 kPa and...

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

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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