The compound bar, composed of the three segments shown, is initially stress-free. Compute the stress in each material if the temperature drops 25°C. Assume that the walls do not yield and use the following data:

The compound bar, composed of the three segments shown, is initially stress-free. Compute the stress in each material if the temperature drops 25°C. Assume that the walls do not yield and use the following data:

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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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

The compound bar, composed of the three segments shown, is initially stress-free. Compute the stress in each
material if the temperature drops 25°C. Assume that the walls do not yield and use the following data:

A (mm?)
a (PC)
E (GPa)
Bronze segment
2000
19.0 x 10-6
83
Aluminum segment
1400
23.0 x 10-6
70
Steel segment
800
11.7 x 10-6
200
-500 mm-400 mm-
800 mm
Aluminum
Steel
Bronze

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