Answered: Aluminum Steel L= 0.9 m A = 300 mm? E=…

Aluminum Steel L= 0.9 m A = 300 mm? E= 200 x 10° N/m? a = 11.7 µm/(m-°C) L= 1.2 m A = 1200 mm E= 70 x 10° N/m² a = 23 um/(m°C) в 0.6 m 1.2 m

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter8: Engineering Materials

Section: Chapter Questions

Problem 7ETSQ

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Question

The rigid bar ABC is pinned at B and attached to the two vertical rods. Initially, the bar is horizontal and the vertical rods are stress-free. Determine the stress in the aluminum rod if the temperature of the steel rod is decreased by 50°C. Neglect the weight of bar ABC.

Steel
L= 0.9 m
A = 300 mm?
E = 200 x 10° N/m?
a = 11.7 um/(m-°C)
Aluminum
L= 1.2 m
A = 1200 mm?
E = 70 x 10° N/m²
a = 23 um/(m°C)
B
A
0.6 m
1.2 m

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