(E, = 200 GPa, a, =11.7×10°C) have the dimensions shown at a temperature of 20°C. The steel rod is cooled until it fits freely into the link. The temperature of the whole assembly is then raised to 45°C. Determine (a) the final stress in the steel rod, (b) the final length of the steel rod.

(E, = 200 GPa, a, =11.7×10°C) have the dimensions shown at a temperature of 20°C. The steel rod is cooled until it fits freely into the link. The temperature of the whole assembly is then raised to 45°C. Determine (a) the final stress in the steel rod, (b) the final length of the steel rod.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.6.7P: A wine of length L = 4 ft and diameter d = 0.125 in. is stretched by tensile forces P = 600 lb. The...

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Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.

Question

50 mm
PROBLEM 2.55
Brass
37.5 mm
A brass link (E, = 105 GPa, a, = 20.9x10/°C) and a steel rod
(E, = 200 GPa, a =11.7x10/°C) have the dimensions shown
at a temperature of 20°C. The steel rod is cooled until it fits
freely into the link. The temperature of the whole assembly is
then raised to 45°C. Determine (a) the final stress in the steel rod,
(b) the final length of the steel rod.
37.5 mm
0.12 mm -250 mm
30-mm diameter
Steel
A
Section A-A
0, =-36.8 MPa
L, = 250.147 mm
%3D

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