Mechanics of Materials
11th Edition
ISBN: 9780137605460
Author: Russell C. Hibbeler
Publisher: Pearson Education (US)
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Chapter 3.7, Problem 28P
The elastic portion of the stress-strain diagram for an aluminum alloy is shown in the figure. The specimen from which it was obtained has an original diameter of 12.7 mm and a gage length of 50.8 mm. If a load of P = 60 kN is applied to the specimen, determine its new diameter and length.
Take v = 0.35.
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The elastic portion of the stress-strain diagram for an aluminum alloy is shown
in the figure. The specimen from which it was obtained has an original diameter of 12.7
mm and a gage length of 50.8 mm. If a load of P=60 kN is applied to the specimen,
determine its new diameter and length. Take v = 0.35.
o (MPa)
490
e (mm/mm)
0.007
Problem 7
The shear stress-strain diagram for an alloy is shown in the
figure. If a bolt having a diameter of 0.25 in. is made of this
material and used in the lap joint, determine the modulus of
elasticity E and the force P required to cause the material to
yield. Take v=0.3.
7 (ksi)
Ty= 50
0.004
y (rad)
The stress-strain diagram for an aluminum alloy that is used for making aircraft parts is shown in Figure. If a specimen of this material is stressed to s = 600 MPa, determine the permanent set that remains in the specimen when the load is released. Also, find the modulus of resilience both before and after the loan application.
Chapter 3 Solutions
Mechanics of Materials
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