Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
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Question
Chapter 4, Problem 4.18QP
(a)
To determine
The percent change in yield strength of aluminum when temperature increases from
(b)
To determine
The percent change in ultimate strength of aluminum when temperature increases from
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1. The tensile strength vs. temperature curves of aluminum are plotted
below. Explain the meaning of these two curves.
400
Ultimate strength
300
Yield strength
200
100
-200 -150 -100
-50
50
100
150
200
250
Temperature, °C
Strength, kPa
The stress-strain curve of an alloy is given below. Calculate the modulus of toughness.
14
12
10
0.002
0.004
0.006
0.008
0.01
0.012
Strain
Stress (MPa)
The stress-strain diagram for a steel alloy having an original
diameter of 0.4 in. and a gage length of 4 in. is shown in the
figure below. (Figure 1)
Part A
Determine the modulus of resilience.
Express your answer to three significant figures.
vec
?
(u, )approx =
in-lb
in
Figure
Submit
Request Answer
o (ksi)
80
70
60
Part B
50
Determine the modulus of toughness.
40
30
Express your answer to three significant figures.
20
10
Vol AEO It vec
?
e (in./in.)
0 0.04 0.08 0.12 0.16 0.20 0.24 0.28
0 0.0005 0.0010.0015 0.002 0.0025 0.0030.0035
in-kip
(4)approx =
in
Chapter 4 Solutions
Materials for Civil and Construction Engineers (4th Edition)
Ch. 4 - Name the two primary factors that make aluminum an...Ch. 4 - Prob. 4.2QPCh. 4 - An aluminum alloy specimen with a radius of 0.28...Ch. 4 - An aluminum alloy bar with a radius of 7 mm was...Ch. 4 - Decode the characteristics of a 6063 T831...Ch. 4 - A round aluminum alloy bar with a 0.6 in. diameter...Ch. 4 - An aluminum alloy bar with a rectangular cross...Ch. 4 - A round aluminum alloy bar with a 0.25-in....Ch. 4 - An aluminum alloy rod has a circular cross section...Ch. 4 - An aluminum alloy cylinder with a diameter of 3...
Ch. 4 - A 3003-H14 aluminum alloy rod with 0.5 in....Ch. 4 - The stressstrain relation of an aluminum alloy bar...Ch. 4 - An aluminum specimen originally 300 mm long is...Ch. 4 - A tension stress of 40 ksi was applied on a 12-in....Ch. 4 - A tension test was performed on an aluminum alloy...Ch. 4 - In Problem 4.15, plot the stressstrain...Ch. 4 - Referring to Figure 4.5, determine approximate...Ch. 4 - Prob. 4.18QPCh. 4 - A tensile stress is applied along the long axis of...Ch. 4 - A cylindrical aluminum alloy rod with a 0.5 in....Ch. 4 - Prob. 4.21QPCh. 4 - Discuss galvanic corrosion of aluminum. How can...
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