AUTOMOTIVE TECHNOLOGY -W/MINDTAP ACCESS
7th Edition
ISBN: 9780357096789
Author: ERJAVEC
Publisher: CENGAGE L
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Chapter 3, Problem 7SA
Why are gases and liquids considered fluids?
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the following table gives weight gain time data for the oxidation of some metal at an elevated temperature
W(mg/cm2). Time (min)
4.66 20
11.7 50
41.1 175
a) determin whether the oxidation kinetics obey a linear, parabolic, or logarithmic rate expression.
b) Now compute W after a time of 1000 min
A cylindrical specimen of aluminum is pulled in tension. Use the stress v. strain plot below
for this specimen of Al to answer parts (a) - (f). Hint: Each strain increment is 0.004.
Be sure to include your engineering problem solving method per the class rubric.
400
350
300
250
Stress
(MPa) 200
150
100
50
Aluminum (Stress v. Strain)
0
0
0.02
0.04
0.06
0.08
Strain
0.1
0.12
0.14
0.16
a. Compute the modulus of elasticity.
b. Determine the yield strength at a strain offset of 0.002.
c. Determine the tensile strength of this metal.
d. Compute the ductility in percent elongation.
e. Compute the modulus of resilience.
f. Determine the elastic strain recovery for an unloaded stress of 340 MPa.
Consider a single crystal of silver oriented such that a tensile stress is applied along a [112] direction. If slip occurs on a (011) plane and in a [111] direction and is initiated at an applied tensile stress of 15.9 MPa, compute the critical resolved shear stress.
Chapter 3 Solutions
AUTOMOTIVE TECHNOLOGY -W/MINDTAP ACCESS
Ch. 3 - Describe Newtons first law of motion and give an...Ch. 3 - In what four states does matter exist? Cite...Ch. 3 - Explain Newtons second law of motion and give an...Ch. 3 - Describe five different forms of energy.Ch. 3 - Describe four different types of energy...Ch. 3 - Explain why a rotating, tilted wheel moves in the...Ch. 3 - Why are gases and liquids considered fluids?Ch. 3 - Describe how out-of-balance forces can affect the...Ch. 3 - Describe the effect of pressure on an enclosed...Ch. 3 - Explain why elastic mounts are used to connect the...
Ch. 3 - Name three types of simple machines.Ch. 3 - The nucleus of an atom contains andCh. 3 - Prob. 2FITBCh. 3 - When one object is moved over another object, the...Ch. 3 - Weight is the measurement of the earths on an...Ch. 3 - Torque is a force that does work with a action.Ch. 3 - Vacuum is defined as the absence ofCh. 3 - Which of the following is the correct formula used...Ch. 3 - While discussing different types of energy:...Ch. 3 - While discussing friction in matter: Technician A...Ch. 3 - While discussing mass and weight: Technician A...Ch. 3 - When applying the principles of work and force,...Ch. 3 - All these statements about energy and energy...Ch. 3 - Which of the following is not a true statement...
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