An application requires the support of an axial load of 100 kips with a round rod without exceeding the yieldstrength of the material. Assume the current cost per pound for round stock is given in the table below for severalmaterials that are being considered. Material properties are available in Tables A-5, A-20, A-21, andA-24. Select one of the materials for each of the following additional design goals.(a) Minimize diameter.(b) Minimize weight.(c) Minimize cost.(d) Minimize axial deflection.Material1020 HR1020 CD1040 Q&T @800°F4140 Q&T @800°FWrought Al 2024 T3Titanium alloy (Ti-6Al-4V)Cost/lbf$0.27$0.30$0.35$0.80$1.10$7.00Page 90

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Answered: (a) Minimize diameter. (b) Minimize…

Engineering

Mechanical Engineering

(a) Minimize diameter. (b) Minimize weight. (c) Minimize cost. (d) Minimize axial deflection.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.

Question

An application requires the support of an axial load of 100 kips with a round rod without exceeding the yield
strength of the material. Assume the current cost per pound for round stock is given in the table below for several
materials that are being considered. Material properties are available in Tables A-5, A-20, A-21, and
A-24. Select one of the materials for each of the following additional design goals.
(a) Minimize diameter.
(b) Minimize weight.
(c) Minimize cost.
(d) Minimize axial deflection.
Material
1020 HR
1020 CD
1040 Q&T @800°F
4140 Q&T @800°F
Wrought Al 2024 T3
Titanium alloy (Ti-6Al-4V)
Cost/lbf
$0.27
$0.30
$0.35
$0.80
$1.10
$7.00
Page 90

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