an application requires the support of an axial load of 100 kips with a round ro

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 the round stock is given in the table below for several materials that are being considered.select one of the material for each of the following additional design goals.
a) minimize diameter.
b)minimize weight.
c)minimize cost.
d) minimize axial deflection.
table :
1020HR $0.27 cost/ibf
1020CD $0,30 cost/ibf
1040 Q&T @800 F $0.35 cost/ibf
4140 Q&T @800 F $ 0.80 cost/ibf
Wrought AL 2024 T3 $1.10 cost/ibf
Titanium alloy (Ti-6AL-4V) $7.00 cost/ibf

Explanation / Answer

http://www.chegg.com/homework-help/application-requires-support-axial-load-100-kips-round-rod-e-chapter-2-problem-20p-solution-9780073529288-exc

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