Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 12 Oct 2017 My Price 8.00

alloy steel bar

A high-yield-strength alloy steel bar with a rectangular cross section that has a width of 37.5 mm, a thickness of 6.25 mm, and a gauge length of 203 mm was tested in tension to rupture, according to ASTM E-8 method. The load and deformation data were as shown in Table P3.27. Using a spreadsheet program, obtain the following:

a. A plot of the stress–strain relationship. Label the axes and show units.

b. A plot of the linear portion of the stress–strain relationship. Determine modulus of elasticity using the best-fit approach.

c. Proportional limit.

d. Yield stress.

e. Ultimate strength.

f. If the specimen is loaded to 155 kN only and then unloaded, what is the permanent deformation?

g. In designing a typical structure made of this material, would you expect the stress applied in (f) safe? Why?

Answers

Maurice Tutor
(5)
Status NEW Posted 12 Oct 2017 12:10 PM My Price 8.00

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