please see the attached figure: Given the following normal stress-strain curves,

Question

please see the attached figure:

Given the following normal stress-strain curves, determine the following below:

a) E for steel (.45% carbon) and cast iron

b) The most ductile material

c) The most brittle material

d) The most brittle steel

e) Elastic limit for .45% carbon rolled steel

f) Yield point of structural steel

g) Yield stress of cast iron at 0.2% offset

h) Yield stress of .60% carbon rolled steel

i) Ultimate strength of .60% carbon rolled steel

j) Stiffest material

k) The most resilient material

l) The toughest material

please see the attached figure: Given the following normal stress-strain curves, determine the following below: a) E for steel (.45% carbon) and cast iron b) The most ductile material c) The most brittle material d) The most brittle steel e) Elastic limit for .45% carbon rolled steel f) Yield point of structural steel g) Yield stress of cast iron at 0.2% offset h) Yield stress of .60% carbon rolled steel i) Ultimate strength of .60% carbon rolled steel j) Stiffest material k) The most resilient material l) The toughest material

Explanation / Answer

a. E is the ratio of stress and strain in elastic limit.

E foe steel is 55/0.002= 27500* 1000psi

For cast iron, E is 0

b. Structural steel

c. Concrete

d.Steel (0.60% carbon)

e. 55* 1000psi, 0.002 in/in

f. 35* 1000psi, 0.002 in/in

g. 23* 1000psi

h. 75*1000 psi

i. 95*1000 psi

j. 0.60% carbon rolled steel

k. 0.60% carbon rolled steel

l. 0.60% carbon rolled steel

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