4. A tensile bar has an initial 2.000-in. gauge length and a circular cross-sectional area of 0.2 in.?. The loads and corresponding gauge lengths recorded in a tensile test are show below. After fracture the bar diameter was 0.370 in. Load Gauge length (in.) (Ib) 2.0000 2.0017 6,000 12,000 15,000 18,000 21,000 24,000 2.5,000 22,000 2.0034 2.0042 2.0088 2.043 2.30 2.55 B.00 a) Plot the data as engineering stress versus engineering strain. b) Compute the modulus of elasticity. c) Determine the yield strength at a strain offset of 0.002.
4. A tensile bar has an initial 2.000-in. gauge length and a circular cross-sectional area of 0.2 in.?. The loads and corresponding gauge lengths recorded in a tensile test are show below. After fracture the bar diameter was 0.370 in. Load Gauge length (in.) (Ib) 2.0000 2.0017 6,000 12,000 15,000 18,000 21,000 24,000 2.5,000 22,000 2.0034 2.0042 2.0088 2.043 2.30 2.55 B.00 a) Plot the data as engineering stress versus engineering strain. b) Compute the modulus of elasticity. c) Determine the yield strength at a strain offset of 0.002.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:4. A tensile bar has an initial 2.000-in. gauge length and a circular cross-sectional
area of 0.2 in.?. The loads and corresponding gauge lengths recorded in a tensile
test are show below. After fracture the bar diameter was 0.370 in.
Gauge length
(in.)
Load
(Ib)
2.0000
2.0017
6,000
12,000
15,000
18,000
21,000
24,000
25,000
22,000
2.0034
2.0042
2.0088
2.043
2.30
2.55
В.00
a)
Plot the data as engineering stress versus engineering strain.
b)
Compute the modulus of elasticity.
c)
Determine the yield strength at a strain offset of 0.002.
d)
Determine the tensile strength of this alloy.
e)
What is the approximate ductility, in percent elongation?
f)
Compute the modulus of resilience.
g)
Compute from the data and plot true stress versus true strain diagram.
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