2- A tensile test specimen of stainless steel alloy having a diameter of 0.495 in. and a gage length of 2 in. was tested to fracture. Stress and strain data obtained during the test are shown in Figure. Determine; a) Modulus of elasticity, b) The proportional limit, c) The ultimate strength, d) The yield strength (0.20% offset), e) The fracture stress, f) The true fracture stress if the final diameter of the specimen at the location of the fracture was 0.350 in. 160 upper scale 120 80 lower scale 40 0.0 0.0 0.020 0.040 0.060 0.080 0.100 0.120 0.002 0.004 0.006 0.008 0.010 0.0112 Strain (in./in.) Stress (ksi)
2- A tensile test specimen of stainless steel alloy having a diameter of 0.495 in. and a gage length of 2 in. was tested to fracture. Stress and strain data obtained during the test are shown in Figure. Determine; a) Modulus of elasticity, b) The proportional limit, c) The ultimate strength, d) The yield strength (0.20% offset), e) The fracture stress, f) The true fracture stress if the final diameter of the specimen at the location of the fracture was 0.350 in. 160 upper scale 120 80 lower scale 40 0.0 0.0 0.020 0.040 0.060 0.080 0.100 0.120 0.002 0.004 0.006 0.008 0.010 0.0112 Strain (in./in.) Stress (ksi)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:2- A tensile test specimen of stainless steel alloy having a diameter of 0.495 in. and a gage
length of 2 in. was tested to fracture. Stress and strain data obtained during the test are
shown in Figure. Determine;
a) Modulus of elasticity, b) The proportional limit, c) The ultimate strength, d) The yield
strength (0.20% offset), e) The fracture stress, f) The true fracture stress if the final diameter
of the specimen at the location of the fracture was 0.350 in.
160
upper scale
120
80
lower scale
40
0.0
0.0
0.020 0.040 0.060 0.080 0.100 0.120
0.002 0.004 0.006 0.008 0.010 0.012
Strain (in./in.)
Stress (ksi)
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