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steel tension test specimen has a diameter of 6.00 mm and a gage length of 25 mm. The following data are of id test: Load, KN 0 2.94 Deformation, mm 0 0.01 Tensile Test Result Load, KN 13.22 13.25 Deformation, mm 0.10 0.14 Load, KN 20.72 20.61

steel tension test specimen has a diameter of 6.00 mm and a gage length of 25 mm. The following data are of id test: Load, KN 0 2.94 Deformation, mm 0 0.01 Tensile Test Result Load, KN 13.22 13.25 Deformation, mm 0.10 0.14 Load, KN 20.72 20.61

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Explain in your own words how are these properties determined.

A steel tension test specimen has a diameter of 6.00 mm and a gage length of 25 mm. The following data are obtained from the said test: Tensile Test Result Load, kN Deformation, mm Load, kN Deformation, mm Load, kN Deformation, mm 13.22 0.10 20.72 3.36 2.94 0.01 13.25 0.14 20.61 3.83 5.58 0.02 13.22 0.17 20.27 3.94 8.52 0.03 13.22 0.29 19.97 4.00 11.16 0.04 16.15 0.61 19.68 4.06 12.63 0.05 18.50 1.04 19.09 4.12 13.02 0.06 20.27 1.80 18.72 fracture 13.16 0.08 20.56 2.26 13.22 0.08 20.67 2.78 Determine the material properties of the specimen and explain how are these parameters obtained.
Transcribed Image Text:A steel tension test specimen has a diameter of 6.00 mm and a gage length of 25 mm. The following data are obtained from the said test: Tensile Test Result Load, kN Deformation, mm Load, kN Deformation, mm Load, kN Deformation, mm 13.22 0.10 20.72 3.36 2.94 0.01 13.25 0.14 20.61 3.83 5.58 0.02 13.22 0.17 20.27 3.94 8.52 0.03 13.22 0.29 19.97 4.00 11.16 0.04 16.15 0.61 19.68 4.06 12.63 0.05 18.50 1.04 19.09 4.12 13.02 0.06 20.27 1.80 18.72 fracture 13.16 0.08 20.56 2.26 13.22 0.08 20.67 2.78 Determine the material properties of the specimen and explain how are these parameters obtained.
A Stress-Strain Curves Back File Force Deformation Stress Strain Stress (MPa) Zoom x 2 (kN) (mm) (MPa) (mm/mm) 1. 0.000 0.00000 750. 2. 2.94 103.997 0.00000 700. 3 5.58 0.01 197.382 400.00E-06 4 8.52 0.02 301.380 800.00E-06 650. 5. 11.16 0.03 394.765 0.001200 600. 6 13.02 0.04 460.559 0.001600 7 13.16 0.05 465.511 0.002000 550. 8 13.22 0.08 467.634 0.003200 500. 9 13.22 0.08 467.634 0.003200 450. 10 13.25 0.10 468.695 0.004000 11 13.22 0.14 467.634 0.005600 400. 12 13.22 0.17 467.634 0.006800 350. Force Units Length Units Stress Units Strain Units 300. kN mm MPa mm/mm 250. Specimen Gage Length Plotting 200. Number of 150. Points 25.00 Plot 100. 25 Area 50. 28.27 Set 0. proportional limit at point Area Units V 0.2% Offset Method -50. -5. 0. 5. mm2 10. 15. 20. 25. 30. 35. 40. 45. 50. 55. 60. 65. 70. 75. 80. 85. Strain ( x0.001 mm/mm) 7 V 0.05% Offset Method Summary Ultimate Stress The ultimate stress (also called the ultimate strength) of the material is the largest stress on the stress-strain curve. From the test data given, the ultimate stress for this material is 732.933 MPa. ultimate Stress Proportional Limit Elastic Modulus 0.20% Yield Stress 0.05% Yield Stress Percent Elongation 732.933 MPa 465.511 MPa 279,737.666 MPa 468.262 MPa Proportional Limit The stress-strain curve for most materials has an initial region in which the material stress is linearly related to the material strain. The proportional limit marks the uppermost stress on this linear portion of the stress-strain curve. The proportional limit is a stress. For stresses above the proportional limit, the stress-strain relationship is non-linear. The proportional limit is determined by inspection of the stress-strain curve. Using data point 7, the proportional limit for this material is 465.803 MPa 0.0000 percent
Transcribed Image Text:A Stress-Strain Curves Back File Force Deformation Stress Strain Stress (MPa) Zoom x 2 (kN) (mm) (MPa) (mm/mm) 1. 0.000 0.00000 750. 2. 2.94 103.997 0.00000 700. 3 5.58 0.01 197.382 400.00E-06 4 8.52 0.02 301.380 800.00E-06 650. 5. 11.16 0.03 394.765 0.001200 600. 6 13.02 0.04 460.559 0.001600 7 13.16 0.05 465.511 0.002000 550. 8 13.22 0.08 467.634 0.003200 500. 9 13.22 0.08 467.634 0.003200 450. 10 13.25 0.10 468.695 0.004000 11 13.22 0.14 467.634 0.005600 400. 12 13.22 0.17 467.634 0.006800 350. Force Units Length Units Stress Units Strain Units 300. kN mm MPa mm/mm 250. Specimen Gage Length Plotting 200. Number of 150. Points 25.00 Plot 100. 25 Area 50. 28.27 Set 0. proportional limit at point Area Units V 0.2% Offset Method -50. -5. 0. 5. mm2 10. 15. 20. 25. 30. 35. 40. 45. 50. 55. 60. 65. 70. 75. 80. 85. Strain ( x0.001 mm/mm) 7 V 0.05% Offset Method Summary Ultimate Stress The ultimate stress (also called the ultimate strength) of the material is the largest stress on the stress-strain curve. From the test data given, the ultimate stress for this material is 732.933 MPa. ultimate Stress Proportional Limit Elastic Modulus 0.20% Yield Stress 0.05% Yield Stress Percent Elongation 732.933 MPa 465.511 MPa 279,737.666 MPa 468.262 MPa Proportional Limit The stress-strain curve for most materials has an initial region in which the material stress is linearly related to the material strain. The proportional limit marks the uppermost stress on this linear portion of the stress-strain curve. The proportional limit is a stress. For stresses above the proportional limit, the stress-strain relationship is non-linear. The proportional limit is determined by inspection of the stress-strain curve. Using data point 7, the proportional limit for this material is 465.803 MPa 0.0000 percent
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