A sample of cortical bone was placed under uniaxial tension in a mechanical testing frame and...
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A sample of cortical bone was placed under uniaxial tension in a mechanical testing frame and its load and deformation were recorded. The sample has an assumed hollow- cylinder cross-sectional area with an outer diameter of 24 mm and an inner diameter of 17 mm as measured by digital calipers. The sample has an initial length of 200 mm. a) Fill out the table above with the stress and strain experienced by the sample during loading. Indicate the units for Stress in your table. b) Plot the stress/strain curve in either Excel or MatLab. Appropriately label your axes. On your plot, you must include and label the following: (1) linear trendline through the linear portion of the stress-strain curve (it must go through the origin), (2) equation of the linear trendline, (3) 0.2% strain offset line with its equation c) Determine the values for the following quantities: (1) Young's modulus, (2) yield strength, (3) ultimate tensile strength. (4) fracture strength, and (5) strain to failure. Deformation [mm] Load [kN] Strain [mm/mm) 0.0 8.2 10.9 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 23.2 28.3 37.6 43.0 41.6 45.4 41.7 42.3 32.3 Stress [??] A sample of cortical bone was placed under uniaxial tension in a mechanical testing frame and its load and deformation were recorded. The sample has an assumed hollow- cylinder cross-sectional area with an outer diameter of 24 mm and an inner diameter of 17 mm as measured by digital calipers. The sample has an initial length of 200 mm. a) Fill out the table above with the stress and strain experienced by the sample during loading. Indicate the units for Stress in your table. b) Plot the stress/strain curve in either Excel or MatLab. Appropriately label your axes. On your plot, you must include and label the following: (1) linear trendline through the linear portion of the stress-strain curve (it must go through the origin), (2) equation of the linear trendline, (3) 0.2% strain offset line with its equation c) Determine the values for the following quantities: (1) Young's modulus, (2) yield strength, (3) ultimate tensile strength. (4) fracture strength, and (5) strain to failure. Deformation [mm] Load [kN] Strain [mm/mm) 0.0 8.2 10.9 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 23.2 28.3 37.6 43.0 41.6 45.4 41.7 42.3 32.3 Stress [??]
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a Stress and Strain Table Deformation mm Load kN Strain mmmm Stress MPa 00 00 0000 0 05 82 0002 Calc... View the full answer
Related Book For
Numerical Methods For Engineers
ISBN: 9780071244299
5th Edition
Authors: Steven C. Chapra, Raymond P. Canale
Posted Date:
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