7. Carbon steel is tested in uniaxial tension, as shown in the inset schematic, to produce the following stress-strain diagram. 600 500 MPa 600 9400 400E 300 200 200 100 0.005 0.05 0.10 0.15 Strain Figure 1: Stress vS. strain for plain carbon steel. Note: the inset shows the initial portion of the data, magnified for clarity. a) From the Figure 1, determine the following material properties: (i) elastic modulus, E, (ii) ultimate tensile strength, UTS, (ii) yield stress, o, b) Label the following regions or points on the figure: (1) fracture point, (ii) plastic region, (ii) elastic region. Stress (MPa)

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7. Carbon steel is tested in uniaxial tension, as shown in the inset schematic, to produce the
following stress-strain diagram.
600
500
MPa
600
g 400
400
300
200
200
100
0.005
0.05
0.10
0.15
Strain E
Figure 1: Stress vs. strain for plain carbon steel. Note: the inset shows the initial portion
of the data, magnified for clarity.
a) From the Figure 1, determine the following material properties:
(i) elastic modulus, E,
(ii) ultimate tensile strength, UTS,
(iii) yield stress, oy.
b) Label the following regions or points on the figure:
(i) fracture point,
(ii) plastic region,
(iii) elastic region.
8.
You wish to design a new bone screw used to hold fractured bone segments together or to hold
implants in place. Describe what type of material you would use and what considerations you
need to make.
27°F Cloudy
Stress (MPa) a
Transcribed Image Text:7. Carbon steel is tested in uniaxial tension, as shown in the inset schematic, to produce the following stress-strain diagram. 600 500 MPa 600 g 400 400 300 200 200 100 0.005 0.05 0.10 0.15 Strain E Figure 1: Stress vs. strain for plain carbon steel. Note: the inset shows the initial portion of the data, magnified for clarity. a) From the Figure 1, determine the following material properties: (i) elastic modulus, E, (ii) ultimate tensile strength, UTS, (iii) yield stress, oy. b) Label the following regions or points on the figure: (i) fracture point, (ii) plastic region, (iii) elastic region. 8. You wish to design a new bone screw used to hold fractured bone segments together or to hold implants in place. Describe what type of material you would use and what considerations you need to make. 27°F Cloudy Stress (MPa) a
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