Question

A tensile test was performed on a steel specimen having an initial length of 40 cm and an initial diameter of 22 mm. The test results are recorded as follows: egin{tabular}{|c|c|c|c|c|c|c|c|c|} hline P (KN) & 4.00 & 6.25 & 9.00 & 9.25 & 10.00 & 11.25 & 13.75 & 13.25 & 12.50 & 10.00 \ hline delta (mm) & 0.08 & 0.13 & 0.18 & 1.13 & 5.00 & 11.00 & 20.00 & 30.00 & 37.50 & 42.50 \ hline end{tabular} Plot the ($P-delta$) diagram then calculate the following: 1. Proportional limit stress, 2. Yield stress, 3. Ultimate stress, 4. Fracture stress, 5. Modulus of elasticity, 6. Elongation percentage, 7. Modulus of resilience, 8. Modulus of toughness.

          A tensile test was performed on a steel specimen having an initial length of 40 cm and an initial diameter of 22 mm. The test results are recorded as follows:

egin{tabular}{|c|c|c|c|c|c|c|c|c|}
hline
P (KN) & 4.00 & 6.25 & 9.00 & 9.25 & 10.00 & 11.25 & 13.75 & 13.25 & 12.50 & 10.00 \
hline
delta (mm) & 0.08 & 0.13 & 0.18 & 1.13 & 5.00 & 11.00 & 20.00 & 30.00 & 37.50 & 42.50 \
hline
end{tabular}

Plot the ($P-delta$) diagram then calculate the following:

1. Proportional limit stress,
2. Yield stress,
3. Ultimate stress,
4. Fracture stress,
5. Modulus of elasticity,
6. Elongation percentage,
7. Modulus of resilience,
8. Modulus of toughness.

A tensile test was performed on a steel specimen having an initial length of 40 cm and an initial diameter of 22 mm. The test results are recorded as follows:

egintabular|c|c|c|c|c|c|c|c|c|
hline
P (KN) 4.00 6.25 9.00 9.25 10.00 11.25 13.75 13.25 12.50 10.00 hline
delta (mm) 0.08 0.13 0.18 1.13 5.00 11.00 20.00 30.00 37.50 42.50 hline
endtabular

Plot the (P-delta) diagram then calculate the following:

1. Proportional limit stress,
2. Yield stress,
3. Ultimate stress,
4. Fracture stress,
5. Modulus of elasticity,
6. Elongation percentage,
7. Modulus of resilience,
8. Modulus of toughness.

Added by Samantha I.

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