What is the approximate ductility expressed as a percentage

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Reference no: EM13216524

A cylindrical specimen of stainless steel having a diameter of 12.8 mm and a gauge length of 50.8 mm is pulled in tension. Use the load-elongation characteristics tabulated below to complete problems (a) through (f).
Load (N) Length (mm)
0 50.800
12700 50.825
25400 50.851
38100 50.876
50800 50.902
76200 50.952
89100 51.003
92700 51.054
102500 51.181
107800 51.308
119400 51.562
128300 51.816
149700 52.832
159000 53.848
160400 54.356
159500 54.864
151500 55.880
124700 56.642

FRACTURE

a) Plot the data as engineering stress vs. engineering strain.
b) Compute the Young's modulus
c) Determine the yield strength at a strain offset of 0.002 (0.2%)
d) Determine the tensile strength of this alloy
e) What is the approximate ductility expressed as a percentage of elongation?
f) Estimate the energy that must have been supplied to cause the specimen to reach failure.

Reference no: EM13216524

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