Given below is Load-Gage Length data for a type 304 stainless steel that underwent a tensile test. Original specimen diameter is 12.7 mm. 1
|
Load [kN] |
Gage Length [mm] |
|
0.000 |
50.8000 |
|
4.890 |
50.8102 |
|
9.779 |
50.8203 |
|
14.670 |
50.8305 |
|
19.560 |
50.8406 |
|
24.450 |
50.8508 |
|
27.620 |
50.8610 |
|
29.390 |
50.8711 |
|
32.680 |
50.9016 |
|
33.950 |
50.9270 |
|
34.580 |
50.9524 |
|
35.220 |
50.9778 |
|
35.720 |
51.0032 |
|
40.540 |
51.816 |
|
48.390 |
53.340 |
|
59.030 |
55.880 |
|
65.870 |
58.420 |
|
69.420 |
60.960 |
|
69.670 (maximum) |
61.468 |
|
68.150 |
63.500 |
|
60.810 (fracture) |
66.040 (after fracture) |
The engineering stress is defined as 
,where P is
the load [N] on the sample with an original cross-sectional area A [
]
and the engineering strain is defined as 
, where 
is the change in length and 
is the initial length.
Compute the stress and strain values for each of the measurements obtained in the tensile test. Data available for download. 2
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