A tension test was performed on a steel specimen having an original diameter of 0.503 in. and gauge length of 2.00 in. The data is listed in the table. Plot the stress-strain diagram and determine approximately the modulus of elasticity, the yield stress, the ultimate stress, and the rupture stress. Use a scale of 1 in. = 20 ksi and 1 in. = 0.05 in./in. Redraw the elastic region, using the same stress scale but a strain scale of 1 in.= 0.001 in./in.
Load (kip) | Elongation (in.) |
0 | 0 |
1.50 | 0.0005 |
4.60 | 0.0015 |
8.00 | 0.0025 |
11.00 | 0.0035 |
11.80 | 0.0050 |
11.80 | 0.0080 |
12.00 | 0.0200 |
16.60 | 0.0400 |
20.00 | 0.1000 |
21.50 | 0.2800 |
19.50 | 0.4000 |
18.50 | 0.4600 |
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