Data taken from a stress-strain test for a ceramic are given in the table. The curve is linear between the origin and the first point. Plot the diagram, and determine approximately the modulus of toughness. The rupture stress is σr = 53.4 ksi.
σ (ksi) | ϵ (in./in.) |
0 | 0 |
33.2 | 0.0006 |
45.5 | 0.0010 |
49.4 | 0.0014 |
51.5 | 0.0018 |
53.4 | 0.0022 |
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