Effect of Elevated Temperature Irradiation on the Strength and ...

Table 2. Strain Rate Sensitivity <strong>of</strong> Irradiated and Unirradiated Hastelloy N
Deformation Strain Rate,
Stress, psi Ductility, i
<strong>Temperature</strong>, °C per min Yield Strength True Tensile Strength True Uniform Strain True Fracture Strain
Irrad. Unirrad. Irrad. Unirrad. Irrad. Unirrad. Irrad. Unirrad.
X 103 X 103 X 103 X 103
500 0.2 32.7 34.9 136.1 145.6 41.2 42.3 46.6 53.4
500 0.02 35.8 35.8 129.5 144.0 35.3 42.4 51.4
500 0.002 34.4 37.4 122.5 131.5 32.3 33.3 36.5 34.2
600 0.2 32.9 34.1 112.7 134.4 31.2 38.9 36.5 48.7
600 0.02 32.5 36.2 82.4 109.0 17.7 26.7 21.9 31.6
600 0.002 34.2 34.6 63.1 106.0 10.3 29.9 13.2 29.7
700 0.2 30.5 30.9 66.8 106.5 13.5 32.2 19.2 39.2
700 0.02 31.0 34.1 53.4 102.8 8.0 30.8 11.6 42.1
700 0.002 32.1 33.7 47.0 80.5 5.6 20.0 7.8 29.0
800 0.2 29.3 29.3 45.7 79.8 6.7 11.6
800 0.02 28.5 30.9 38.4 59.9 3.7 12.2 6.9 86.6
800 0.002 29.3 32.5 32.2 42.9 1.8 6.5 4.9 93.7
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