Abstract
In designing against premature fracture, the characteristics of materials must be measured and design criteria developed. The reduction in ductility for irradiated stainless steels has been observed, but little work has been conducted on evaluating the effects of notches on these materials. A reduction in notch ductility has been investigated in Charpy-V impact tests of irradiated Type 304 and Type 316 stainless steel; in irradiated Type 304 stainless steel, notch effects were not observed at 232 and 317/sup 0/C, but as the test temperature was increased from 538 to 593/sup 0/C, the material irradiated to a fluence of 3 X 10/sup 22/ n/cm/sup 2/ exhibited a notch weakening. Recently, similar experiments were performed on irradiated 20% cold worked Type 316 stainless steel to determine the effects of irradiation on the fracture behavior of this alloy.
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