A constant deflection test was developed to evaluate the susceptibility of irradiated stainless steel (SS) to irradiation-assisted stress corrosion cracking. The test was shown useful in supplementing constant extension rate tensile or slow strain rate tensile, constant load, and swelling mandrel tests that have been used in the past. Preliminary data showing the susceptibility of commercial-purity type 304 SS (UNS S30400) as a function of stress, strain, and fast neutron fluence (E > 1 MeV) were presented.

Subject
Water, Materials, Yield stress, Boiling water reactors, Recirculation, Laboratory data, Autoclaves, Irradiation assisted stress corrosion cracking, Stress, Constants, Deflection, Yield strength, Conductivity
Keywords:
bent beams, boiling water reactor, constant deflection, dislocation motion, fast neutron fluence, irradiation-assisted stress corrosion cracking, threshold fluence, threshold stress, type 304 stainless steel
NACE International
1993
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