Published: Jan 1969
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Neutron irradiation of annealed Zircaloy-2 in a 280 C pressurized water environment has been found to cause a considerable loss in fracture toughness. Generally, however, Zircaloy-2 is utilized in PWR systems in a cold worked condition. This paper supplements previous work by presenting the results of an experimental study of the fracture characteristics of cold-worked Zircaloy-2. The results are obtained from a parametric analysis of the temperature- and orientation-dependence of Kic as influenced by cold work, hot pressurized water, and neutron irradiation.
Zircaloy-2, radiation effects, fracture toughness, nuclear reactors, cracking (fracturing), anisotropy, cold working, annealing
Rowe, R. G.
University of Illinois, Urbana, Illinois
Hoagland, R. G.
Research Engineer, Mechanical Metallurgy, Battelle Northwest, Richland, Washington