Influence of nickel and beryllium content on swelling behavior of copper irradiated with fast neutrons
- Pacific Northwest National Lab., Richland, WA (United States)
In the 1970`s, the effects of nickel content on the evolution of dislocation microstructures and the formation and growth of voids in Cu-Ni alloys were studied using 1 MeV electrons in a high voltage electron microscope. The swelling rate was found to decrease rapidly with increasing nickel content. The decrease in the swelling rate was associated with a decreasing void growth rate with increasing nickel content at irradiation temperatures up to 450{degrees}C. At 500{degrees}C, both void size and swelling rate were found to peak at 1 and 2% Ni, respectively, and then to decrease rapidly with increasing nickel content. However, recent work has demonstrated that the swelling behavior of Cu-5%Ni irradiated with fission neutrons is very similar for that of pure copper. The present experiments were designed to investigate this apparent discrepancy.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- OSTI ID:
- 414879
- Report Number(s):
- DOE/ER--0313/20; ON: DE97000700
- Country of Publication:
- United States
- Language:
- English
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