Exploratory experiments comparing damage effects of high-energy neutrons and fission-reactor neutrons in metals
- 12 January 1978
- report
- Published by Office of Scientific and Technical Information (OSTI)
Abstract
Until the Rotating-Target Neutron Source II (RTNS II) and the Li(D,n) stripping source for high fluxes of high-energy neutrons are in operation, work related to DMFE's fusion-reactor materials and radiation-effects program is being conducted with lower-flux prototypes, the RTNS I at LLL and a Be(D,n) stripping source at the University of California, Davis. This paper describes these sources and presents results of some exploratory experiments in which 0.5-mm-thick tensile specimens of copper, vanadium, niobium, and Nb-1 wt% Zr alloy were irradiated by high-energy neutrons from these sources and by lower-energy neutrons from the Livermore Pool-Type Reactor (LPTR). After being irradiated, the specimens were tensile-tested, and the increases in their 0.2%-offset yield strengths were related to the neutron fluences and energies to which they had been subjected.Keywords
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