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DTRA’s advancements in nuclear and radiological detection
A new, more complex nuclear age has begun. Echoing the tensions of the Cold War amid rapidly evolving nuclear and radiological threats, preparedness in the modern age is a contest of scientific innovation. The Research and Development Directorate (RD) at the Defense Threat Reduction Agency (DTRA) is charged with winning this contest.
W. K. Anderson, D. N. Dunning
Nuclear Science and Engineering | Volume 4 | Number 3 | September 1958 | Pages 458-466
Symposium on Reactor Control Materials | doi.org/10.13182/NSE58-A25542
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Europium oxide and gadolinium oxide-stainless steel cermets in ranges of 5 to 30 wt % rare earth oxide have been irradiated in the MTR. Free beam bend samples of 5, 20, 25, and 30 wt % Eu2O3-stainless steel cermets and 14 wt % Gd2O3-stainless steel cermets were irradiated in the MTR for times ranging from 2 to 5 cycles. Little damage was noted in the irradiated Gd2O3-stain-less steel cermets after irradiation. Damage to the irradiated Eu2O3-stainless steel cermets appeared to be a function of radiation time and concentrations. Metallographic samples of unirradiated and irradiated samples representing each test are included.
