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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.
M.Nakamichi, H.Kawamura, T.Teratani
Fusion Science and Technology | Volume 41 | Number 3 | May 2002 | Pages 939-942
Material Interaction and Permeation | Proceedings of the Sixth International Conference on Tritium Science and Technology Tsukuba, Japan November 12-16, 2001 | doi.org/10.13182/FST02-A22723
Articles are hosted by Taylor and Francis Online.
The fabrication technique of Cr2O3-SiO2 coating as a tritium permeation barrier had been developed by chemical densified coating method. However, Cr2C3-SiO2 coating had open pores in the coating. For filling open pores, the densification treatment by CrPO4 was considered. From result of the deuterium permeation test, Permeation Reduction Factor (PRF) of SS316 with Cr2O3-SiO2 including CrPO4 coating reached about 1,000.
