2 Research Reactors Currently Using HEU Fuel | Reducing the …
https://nap.nationalacademies.org/read/21818/chapter/4
WebWeapon-grade HEU (W-HEU) is generally preferred for weapons applications, 6 but all material enriched to 20 percent and above is defined as HEU. This definition of LEU (enrichment below 20 percent but without using the term explicitly) was first introduced by the U.S. Atomic Energy Commission in 1954 ( Brown, 2015 ).
DA: 46 PA: 67 MOZ Rank: 97 Up or Down: Up