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Proposed FY 2027 DOE, NRC budgets ask for less
The White House is requesting $1.5 billion for the Department of Energy’s Office of Nuclear Energy in the fiscal year 2027 budget proposal, about 9 percent less than the previous year.
The request from the Trump administration is one of several associated with nuclear energy in the proposal, which was released Friday. Congress still must review and vote on the budget.
Kimberly A. DeFriend, Brent Espinoza, Brian Patterson
Fusion Science and Technology | Volume 51 | Number 4 | May 2007 | Pages 693-700
Technical Paper | doi.org/10.13182/FST07-A1466
Articles are hosted by Taylor and Francis Online.
The sol-gel methods applied in the synthesis of aerogels lead to the formation of a disordered silica network. The resulting aerogel has poor structural definition that leads to poor mechanical properties. The work presented details our efforts to create a new hierarchical mesoporous silica aerogel. These meso-porous aerogels were formed utilizing a templating technique using polystyrene beads with varying diameters, 50 nm to 2 m, dispersed during sol-gel polymerization. The resulting gel was super-critically dried creating a silica aerogel templated with polystyrene beads. The polystyrene beads were then thermal oxidized creating meso-porous silica aerogel monolith. The surface area, pore volume, pore diameter, and mechanical properties of the templated aerogels were determined. Interestingly the mechanical properties of the meso-porous aerogel were significantly improved. These improvements appear to be directly related to the polystyrene bead diameter and loading.