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Fusion Science and Technology
Latest News
DNFSB’s Summers ends board tenure, extending agency’s loss of quorum
Lee
Summers
The Defense Nuclear Facilities Safety Board, the independent agency responsible for ensuring that Department of Energy facilities are protective of public health and safety, announced that the board’s acting chairman, Thomas Summers, has concluded his service with the agency, having completed his second term as a board member on October 18.
Summers’ departure leaves Patricia Lee, who joined the DNFSB after being confirmed by the Senate in July 2024, as the board’s only remaining member and acting chair. Lee’s DNFSB board term ends in October 2027.
Wigen Nazarov, Philip G. McGivern
Fusion Science and Technology | Volume 38 | Number 1 | July 2000 | Pages 110-114
Technical Paper | Thirteenth Target Fabrication Specialists’ Meeting | doi.org/10.13182/FST00-A36125
Articles are hosted by Taylor and Francis Online.
Acrylate foams have been used extensively in the fabrication of target components for laser experiments. Acrylates are efficient systems especially for photoinitiation processes, however, at very low-density range these foams are not very strong and tend to be fragile. A method for the production of foams produced by free radical co-polymerization of some selected pairs of monomers is described in this paper. Foams produced by the co-polymerization of some pairs of monomers have increased the strength significantly at lower density range. Specifically, the use of 1,1’-(Methylenedi-4,1-phenylene) bis maleimide in the co-polymerization has proved very successful. This study also describes the effect of solvents on foam densities.