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Fusion Science and Technology
Latest News
Securing the advanced reactor fleet
Physical protection accounts for a significant portion of a nuclear power plant’s operational costs. As the U.S. moves toward smaller and safer advanced reactors, similar protection strategies could prove cost prohibitive. For tomorrow’s small modular reactors and microreactors, security costs must remain appropriate to the size of the reactor for economical operation.
B.W. McQuillan, A. Nikroo, D.A. Steinman, F.H. Elsner, D.G. Czechowicz, M.L. Hoppe, M. Sixtus, W.J. Miller
Fusion Science and Technology | Volume 31 | Number 4 | July 1997 | Pages 381-384
Technical Paper | Eleventh Target Fabrication Specialists' Meeting | doi.org/10.13182/FST31-381
Articles are hosted by Taylor and Francis Online.
An improved process for production of ICF Target Mandrels has been developed. Shells made from PAMS (poly-α-methylstyrene) are coated with GDP (glow discharge polymer). The PAMS is then removed by depolymerization and volatilization at 300°C, leaving a GDP mandrel. Compared to past polymer mandrels, this process yields GDP mandrels with significant improvements in wall thickness control, sphericity and concentricity, and the complete absence of vacuoles. The process is capable of making GDP shells with a wide size range (from 300 < o.d. < 2700 µm), and an independently controlled wall thickness (from 1 to 30 µm). The GDP can be doped with a variety of elements.