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AbstractAbstract
[en] The completely different radiation environment in laser fusion facilities compared to that anticipated in magnetic fusion devices, or presently found in current fission reactors, will open up new areas of solid-state research. The pulsed nature of the damage, the unique spectrum of high energy neutrons and the addition of high fluxes of charged particles and X-rays is shown to combine to produce an environment never before faced by materials scientists. This article illustrates these unique features by analyzing a pellet spectra that might be typical of a 100 MJ yield from complex pellet design. The thermal, displacement rate, transmutation rate, and stress response of various materials to this spectra is given. It is shown that the synergistic effects of the high temperature and high charged particle flux can cause enhanced sputtering. The role of gases in protecting the first walls is also discussed and it is shown that roughly 5 to 10 torr-meters of neon gas can effectively reduce the thermal impulses and radiation damage rates in the first walls
Primary Subject
Source
Jun 1978; 14 p; 3. meeting on the technology of controlled thermonuclear fusion; Santa Fe, NM, USA; 9 - 11 May 1978; CONF-780508--76; Available from NTIS., PC A02/MF A01
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Report
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Conference
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