RELEASE OF FISSION PRODUCTS FROM IRRADIATED ALUMINIDE FUEL AT HIGH TEMPERATURES.

被引：0
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作者：
Tamai, Tadaharu
Hayashi, Masatoshi
Misihima, Kaichiro
Sagane, Toshimitsu
Yoshida, Hiroyuki
Kanda, Keiji
Shibata, Toshikazu
Posey, John C.
Rimshaw, Stan J.
机构：
来源：
Annual Reports of the Research Reactor Institute, Kyoto University | 1982年 / 15卷
关键词：
NUCLEAR REACTORS - Fission Products - URANIUM COMPOUNDS;
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摘要：
Irradiated uranium aluminide fuel plates of 40% U-235 enrichement were heated for the determination of fission products released under flowing helium gas at temperatures up to and higher than the melting point of fuel cladding material. The release of fission products from the fuel plate at temperature below 500 degree C was found negligible. The first rapid release of fission products was observed with the occurrence of blistering at 561 plus or minus 1 degree C on the plates. The next release at 585 degree C might be caused by melting on the cladding material of 6061 Al alloy. The last release of fission product gases occurred at the eutectic temperature of 640 degree C of U-Al//x. The release material was mostly xenon, but small amounts of iodine and cesium were observed.
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页码：15 / 16
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