G - Physics
21
C
359/67
G21C 3/06 (2006.01) G21C 3/17 (2006.01)
Patent
CA 1167984
ABSTRACT A tubular sheath for particulate nuclear fuel has micro porous retaining elements formed by winding metal strip about a central pin and pushing the resulting spiral into the sheath ends. The metal strip has transverse grooves formed by a photo-etching process, which form axial gas passages narrow enough to prevent passage of fuel particles. Suitable materials for the strip include molybdenum and tungsten. A stainless steel strip can be used if a molybdenum or tungsten disc is placed between it and the fuel.
390908
Andrews Glenn
Nicolet Michel
Stratton Richard W.
Gesellschaft Zur Foerderung Der Industrieorientierten Forschung
Marks & Clerk
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