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    • 9. 发明公开
    • Nuclear fuel rod with failure alleviating means
    • Kernbrennstab mit Mitteln zurVersagenseinschränkung。
    • EP0621605A1
    • 1994-10-26
    • EP94850062.4
    • 1994-04-22
    • STUDSVIK NUCLEAR AB
    • Mogard, Hilding
    • G21C3/18G21C9/02
    • G21C9/02G21C3/18G21Y2002/104G21Y2002/207G21Y2004/30Y02E30/40
    • A nuclear fuel element for use in power-producing, water-cooled, nuclear reactors, comprising a circular metal cladding tube (1) made of a zirconium base alloy containing cylindrical fuel pellets (3) defining an energy-generating section of said element, and an inert filler gas, further comprising a thermal neutron-absorbing body (16) in a solid state positioned within said cladding tube (1) and outside of said element section but accessible to water entering the interior of said cladding tube (1) through a cladding defect and capable of dissolving, evaporizing, or disintegrating upon contact with said water, thereby migrating to other parts of the interior of the element; and
         power producing nuclear reactors containing such fuel elements.
    • 一种用于发电水冷式核反应堆的核燃料元件,包括由含有限定所述元件的能量产生部分的圆柱形燃料丸(3)的锆基合金制成的圆形金属包层管(1) 和惰性填充气体,还包括位于所述包层管(1)内的固体的热中子吸收体(16)和所述元件部分的外部,但是可通过进入所述包层管(1)内部的水通过 包层缺陷,并且能够在与所述水接触时溶解,蒸发或分解,从而迁移到元件内部的其它部分; 以及含有这种燃料元件的发电核反应堆。