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    Zirconium alloy composition having excellent corrosion resistance for nuclear applications and method of preparing the same
    3.
    发明公开
    Zirconium alloy composition having excellent corrosion resistance for nuclear applications and method of preparing the same 有权
    具有核应用和它们的制备方法优异的耐腐蚀性Zirkoniumlegierungszusammensetzung

    公开(公告)号：EP1930454A1

    公开(公告)日：2008-06-11

    申请号：EP07075310.8

    申请日：2007-04-25

    申请人： Korea Atomic Energy Research Institute ,  Korea Hydro & Nuclear Power Co., Ltd.

    发明人： Jeong, Yong Hwan ,  Choi, Byoung Kwon ,  Baek, Jong Hyuk ,  Lee, Myung Ho ,  Park, Sang Yoon ,  Park, Jeong Yong ,  Kim, Jun Hwan ,  Kim, Hyun Gil

    IPC分类号： C22C16/00 ,  G21C3/07 ,  C22F1/18

    CPC分类号： G21C3/07 ,  C22C16/00 ,  C22F1/186 ,  Y02E30/40

    摘要： The present invention relates to a zirconium alloy composition having excellent corrosion resistance for nuclear applications and a method of preparing the same. The zirconium alloy composition having excellent corrosion resistance for nuclear applications includes 1.3~2.0 wt% of niobium, 0.05~0.18 wt% of iron, 0.008~0.012 wt% of silicon, 0.008~0.012 wt% of carbon, and 0.1~0.16 wt% of oxygen, with the balance being zirconium, or includes 2.8~3.5 wt% of niobium, 0.2~0.7 wt% of at least one of iron and copper, 0.008~0.012 wt% of silicon, 0.008~0.012 wt% of carbon, and 0.1~0.16 wt% of oxygen, with the balance being zirconium. The present invention further relates to a method of preparing the zirconium alloy composition as described above, as well as high burn-up nuclear fuel cladding tubes, nuclear fuel assembly support grids and structural components of nuclear power plants made therefrom. The invention further relates to a method of preparing a zirconium alloy composition as described above, as well as high burn-up nuclear fuel cladding tubes, nuclear fuel assembly support grids and structural components of nuclear power plants made therefrom.

    摘要翻译： 本发明涉及一种具有用于核应用优异的耐腐蚀性及其制备的方法的锆合金组合物。 具有用于核应用优良的耐腐蚀性的锆合金组合物包含铌的1.3〜2.0％（重量），铁为0.05〜0.18重量％，硅的0.008〜0.012重量％，碳为0.008〜0.012重量％，和0.1〜0.16重量％的 氧，余量为锆，或包括铌的2.8〜3.5％（重量），铁和铜中的至少一种为0.2〜0.7重量％，硅的0.008〜0.012重量％，碳为0.008〜0.012重量％，且 的0.1〜0时16重量％的氧，余量为锆。 本发明还涉及制备该锆合金组合物，如上所述，以及高燃耗核燃料包覆管，核燃料组件支撑栅格和由其制成的核电厂的结构部件的方法。 本发明进一步涉及一种制备锆合金组合物，如上所述，以及高燃耗核燃料包覆管，核燃料组件支撑栅格和由其制成的核电厂的结构部件的方法。

    Zirconium based alloys having excellent creep resistance
    4.
    发明公开
    Zirconium based alloys having excellent creep resistance 有权
    Legierung auf der Basis von Zirkonium mit sehr guter Kriechfestigkeit

    公开(公告)号：EP1688508A1

    公开(公告)日：2006-08-09

    申请号：EP05007163.8

    申请日：2005-04-01

    申请人： Korea Atomic Energy Research Institute ,  Korea Hydro & Nuclear Power Co., Ltd.

    发明人： Jeong, Yong Hwan ,  Baek, Jong, Hyuk ,  Choi, Byoung, Kwon ,  Park, Sang, Yoon ,  Lee, Myung, Ho ,  Bang, Je Geon ,  Park, Jeong Yong ,  Kim, Jun Hwan ,  Kim, Hyun Gil ,  Jung, Youn Ho

    IPC分类号： C22C16/00

    CPC分类号： C22C16/00 ,  C22F1/186

    摘要： The present invention relates to a zirconium based alloy composite having an excellent creep resistance and, more particularly, to a zirconium based alloy composite finally heat -treated to have the degree of recrystallization in the range of 40-70% in order to improve the creep resistance. The zirconium based alloy comprises 0.8∼1.8 wt.% niobium(Nb); 0.38∼0.50 wt.% tin(Sn); one or more elements selected from 0.1∼0.2 wt.% iron(Fe), 0.0 5~0.15 wt.% copper(Cu), and 0.12 wt.% chromium(Cr); 0.10∼0.15 wt.% oxygen(O); 0.006∼0.010 wt.% carbon(C); 0.006~0.010 wt.% s ilicon(Si); 0.0005∼0.0020 wt.% sulfur (S); and the balance zirconium(Zr). The zirconium alloy manufactured with the composition in accordance with the present invention has an excellent creep resistance compared to a conventional Zircaloy -4, and may effectively be used as a nuclear cladding tube, supporting lattice and inner structures of reactor core in the nuclear power plant utilizing light or heavy water reactor.

    摘要翻译： 本发明涉及具有优异抗蠕变性的锆基合金复合材料，更具体地说，涉及一种锆基合金复合材料，其最终被热处理以具有40-70％范围内的重结晶度，以改善蠕变 抵抗性。 锆基合金包含0.8-1.8重量％的铌（Nb）; 锡（锡）0.38〜0.50重量％ 选自0.1〜0.2重量％的铁（Fe），0.0〜0.15重量％的铜（Cu）和0.12重量％的铬（Cr）的一种或多种元素; 0.10-0.15重量％氧（O）; 0.006-0.010重量％碳（C）; 0.006〜0.010重量％的Si（Si）; 0.0005¼0.0020重量％硫（S）; 余量为锆（Zr）。 根据本发明的组合物制造的锆合金与常规的Zircaloy -4相比具有优异的抗蠕变性，并且可以有效地用作核包层管，在核电站中支撑晶格和反应堆芯的内部结构 利用轻水或重水反应堆。