High Fe contained zirconium alloy compositions having excellent corrosion resistance and preparation method thereof
    4.
    发明授权
    High Fe contained zirconium alloy compositions having excellent corrosion resistance and preparation method thereof 有权
    高Fe含有具有优异耐腐蚀性的锆合金组合物及其制备方法

    公开(公告)号:US08070892B2

    公开(公告)日:2011-12-06

    申请号:US11734288

    申请日:2007-04-12

    IPC分类号: C22C16/00 C22F1/18

    CPC分类号: G21C3/07 Y02E30/40

    摘要: A high Fe-containing zirconium composition having excellent corrosion resistance and a preparation method thereof. Specifically, disclosed are a high Fe-containing zirconium composition having excellent corrosion resistance and a preparation method thereof, the composition comprising: 0.5-1.0 wt % iron; 0.25-0.5 wt % chromium; 0.06-0.18 wt % oxygen; at least one element selected from the group consisting of 0.2-0.5 wt % tin, 0.1-0.3 wt % niobium and 0.05-0.3 wt % copper; and the balance of zirconium. The zirconium alloy has excellent corrosion resistance, and thus can be used as a material for nuclear fuel claddings, spacer grids and nuclear reactor core structures in light water reactor and heavy water reactor nuclear power plants.

    摘要翻译: 具有优异耐腐蚀性的高含铁锆组合物及其制备方法。 具体地,公开了具有优异耐腐蚀性的高含铁锆组合物及其制备方法,所述组合物包含:0.5-1.0重量%的铁; 0.25-0.5重量%铬; 0.06-0.18重量%氧气; 选自由0.2-0.5重量%锡,0.1-0.3重量%铌和0.05-0.3重量%铜组成的组中的至少一种元素; 和锆的平衡。 锆合金具有优异的耐腐蚀性,因此可用作轻水反应堆和重水反应堆核电站中核燃料包层,间隔栅格和核反应堆核心结构的材料。

    Zirconium alloy having excellent corrosion resistance and mechanical properties for nuclear fuel cladding tube
    5.
    发明授权
    Zirconium alloy having excellent corrosion resistance and mechanical properties for nuclear fuel cladding tube 有权
    锆合金具有优异的耐燃性和核燃料包层管的机械性能

    公开(公告)号:US06811746B2

    公开(公告)日:2004-11-02

    申请号:US10040743

    申请日:2001-11-01

    IPC分类号: C22C1600

    摘要: The present invention relates to a zirconium alloy having excellent corrosion resistance and mechanical properties and a method for preparing a nuclear fuel cladding tube by zirconium alloy. More particulary, the present invention is directed to a zirconium alloy comprising Zr-aNb-bSn-cFe-dCr-eCu (a=0.05-0.4 wt %, b=0.3-0.7 wt %, c=0.1-0.4 wt %, d=0-0.2 wt % and e=0.01-0.2 wt %, provided that Nb+Sn=0.35-1.0 wt %), and to a method for preparing a zirconium alloy nuclear fuel cladding tube, comprising melting a metal mixture comprising of the zirconium and alloying elements to obtain ingot, forging the ingot at &bgr; phase range, &bgr;-quenching the forged ingot at 1015-1075° C., hot-working the quenched ingot at 600-650° C., cold-working the hot-worked ingot in three to five passes, with intermediate vacuum annealing and final vacuum annealing the worked ingot at 460-540° C., which can be applied to the core components in a light water and a heavy water atomic reactor type nuclear power plant.

    摘要翻译: 本发明涉及具有优异的耐腐蚀性和机械性能的锆合金以及通过锆合金制备核燃料包层管的方法。 更具体地,本发明涉及包含Zr-aNb-bSn-cFe-dCr-eCu(a = 0.05-0.4重量%,b = 0.3-0.7重量%,c = 0.1-0.4重量%,d = 0-0.2重量%,e = 0.01-0.2重量%,条件是Nb + Sn = 0.35-1.0重量%),以及制备锆合金核燃料包层管的方法,包括熔融金属混合物, 锆和合金元素以获得锭,在β相范围锻造锭,在1015-1075℃下对锻造锭进行β淬火,在600-650℃下热处理淬火锭,冷热处理, 在三到五道次的铸锭中进行中间真空退火和最终真空退火处理的锭在460-540℃,可以应用于轻水和重水原子反应堆型核电站的核心部件。

    High Fe contained zirconium alloy compositions having excellent corrosion resistance and preparation method thereof
    7.
    发明申请
    High Fe contained zirconium alloy compositions having excellent corrosion resistance and preparation method thereof 有权
    高Fe含有具有优异耐腐蚀性的锆合金组合物及其制备方法

    公开(公告)号:US20080192880A1

    公开(公告)日:2008-08-14

    申请号:US11734288

    申请日:2007-04-12

    IPC分类号: G21C3/07

    CPC分类号: G21C3/07 Y02E30/40

    摘要: A high Fe-containing zirconium composition having excellent corrosion resistance and a preparation method thereof. Specifically, disclosed are a high Fe-containing zirconium composition having excellent corrosion resistance and a preparation method thereof, the composition comprising: 0.5-1.0 wt % iron; 0.25-0.5 wt % chromium; 0.06-0.18 wt % oxygen; at least one element selected from the group consisting of 0.2-0.5 wt % tin, 0.1-0.3 wt % niobium and 0.05-0.3 wt % copper; and the balance of zirconium. The zirconium alloy has excellent corrosion resistance, and thus can be used as a material for nuclear fuel claddings, spacer grids and nuclear reactor core structures in light water reactor and heavy water reactor nuclear power plants.

    摘要翻译: 具有优异耐腐蚀性的高含铁锆组合物及其制备方法。 具体地,公开了具有优异耐腐蚀性的高含铁锆组合物及其制备方法,所述组合物包含:0.5-1.0重量%的铁; 0.25-0.5重量%铬; 0.06-0.18重量%氧气; 选自由0.2-0.5重量%锡,0.1-0.3重量%铌和0.05-0.3重量%铜组成的组中的至少一种元素; 和锆的平衡。 锆合金具有优异的耐腐蚀性,因此可用作轻水反应堆和重水反应堆核电站中核燃料包层,间隔栅格和核反应堆核心结构的材料。

    ZIRCONIUM ALLOY COMPOSITIONS HAVING EXCELLENT CORROSION RESISTANCE BY THE CONTROL OF VARIOUS METAL-OXIDE AND PRECIPITATE AND PREPARATION METHOD THEREOF
    9.
    发明申请
    ZIRCONIUM ALLOY COMPOSITIONS HAVING EXCELLENT CORROSION RESISTANCE BY THE CONTROL OF VARIOUS METAL-OXIDE AND PRECIPITATE AND PREPARATION METHOD THEREOF 审中-公开
    通过各种金属氧化物和降解剂的控制具有优异的耐腐蚀性的锆合金组合物及其制备方法

    公开(公告)号:US20120145287A1

    公开(公告)日:2012-06-14

    申请号:US12392697

    申请日:2009-02-25

    IPC分类号: C22F1/18 C22C16/00

    CPC分类号: C22C16/00

    摘要: Disclosed herein are a zirconium alloy composition, which exhibits excellent corrosion resistance by varying the kinds of metal oxides and controlling the size of precipitates of the composition, including: 1.05˜1.45 wt % of Nb; one or more selected from the group consisting of 0.1˜0.7 wt % of Fe and 0.05˜0.6 wt % of Cr; and residual Zr, and a method of preparing the same. The zirconium alloy composition exhibits excellent corrosion resistance by controlling the kinds and amounts of the elements included in the zirconium alloy composition and the heat-treatment temperature and thus varying the kinds of metal oxides formed during an oxidation process and controlling the size of precipitates of the zirconium alloy, so that it can be usefully used as a raw material for nuclear fuel cladding tubes, spacer grids, nuclear reactor internals and the like of a light-water reactor or a heavy-water reactor in a nuclear power plant.

    摘要翻译: 本发明公开了一种锆合金组合物,其通过改变金属氧化物的种类和控制组合物的析出物的尺寸来表现出优异的耐腐蚀性,包括:1.05〜1.45重量%的Nb; 选自由0.1〜0.7重量%的Fe和0.05〜0.6重量%的Cr组成的组中的一种或多种; 和残余Zr,及其制备方法。 锆合金组合物通过控制包含在锆合金组合物中的元素的种类和数量以及热处理温度,从而改变氧化过程中形成的金属氧化物的种类和控制沉淀物的尺寸,显示出优异的耐腐蚀性 锆合金,因此可以有效地用作核电厂的轻水反应堆或重水反应堆的核燃料包层管,间隔栅格,核反应堆内部等的原料。

    Method for manufacturing a tube and a sheet of niobium-containing zirconium alloy for a high burn-up nuclear fuel
    10.
    发明授权
    Method for manufacturing a tube and a sheet of niobium-containing zirconium alloy for a high burn-up nuclear fuel 有权
    一种制造用于高燃耗核燃料的含铌锆合金管和一片材的方法

    公开(公告)号:US06514360B2

    公开(公告)日:2003-02-04

    申请号:US09852953

    申请日:2001-05-10

    IPC分类号: C22F118

    摘要: Disclosed is a method for manufacturing a tube and a sheet of niobium-containing zirconium alloys for the high burn-up nuclear fuel. The method comprises melting Nb-added zirconium alloy to ingot; forging the ingot at &bgr; phase range; &bgr;-quenching the forged ingot after solution heat-treatment at 1015-1075° C.; hot-working the quenched ingot at 600-650° C.; cold-working the hot-worked ingot in three to five passes, with intermediate vacuum annealing; and final vacuum annealing the cold-worked ingot at 440-600° C., wherein temperatures of intermediate vacuum annealing and final vacuum annealing after &bgr;-quenching are changed so as to attain the condition under which precipitates in the alloy matrix are limited to an average diameter of 80 nm or smaller and the accumulated annealing parameter (&Sgr; A) is limited to 1.0×10−18 hr or lower.

    摘要翻译: 公开了一种制造用于高燃耗核燃料的含铌锆合金管和一片材的方法。 该方法包括将Nb添加的锆合金熔化成锭; 在β相范围锻造锭; 在1015-1075°C固溶热处理后,对锻造锭进行β淬火淬火。 在600-650℃下对淬火锭进行热加工; 用三到五道次热处理热加工铸锭,中间真空退火; 在440-600℃下对冷加工锭进行最终真空退火,其中改变了中间真空退火和β淬火后的最终真空退火的温度,以达到将合金基体中的析出物限制在 平均直径为80nm以下,累积退火参数(SIGMA A)为1.0×10-18hr以下。