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    Two-step process for bonding the elements of a three-layer cladding tube
    1.
    发明授权
    Two-step process for bonding the elements of a three-layer cladding tube 失效
    用于粘合三层包层管的元件的两步法

    公开(公告)号：US5517540A

    公开(公告)日：1996-05-14

    申请号：US215457

    申请日：1994-03-21

    申请人： Mickey O. Marlowe ,  Joseph S. Armijo ,  Cedric D. Williams ,  Herman S. Rosenbaum

    发明人： Mickey O. Marlowe ,  Joseph S. Armijo ,  Cedric D. Williams ,  Herman S. Rosenbaum

    IPC分类号： G21C3/06 ,  B21C37/06 ,  C22F1/18 ,  F27B17/00 ,  G21C3/18 ,  G21C3/20 ,  G21C21/02 ,  G21C21/10 ,  G21D1/00 ,  G21C3/00

    CPC分类号： C22F1/186 ,  G21C21/02 ,  G21C21/10 ,  G21C3/06 ,  G21C3/20 ,  G21C3/18 ,  G21Y2002/103 ,  G21Y2002/104 ,  G21Y2002/302 ,  G21Y2002/303 ,  G21Y2004/10 ,  G21Y2004/20 ,  G21Y2004/40 ,  Y02E30/40

    摘要： A method is provided for preparing a cladding tube having an outer substrate, an intermediate zirconium barrier layer, and an inner liner. The method includes the following steps: (a) bonding an inner liner alloy sheath exterior circumferential surface to a zirconium sheath interior circumferential surface to form a barrier/inner liner sheath, and (b) bonding the exterior surface of the zirconium sheath on the barrier/inner liner sheath to the interior circumferential surface of an outer substrate alloy tube to form the cladding tube. Alternatively, the method includes the following steps: (a) bonding the zirconium sheath exterior circumferential surface to the outer substrate alloy tube interior circumferential surface to form a substrate tube/barrier sheath, and (b) bonding the exterior circumferential surface of the inner liner alloy sheath to the interior circumferential surface of the zirconium sheath of the substrate tube/barrier sheath to form said cladding tube. In either approach the tube produced by step (a) is heat treated before step (b) is performed. The bonding steps are performed by extrusion and sometimes hot isostatic pressing.

    摘要翻译： 提供了一种制备具有外基板，中间锆阻挡层和内衬的包层管的方法。 该方法包括以下步骤：（a）将内衬合金护套外周表面粘合到锆护套内周表面以形成阻挡层/内衬套，以及（b）将外壳上的外壳表面粘合在屏障 /内衬套到外基板合金管的内周面，以形成包层管。 或者，该方法包括以下步骤：（a）将锆护套外周面接合到外基板合金管内周面，形成基板管/阻挡护套，（b）将内衬的外周面 合金护套连接到衬底管/屏障护套的锆护套的内圆周表面，以形成所述包层管。 在任一方法中，步骤（a）产生的管在步骤（b）执行之前进行热处理。 结合步骤通过挤出和有时热等静压进行。

    Dimensionally stable and corrosion-resistant fuel channels and related method of manufacture
    3.
    发明授权
    Dimensionally stable and corrosion-resistant fuel channels and related method of manufacture 失效
    尺寸稳定和耐腐蚀的燃料通道及相关制造方法

    公开(公告)号：US5305359A

    公开(公告)日：1994-04-19

    申请号：US60668

    申请日：1993-05-13

    申请人： Ronald B. Adamson ,  Donald C. Bartosik ,  Eric B. Johansson ,  Cedric D. Williams

    发明人： Ronald B. Adamson ,  Donald C. Bartosik ,  Eric B. Johansson ,  Cedric D. Williams

    IPC分类号： G21C21/00

    CPC分类号： G21C21/00 ,  G21Y2002/103 ,  G21Y2002/104 ,  G21Y2004/201 ,  G21Y2004/40

    摘要： A method of manufacturing components made of zirconium-based alloy by combining heat treatment with thermal sizing. The heat treatment includes heating the component to a temperature which initiates the transformation from a hexagonal close-packed crystallographic phase of uniform texture to a body-centered cubic crystallographic phase and then quenching to a quench temperature at a rate which initiates transformation to a hexagonal close-packed crystallographic phase having a texture factor f.sub.L =0.28-0.38. The thermal sizing includes heating the component to a temperature less than the quench temperature, but sufficient to anneal the component, and then cooling. Preferably, the thermal sizing is performed twice: before and after the heat treatment.

    摘要翻译： 通过将热处理与热施胶组合来制造由锆基合金制成的部件的方法。 热处理包括将组分加热到从均匀结构的六方密度密堆积结晶相转变为体心立方晶相的温度，然后以开始转变为六方密度的速率淬火至骤冷温度 具有织构因子fL = 0.28-0.38的包层晶体相。 热定型包括将组件加热到低于淬火温度的温度，但足以退火组件，然后冷却。 优选地，在热处理之前和之后进行两次热定型。