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    Thermomechanical method for producing superalloys with increased strength and thermal stability
    6.
    发明授权
    Thermomechanical method for producing superalloys with increased strength and thermal stability 失效
    用于生产具有增强的强度和热稳定性的超级合金的热力学方法

    公开(公告)号：US06334912B1

    公开(公告)日：2002-01-01

    申请号：US09224665

    申请日：1998-12-31

    申请人： Eti Ganin ,  Gregory Reznikov

    发明人： Eti Ganin ,  Gregory Reznikov

    IPC分类号： C22C3000

    CPC分类号： C22F1/10

    摘要： A thermomechanical process for producing high strength and thermally stable alloys, comprising the steps of: pre-heating an alloy bar or rod stock of a pre-selected size at a temperature below that at which grain growth occurs; and thereafter rotoforging the heated alloy bar or rod stock at a sufficient deformation level and temperature to fragment the grain boundary phases of the alloy. The resulting alloy is characterized by an ultra-fine, very uniform grain size, high tensile strength at room and high temperatures, good ductility, and a stress-rupture rate that is about twice as long as conventional alloys that have not undergone the thermomechanical process.

    摘要翻译： 一种用于生产高强度和热稳定合金的热机械方法，包括以下步骤：在低于晶粒生长发生的温度下预热预选尺寸的合金棒或棒料; 然后以足够的变形水平和温度旋转加热的合金棒或棒材，以使合金的晶界相分裂。 所得合金的特征在于超细，非常均匀的晶粒尺寸，室温和高温下的高拉伸强度，良好的延展性，以及不经历机械过程的常规合金的约两倍的应力破裂速率 。

    X-ray tube targets with reduced heat transfer
    7.
    发明授权
    X-ray tube targets with reduced heat transfer 有权
    X射线管目标与传热减少

    公开(公告)号：US6157702A

    公开(公告)日：2000-12-05

    申请号：US148180

    申请日：1998-09-04

    申请人： Gregory Reznikov ,  Christopher A. Metcalf

    发明人： Gregory Reznikov ,  Christopher A. Metcalf

    IPC分类号： H01J35/10

    CPC分类号： H01J35/101

    摘要： In an X-ray tube target, a shaft is welded to the anode target, the shaft typically being TZM or a molybdenum alloy. This defines a first weld location and creates an integral shaft-target assembly. The shaft-target assembly is then machined. A heat sink material, such as graphite, is brazed to the integral shaft-target assembly. A hub is then welded to the shaft, at an end opposite the target, defining a second weld location and creating a hub-target assembly. The hub can be columbium or columbium alloy. Subsequently, the hub-target assembly can be machined. Having a dual weld procedure, and eliminating the subsequent brazing step to join the hub to the shaft, enables the alloys to maintain their high strength without annealing, thereby allowing the shaft materials to keep their high strength and reducing plastic deformation at the lower (hub) portion of the shaft.

    摘要翻译： 在X射线管靶中，将轴焊接到阳极靶，该轴通常为TZM或钼合金。 这定义了第一焊接位置并创建了整体的轴 - 目标组件。 然后对轴 - 目标组件进行加工。 诸如石墨的散热材料被钎焊到整体轴目标组件上。 然后将轮毂焊接到轴，在与目标相对的端部处，限定第二焊接位置并创建轮毂目标组件。 轮毂可以是铌或铌合金。 随后，可以加工轮毂 - 目标组件。 具有双重焊接工艺，并消除随后的钎焊步骤将轮毂连接到轴上，使得合金能够在不退火的情况下保持其高强度，从而允许轴材料保持其高强度并减少在下部（轮毂）处的塑性变形 ）部分。

    Method for making a rotating anode with an integral shaft
    8.
    发明授权
    Method for making a rotating anode with an integral shaft 失效
    用于制造具有一体轴的旋转阳极的方法

    公开(公告)号：US5592525A

    公开(公告)日：1997-01-07

    申请号：US347534

    申请日：1994-11-30

    申请人： Gregory Reznikov ,  Peter Eloff ,  Thomas Tiearney

    发明人： Gregory Reznikov ,  Peter Eloff ,  Thomas Tiearney

    IPC分类号： H01J35/10

    CPC分类号： H01J35/101 ,  H01J2235/1013

    摘要： A method for making a rotating X-ray tube provides a rotating anode having an integral stem. Initially, a cathode which emits electrons is provided. Next, a preheated anode target which radiates x-ray in response to bombardment by the electrons is provided. The method further comprises the steps of providing an anode stem and inertia welding the preheated anode target to the anode stem to form a rotating anode with an integral stem.

    摘要翻译： 制造旋转X射线管的方法提供具有整体式杆的旋转阳极。 首先，提供发射电子的阴极。 接下来，提供了响应于电子轰击而辐射x射线的预热的阳极靶。 该方法还包括以下步骤：提供阳极杆并将预热的阳极靶惯性地焊接到阳极杆，以形成具有整体式杆的旋转阳极。

    Metallic alloy for X-ray target
    9.
    发明授权
    Metallic alloy for X-ray target 失效
    金属合金用于X射线靶

    公开(公告)号：US5222116A

    公开(公告)日：1993-06-22

    申请号：US907892

    申请日：1992-07-02

    申请人： Peter C. Eloff ,  Gregory Reznikov

    发明人： Peter C. Eloff ,  Gregory Reznikov

    IPC分类号： C22C27/04 ,  H01J35/10

    CPC分类号： H01J35/10 ,  C22C27/04

    摘要： An X-ray tube anode which is composed of a refractory metal having a focal track thereon with the refractory metal including tantalum, hafnium, zirconium and carbon in a minor amount and molybdenum in a major amount. The anode has improved high temperature properties and fabricability. It can be utilized alone or in combination with the usual graphite portion.

    摘要翻译： 一种X射线管阳极，由难熔金属组成，其上具有焦点轨道，难熔金属包括钽，铪，锆和少量的碳以及主要的钼。 阳极具有改善的高温性能和可制造性。 它可以单独使用或与通常的石墨部分组合使用。