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12 条记录 (耗时 0.011 秒)

    Reaction cathode
    3.
    发明授权
    Reaction cathode 失效
    反应阴极

    公开(公告)号：US4019081A

    公开(公告)日：1977-04-19

    申请号：US620175

    申请日：1975-10-06

    申请人： Charley Buxbaum ,  Gernot Gessinger

    发明人： Charley Buxbaum ,  Gernot Gessinger

    IPC分类号： H01J1/14 ,  H01J19/06

    CPC分类号： H01J1/14

    摘要： A reaction cathode with high thermic emission which is especially suited for vacuum tube application and which contains a compound of a monolayer forming element which is liberated by a supply reaction which proceeds during the operation of the cathode, wherein the monolayer forming element is at least one of the elements selected from the group consisting of yttrium and lanthanum, and wherein said cathode further contains at least one metal selected from the group consisting of palladium, platinum, rhodium and ruthenium, as a diffusion-enhancing agent.

    摘要翻译： 具有高热发射的反应阴极，其特别适合于真空管应用，并且其包含通过在阴极操作期间进行的供应反应释放的单层形成元素的化合物，其中单层形成元件为至少一种 的选自钇和镧的元素，并且其中所述阴极还含有选自钯，铂，铑和钌的至少一种金属作为扩散增强剂。

    Hot-cathode material and production thereof
    4.
    发明授权
    Hot-cathode material and production thereof 失效
    热阴极材料及其制造

    公开(公告)号：US4275123A

    公开(公告)日：1981-06-23

    申请号：US26547

    申请日：1979-04-03

    申请人： Charley Buxbaum ,  Gernot Gessinger ,  Sigfrid Strassler

    发明人： Charley Buxbaum ,  Gernot Gessinger ,  Sigfrid Strassler

    IPC分类号： H01J1/14 ,  H01J1/15 ,  H01J1/28 ,  H01J9/04 ,  B22F5/00

    CPC分类号： H01J9/04 ,  H01J1/28 ,  Y10T428/12021 ,  Y10T428/12146 ,  Y10T428/12833

    摘要： A hot-cathode material in wire or sheet form, comprising a high-melting carrier metal, an oxide activator and a carbide reducing agent, and, optionally, a diffusion-promoting additive, the material comprising a core zone and at least one surface layer having different compositions or different concentrations of constituents therein which are such that, in operation, the rate of diffusion of the activator from the core zone is equal to or greater than the loss of activator from the surface layer. The material is made by a powder metallurgy/thermo-mechanical process.

    摘要翻译： 一种线或片形式的热阴极材料，包括高熔点载体金属，氧化物活化剂和碳化物还原剂，以及任选的扩散促进添加剂，所述材料包括芯区和至少一个表面层 具有不同的组成或不同浓度的组分，这使得在操作中，活化剂从芯区的扩散速率等于或大于来自表面层的活化剂的损失。 该材料通过粉末冶金/热机械工艺制成。

    Method for connecting superalloy components
    5.
    发明授权
    Method for connecting superalloy components 失效
    连接超合金部件的方法

    公开(公告)号：US4750946A

    公开(公告)日：1988-06-14

    申请号：US828522

    申请日：1986-02-12

    申请人： Bernd Jahnke ,  Gernot Gessinger ,  Hans Rydstad ,  Robert Singer

    发明人： Bernd Jahnke ,  Gernot Gessinger ,  Hans Rydstad ,  Robert Singer

    IPC分类号： B23K20/00 ,  B23K20/02 ,  B23K20/233 ,  B23K20/24 ,  C22F1/10

    CPC分类号： B23K20/02 ,  B23K20/233 ,  B23K20/24

    摘要： Components (5) in a superalloy, in particular a dispersion hardened nickel based alloy, are connected together by pressure bonding in the solid condition with the greatest possible limitation of the overall deformation of the complete components (5) by lateral restraint (7), the actual bonding zone (6) having short-term intensive dynamic plastic flow imposed on it and, taking account of the deformation temperature, the local deformation rate .epsilon..sub.l and the local deformation .epsilon..sub.l referred to the bonding zone (6) are matched together in such a way that the driving force during the subsequent heat treatment of the complete workpiece above the recrystallization temperature is sufficient to force the formation of coarse grain under all conditions. It can then be assumed that, in general, the expression ##EQU1## h.sub.o =height of the bonding zone (6) before connection, h.sub.f =height of the bonding zone (6) after connection,D.sub.Ni =the temperature dependent diffusion coefficient of Ni,is within the limits 10 and 20. The nickel based superalloys of principal interest should be connected in a maximum total bonding time of 20 s, the average value of .epsilon..sub.l being at least 0.02 s.sup.-1 and .epsilon..sub.l being at least 0.1.

    摘要翻译： 高温合金（特别是分散硬化的镍基合金）中的组分（5）通过在固体状态下的压力粘合而连接在一起，同时通过横向约束（7）可以最大程度地限制整个组件（5）的整体变形， 实际粘结区域（6）在其上施加有短期强烈的动态塑性流动，并且考虑到变形温度，将局部变形率ε1和参考粘合区域（6）的局部变形ε1相匹配 使得在整个工件的后续热处理中的驱动力高于再结晶温度足以在所有条件下强制形成粗晶粒。 然后，可以假设，通常，连接之前的键合区（6）的高度（h）=连接区（6）之后的表达式log（ε1DNi-1m2）其中< ，DNi = Ni的温度依赖扩散系数在10和20的范围内。主要感兴趣的镍基超级合金应连接在20s的最大总结合时间内，ε1的平均值至少为0.02s -1和ε1至少为0.1。

    Powder metallurgical process for producing a copper-based shape-memory alloy
    6.
    发明授权
    Powder metallurgical process for producing a copper-based shape-memory alloy 失效
    用于生产铜基形状记忆合金的粉末冶金工艺

    公开(公告)号：US4410488A

    公开(公告)日：1983-10-18

    申请号：US286865

    申请日：1981-07-27

    申请人： Gernot Gessinger ,  Oliver Mercier ,  Helmut Riegger

    发明人： Gernot Gessinger ,  Oliver Mercier ,  Helmut Riegger

    IPC分类号： B22F3/16 ,  C22C1/04 ,  C22F1/00 ,  B26D5/20 ,  C21D8/00

    CPC分类号： B22F3/16 ,  C22C1/0425 ,  C22F1/006

    摘要： Shape-memory alloys comprised of Cu/Al or Cu/Al/Ni are produced by a powder metallurgical process wherein a coarse-grained powder of pre-alloyed and/or pre-mixed powder alloys having a grain size of 0.05 to 0.8 mm is introduced into a metal container which is then evacuated, sealed, and hot isostatically pressed. The resulting billet is then hot worked. In another embodiment, the powder is first placed in a rubber tube and cold isostatically pressed. The billet is then placed in a cylinder having deformable walls, such as a copper cylinder, the cylinder is sealed, and the powder therein is then hot isostatically pressed, and the billet so prepared is subjected to a homogenization heat treatment and hot working.

    摘要翻译： 由Cu / Al或Cu / Al / Ni组成的形状记忆合金是通过粉末冶金方法生产的，其中粒度为0.05至0.8mm的预合金和/或预混粉末合金的粗粒粉末是 引入到金属容器中，然后将其抽真空，密封和热等静压。 然后将所得的坯料热加工。 在另一个实施方案中，首先将粉末放置在橡胶管中并进行冷静压。 然后将坯料放置在具有可变形壁的圆柱体中，例如铜圆柱体，将圆筒密封，然后将其中的粉末进行热等静压，并将如此制备的坯料进行均质化热处理和热加工。

    Method for powder-metallurgic production of a workpiece from a high temperature alloy
    8.
    发明授权
    Method for powder-metallurgic production of a workpiece from a high temperature alloy 失效
    从高温合金粉末冶金生产工件的方法

    公开(公告)号：US4110131A

    公开(公告)日：1978-08-29

    申请号：US732753

    申请日：1976-10-15

    申请人： Gernot Gessinger

    发明人： Gernot Gessinger

    IPC分类号： B21J5/00 ,  B22F3/02 ,  B22F3/16 ,  B22F3/17 ,  B22F3/24 ,  C22C1/04 ,  C22F1/10

    CPC分类号： B22F3/16 ,  B22F3/24 ,  C22C1/0433 ,  B22F2998/10 ,  Y10T29/49798

    摘要： A method for powder metallurgical production of a high temperature alloy body consists of mixing powdered alloy components or pre-alloys in the desired proportions; cold working the mix under a protective atmosphere; canning the cold-worked powder mixture; compressing the canned powder by extrusion or hot isostatic pressing to a form of dense blank; cutting said blank into slices; forging them at a constant temperature within the range of from 0.6 to 0.75 of the melting point at a strain rate of from 10.sup.-3 to 10.sup.0 S.sup.-1 ; and thereafter subjecting the forged body to a coarse-grain annealing between 1230.degree. and 1300.degree. C for up to 3 hours.

    摘要翻译： 一种用于粉末冶金生产高温合金体的方法包括以期望的比例混合粉末状合金成分或预合金; 在保护气氛下冷却混合物; 罐装冷加工粉末混合物; 通过挤出或热等静压将罐装粉末压制成致密空白的形式; 将空白切成切片; 在10-3至100S-1的应变速率下在熔点的0.6至0.75的恒定温度下锻造它们; 然后对锻造体进行1230〜1300℃的粗粒退火达3小时。

    Process for manufacturing a semi-finished product or a finished component from a metallic material by hot working
    10.
    发明授权
    Process for manufacturing a semi-finished product or a finished component from a metallic material by hot working 失效
    通过热加工从金属材料制造半成品或成品的方法

    公开(公告)号：US4479833A

    公开(公告)日：1984-10-30

    申请号：US466339

    申请日：1983-02-02

    申请人： Gernot Gessinger ,  G/u/ nther Schr/o/ der

    发明人： Gernot Gessinger ,  G/u/ nther Schr/o/ der

    IPC分类号： C21D7/13 ,  C22F1/00 ,  C22D1/04 ,  C21D7/14 ,  C22D1/08 ,  C22D1/10

    CPC分类号： C22F1/00 ,  C21D7/13

    摘要： Semi-finished products and finished components are manufactured, by hot working, from alloys of aluminum, copper, nickel and iron, with and without oxidic dispersoids, by a process wherein the deformation operation is carried out, isothermally, or quasi-isothermally, in a single step, at a temperature just below the solidus temperature of the alloy of the workpiece, at a comparatively low deformation rate, and at low specific deformation forces, the workpiece and the tool being kept, at least during the final, longer-lasting phase of the working operation, as precisely as possible at the same, maximum permissible temperature in the vicinity of the solidus line. The material is advantageously subjected to a preliminary homogenization heat-treatment at this maximum permissible temperature and cooling to room temperature, before the working process. Very good die-filling capacity.

    摘要翻译： PCT No.PCT / CH82 / 00082 Sec。 371日期1983年2月2日 102（e）1983年2月2日PCT PCT。1982年6月22日PCT公布。 公开号WO83 / 00168 1983年1月20日。通过热加工由铝，铜，镍和铁的合金制造成品和成品，有和没有氧化分散体，通过等温进行变形操作的方法 或者准等温地，在一个步骤中，在比工件的合金的固相线温度低的温度下，以相对较低的变形速率，并且在较低的特定变形力下，至少保持工件和工具 在工作操作的最后更持久的阶段，尽可能精确地在固相线附近的最大允许温度。 该材料有利地在该最大允许温度下进行初步均化热处理，并在工作过程之前冷却至室温。 非常好的模具填充能力。