Unidirectional solidification process and apparatus therefor
    2.
    发明公开
    Unidirectional solidification process and apparatus therefor 审中-公开
    单向凝固过程及其装置

    公开(公告)号:EP2436461A3

    公开(公告)日:2017-08-30

    申请号:EP11181588.2

    申请日:2011-09-16

    CPC classification number: B22D27/045

    Abstract: An apparatus (50) and method for casting an alloy using a unidirectional casting technique. The apparatus (50) includes a mold (52) adapted to contain a molten quantity (56) of an alloy, a primary heating zone (60) adapted to heat the mold (52) and the molten alloy therein to a temperature above the liquidus temperature of the alloy, a cooling zone (64) adapted to cool the mold (52) and molten alloy therein to a temperature below the solidus temperature of the alloy and thereby yield the unidirectionally-solidified casting, and an insulation zone (62) between the primary heating zone (60) and the cooling zone (64). The apparatus (50) also has a secondary heating zone (66) separated from the insulation zone (62) by the primary heating zone (60). The secondary heating zone (66) maintains the mold (52) and the molten alloy therein at a temperature below the liquidus temperature of the alloy. The temperatures within the primary and secondary heating zones (60,66) are individually set and controlled.

    Abstract translation: 一种设备(50)和使用单向铸造技术铸造合金的方法。 该设备(50)包括适于容纳合金的熔融量(56)的模具(52),适于将模具(52)和其中的熔融合金加热到液相线以上的温度的主加热区(60) 冷却区域(64),其适于冷却模具(52)和其中的熔融合金至低于合金的固相线温度的温度,从而产生单向凝固的铸件;以及绝热区域(62) 主加热区(60)和冷却区(64)。 设备(50)还具有通过主加热区(60)与绝热区(62)分开的第二加热区(66)。 第二加热区(66)将模具(52)和其中的熔融合金保持在低于合金液相线温度的温度下。 初级和次级加热区(60,66)内的温度分别设定和控制。

    Nickel-cobalt-based alloy and bond coat and bond coated articles incorporating the same
    4.
    发明公开
    Nickel-cobalt-based alloy and bond coat and bond coated articles incorporating the same 有权
    Nickelkobaltbasierte Legierung und Haftbeschichtung sowie haftbeschichtete Artikel damit

    公开(公告)号:EP2607510A1

    公开(公告)日:2013-06-26

    申请号:EP12196187.4

    申请日:2012-12-07

    Abstract: In an exemplary embodiment, a high temperature oxidation and hot corrosion resistant MCrAlX alloy is disclosed, wherein, by weight of the alloy, M comprises nickel in an amount of at least about 30 percent and X comprises from about 0.005 percent to about 0.19 percent yttrium. In another exemplary embodiment, a coated article is disclosed. The article includes a substrate having a surface. The article also includes a bond coat disposed on the surface, the bond coat comprising a high temperature oxidation and hot corrosion resistant MCrAlX alloy, wherein, by weight of the alloy, M comprises at least about 30 percent nickel and X comprises about 0.005 percent to about 0.19 percent yttrium.

    Abstract translation: 在一个示例性实施方案中,公开了高温氧化和耐热腐蚀MCrAlX合金,其中按重量计,M包含至少约30%的镍,X包含约0.005%至约0.19%的钇 。 在另一示例性实施例中,公开了涂覆制品。 该制品包括具有表面的基底。 该制品还包括设置在表面上的粘合涂层,所述粘合涂层包含高温氧化和耐热腐蚀的MCrAlX合金,其中,按合金重量计,M包含至少约30%的镍,X包含约0.005%至 约0.19%钇。

    A method of brazing a component, a brazed power generation system component, and a braze
    5.
    发明公开
    A method of brazing a component, a brazed power generation system component, and a braze 审中-公开
    Verfahren zumHartlöteneiner Komponente,hartgelöteteEnergieerzeugungssystemkomponente undHartlötstelle

    公开(公告)号:EP2583782A2

    公开(公告)日:2013-04-24

    申请号:EP12189095.8

    申请日:2012-10-18

    Abstract: A method for brazing a component (70) in a power generation system (10), the brazed power generation system component (202), and braze (200) are provided to improve repairing power generation systems (10). The method includes providing the component (70) having a feature (76) in a surface (72) of the component (70) and coating (703) a particulate material (90) with a filler material (92) to obtain a coated particulate material (94). The method includes preparing the feature (76) to obtain a treatment area (80) and filling the treatment area (80) in the surface (72) of the component (70) with the coated particulate material (94). The method includes heating the treatment area (80) and surrounding component (70) to a brazing temperature and applying oxidation protection (110) to the treatment area (80). After the brazing temperature is obtained, the method includes brazing the treatment area (80) and the screen and cooling the component (70) to obtain a brazed joint (200).

    Abstract translation: 提供一种用于钎焊发电系统(10)中的部件(70)的方法,所述钎焊发电系统部件(202)和钎焊件(200)用于改进修理发电系统(10)。 该方法包括在部件(70)的表面(72)中提供具有特征(76)的部件(70)和涂覆(703)具有填充材料(92)的颗粒材料(90),以获得涂覆的颗粒 材料(94)。 该方法包括制备特征(76)以获得处理区域(80)并用涂覆的颗粒材料(94)填充组件(70)的表面(72)中的处理区域(80)。 该方法包括将处理区域(80)和周围部件(70)加热到钎焊温度,并将氧化保护(110)施加到处理区域(80)。 在获得钎焊温度之后,该方法包括将处理区域(80)和筛网钎焊并冷却部件(70)以获得钎焊接头(200)。

    Erosion and corrosion-resistant coating system and process therefor
    6.
    发明公开
    Erosion and corrosion-resistant coating system and process therefor 有权
    Erosions- undkorrosionsbeständigesBeschichtungssystem und Verfahrendafür

    公开(公告)号:EP2088225A1

    公开(公告)日:2009-08-12

    申请号:EP08172187.0

    申请日:2008-12-18

    Abstract: A coating system and process capable of providing erosion and corrosion-resistance to a component (18), particularly a steel compressor blade of an industrial gas turbine. The coating system includes a metallic sacrificial undercoat (12) on a surface of the component substrate (16), and a ceramic topcoat (14) deposited by thermal spray on the undercoat (12). The undercoat (12) contains a metal or metal alloy that is more active in the galvanic series than iron, and electrically contacts the surface of the substrate. The ceramic topcoat (14) consists essentially of a ceramic material chosen from the group consisting of mixtures of alumina and titania, mixtures of chromia and silica, mixtures of chromia and titania, mixtures of chromia, silica, and titania, and mixtures of zirconia, titania, and yttria.

    Abstract translation: 一种能够对工业燃气轮机的部件(18),特别是钢制压缩机叶片提供侵蚀和耐腐蚀性的涂覆系统和方法。 涂层系统包括在组件衬底(16)的表面上的金属牺牲底涂层(12)和通过热喷涂沉积在底涂层(12)上的陶瓷顶涂层(14)。 底涂层(12)含有在铁电体系中比铁更有活性的金属或金属合金,并与基板的表面电接触。 陶瓷面漆(14)基本上由选自氧化铝和二氧化钛的混合物,氧化铬和二氧化硅的混合物,氧化铬和二氧化钛的混合物,氧化铬,二氧化硅和二氧化钛的混合物以及氧化锆, 二氧化钛和氧化钇。

    Preparation of low-sulfur platinum and platinum aluminide layers in thermal barrier coatings
    8.
    发明公开
    Preparation of low-sulfur platinum and platinum aluminide layers in thermal barrier coatings 有权
    Herstellung von schwefelarmen Platin-Schichten und Platinaluminid-Schichten in thermischen Sperrschichten

    公开(公告)号:EP0985744A1

    公开(公告)日:2000-03-15

    申请号:EP99305431.1

    申请日:1999-07-08

    Abstract: A method for preparing a coated nickel-base superalloy article reduces the sulfur content of the surface region of the metallic coating layers to low levels, thereby improving the adhesion of the coating layers to the article. The method includes depositing (52) a first layer (70) of platinum overlying the surface of a substrate (32), depositing (58) a second layer (76) of aluminum over the platinum, and final desulfurizing (60) the article by heating the article to elevated temperature, preferably in hydrogen, and removing (62) a small amount (78) of material from the surface that was exposed during the step of heating. A ceramic layer (40) may be deposited (64) over the desulfurized article. The article may also be similarly desulfurized at other points in the fabrication procedure.

    Abstract translation: 制备涂覆的镍基超级合金制品的方法将金属涂层的表面区域的硫含量降低到低水平,从而提高涂层对制品的粘附性。 该方法包括沉积(52)覆盖在衬底(32)的表面上的铂的第一层(70),在铂上沉积(58)第二层(76)的铝,并最后通过该物品脱硫(60)该制品 将制品加热至升高的温度,优选在氢气中,并从加热步骤中暴露的表面除去(62)少量(78)的材料。 陶瓷层(40)可以沉积(64)在脱硫制品上。 该制品也可以在制造过程中的其它点类似地脱硫。

    Thermal barrier coated articles and method for coating
    9.
    发明公开
    Thermal barrier coated articles and method for coating 失效
    Körpermit Hochtemperatur-Schutzschicht und Verfahren zum Beschichten

    公开(公告)号:EP0780484A1

    公开(公告)日:1997-06-25

    申请号:EP96309109.5

    申请日:1996-12-13

    CPC classification number: C23C28/00 C23C4/02 Y02T50/67

    Abstract: A coating system, coated article and method are provided which yield a thermal barrier coating (26) having good adhesion to a bond coat (24) overlying a metal superalloy substrate (22). The adhesion of the bond coat (24) and the thermal barrier coating (26) (TBC) is achieved by formation of a mature α-Al 2 0 3 (rhombohedral) scale (28) at the bond coat/TBC interface. The adhesion of the thermal barrier coating (26) to the bond coat (24) is enhanced by utilizing one or more of the following steps (1) preoxidation of the bond coat (24), (2) inoculation of the surface of the bond coat (24), (3) surface doping of the bond coat surface, and (4) the addition of noble metals. The above step improves the formation of α-Al 2 0 3 which improves the adhesion of the TBC to the bond coat by avoiding undesired oxide phase transformations.

    Abstract translation: 提供一种涂覆系统,涂层制品和方法,其产生对覆盖在金属超耐热合金基板(22)上的粘合涂层(24)具有良好粘附性的热障涂层(26)。 通过在粘合涂层/ TBC界面处形成成熟的α-Al 2 O 3(菱形)标度(28)来实现粘合涂层(24)和热障涂层(26)(TBC)的粘附。 通过利用以下一个或多个步骤(1)预先氧化粘合涂层(24),(2)接合表面的粘合剂来增强热障涂层(26)对粘结涂层(24)的粘合性 涂层(24),(3)表面掺杂粘合涂层表面,和(4)添加贵金属。 上述步骤改善了α-Al 2 O 3的形成,其通过避免不期望的氧化物相变而改善了TBC对粘结层的粘合性。

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