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21. 发明申请

WO2015017631A1 METHODS AND PREFORMS TO MASK HOLES AND SUPPORT OPEN-SUBSTRATE CAVITIES DURING LASER CLADDING 审中-公开
标题翻译：在激光切割过程中掩盖孔和支撑开放基材的方法和前提
公开(公告)号：WO2015017631A1
公开(公告)日：2015-02-05
申请号：PCT/US2014/049080
申请日：2014-07-31
申请人： SIEMENS ENERGY, INC.
发明人： BRUCK, Gerald J. , KAMEL, Ahmed
IPC分类号： B23P6/00 , B23K1/00 , B23K1/005 , B23K1/20 , B23K25/00 , B23K26/34
CPC分类号： B05D3/0254 , B05D2202/00 , B05D2401/40 , B22F3/1055 , B22F2003/1058 , B22F2005/103 , B22F2007/068 , B23K26/34 , B23K26/706 , B23K2201/001 , B23K2203/26 , B23P6/007 , B23P2700/06 , F01D5/005 , F01D5/186 , F01D5/288 , F05D2230/22 , Y02P10/295 , Y10T428/31678
摘要： This invention relates to methods in which a protective material (44) is introduced into a metallic component, or is used to block a hole (48) in the metallic component, a filler material (34) is pre-placed or directed to an external surface of the metallic component, the filler material is heated with at least one energy beam (40) to melt or sinter a metal powder (36) contained in the filler material to form a cladding layer (16), and the protective material is removed from the metallic component, such that the protective material contains, or generates upon being heated, a protective substance. The present invention also relates to preforms (72) containing an upper section (74) containing a powdered metal (36) and a flux (38), and a lower section (76) containing a protective material (78), such that the protective material contains, or generates upon being heated, a protective substance.
摘要翻译：本发明涉及将保护材料（44）引入金属部件中或用于阻挡金属部件中的孔（48）的方法，填充材料（34）被预先放置或引导到外部金属部件的表面，填充材料用至少一个能量束（40）加热以熔化或烧结填充材料中包含的金属粉末（36）以形成包层（16），并且保护材料被去除使得保护性材料含有或在加热时产生保护性物质。本发明还涉及包含含有粉末金属（36）和助熔剂（38）的上部（74）和含有保护材料（78）的下部（76）的预成型件（72），使得保护性材料含有或在加热时产生保护物质。

22. 发明申请

WO2014209581A1 METHOD FOR CREATING A TEXTURED BOND COAT SURFACE 审中-公开
标题翻译：用于创建纹理粘合层表面的方法
公开(公告)号：WO2014209581A1
公开(公告)日：2014-12-31
申请号：PCT/US2014/041483
申请日：2014-06-09
申请人： SIEMENS ENERGY, INC.
发明人： MERRILL, Gary B. , KAMEL, Ahmed
IPC分类号： C23C4/00 , C23C4/02 , C23C4/08 , C23C4/18 , C23C28/02 , C23C28/00 , F01D5/28
CPC分类号： C23C4/18 , C23C2/30 , C23C4/01 , C23C4/02 , F01D5/288
摘要： A method for creating a textured surface (52) of bond coat material (18) for improving the performance of a thermal barrier coating system (12). A plurality of columns (62) of bond coat material are formed by spraying (52) the material through a corresponding plurality of openings (32) in a mask (30) applied to a surface (40) to be textured. The openings may be formed in only a region (34) of the mask in response to an image of the surface to be textured. The mask and excess material (54) applied over the mask are then removed to reveal the textured surface.
摘要翻译：一种用于形成粘合涂层材料（18）的纹理表面（52）的方法，用于改善热障涂层系统（12）的性能。通过在施加到待纹理的表面（40）的掩模（30）中的相应的多个开口（32）喷涂（52）材料来形成多个接合涂层材料的柱（62）。响应于要纹理化的表面的图像，可以仅在掩模的区域（34）中形成开口。然后移除施加在掩模上的掩模和多余材料（54）以露出纹理表面。

23. 发明申请

WO2014158349A1 NEAR EUTECTIC COMPOSITION NICKEL BASE SANDWICH BRAZE FOIL 审中-公开
标题翻译：近乎防腐组合镍基碱性三明治
公开(公告)号：WO2014158349A1
公开(公告)日：2014-10-02
申请号：PCT/US2014/014417
申请日：2014-02-03
申请人： SIEMENS ENERGY, INC.
发明人： OZBAYSAL, Kazim , KAMEL, Ahmed
IPC分类号： B23K35/30 , B23K35/32 , B23K35/02 , C22C19/05
CPC分类号： B23K35/0238 , B23K35/0233 , B23K35/3033 , B23K35/304 , B23K35/32 , B23K35/325 , C22C19/007 , C22C19/05 , C22C19/057 , Y10T428/12438
摘要： A braze foil (10) formed of a plurality of layers (12, 14, 16) of differing compositions wherein a combined melt of the foil has a desired braze composition, and wherein each layer is sufficiently ductile to be rolled into foil form, even though the desired braze composition is too strong or brittle to be fabricated as a foil. Each interface (18,20) between layers may establish a near eutectic composition for initiating melting at the eutectic temperature, with the layer thicknesses selected so that as melting progresses away from the interfaces, the near eutectic composition is maintained within the melt puddles. For certain nickel-based superalloy brazing applications, a foil having a layer of pure titanium, hafnium or zirconium may be sandwiched between respective alloy layers of 5-22% chrome - balance nickel
摘要翻译：由不同组成的多个层（12,14,16）形成的钎焊箔（10），其中所述箔的组合熔体具有期望的钎焊组合物，并且其中每个层具有足够的延性以轧制成箔形式，甚至尽管所需的钎焊组合物太强或不易于制成箔。层之间的每个界面（18,20）可以建立近共晶组合物，用于在共晶温度下引发熔融，其中选择层厚度，使得当熔融进入界面时，近共晶组合物保持在熔融水坑内。对于某些镍基超级合金钎焊应用，具有纯钛，铪或锆的层的箔可以夹在5-22％的铬平衡镍的各合金层之间

24. 发明申请

WO2014120729A1 LASER MICROCLADDING USING POWDERED FLUX AND METAL 审中-公开
标题翻译：使用粉末金属和金属的激光微孔
公开(公告)号：WO2014120729A1
公开(公告)日：2014-08-07
申请号：PCT/US2014/013541
申请日：2014-01-29
申请人： SIEMENS ENERGY, INC.
发明人： BRUCK, Gerald J. , KAMEL, Ahmed , OTT, Michael
IPC分类号： B23K26/14 , B23K26/34 , F01D5/00
CPC分类号： B23K26/34 , B23K26/144 , B23K26/342 , F01D5/005
摘要： A laser microcladding process utilizing powdered flux material (93b). A jet (92) of propellant gas containing powdered alloy material (93a) and the powdered flux material are directed toward a substrate (94). The powdered materials are melted by a laser beam (96) to form a weld pool (98) which separates into a layer of slag (100) covering a layer of clad alloy material (102). The flux material deoxidizes the weld pool and protects the layer of clad alloy material as it cools, thereby allowing the propellant gas to be nitrogen or air rather than an inert gas. In one embodiment, the substrate and alloy materials are superalloys with compositions beyond the traditional zone of weldability.
摘要翻译：使用粉末焊剂材料（93b）的激光微包层工艺。含有粉末合金材料（93a）和粉末状助焊剂材料的推进剂气体喷射（92）被引向基板（94）。粉末材料通过激光束（96）熔化以形成熔池（98），其分成覆盖一层包层合金材料（102）的熔渣层（100）。焊剂材料使熔池脱氧，并在包层合金材料冷却时保护层，从而允许推进剂气体为氮气或空气而不是惰性气体。在一个实施方案中，基材和合金材料是具有超过传统可焊接区域的组合物的超合金。

25. 发明申请

WO2022159363A1 SUPERALLOY POWDER MIXTURE FOR LIQUID ASSISTED ADDITIVE MANUFACTURING OF A SUPERALLOY COMPONENT 审中-公开
公开(公告)号：WO2022159363A1
公开(公告)日：2022-07-28
申请号：PCT/US2022/012713
申请日：2022-01-18
申请人： SIEMENS ENERGY, INC.
发明人： OZBAYSAL, Kazim , KAMEL, Ahmed
IPC分类号： B22F10/18 , B22F10/25 , B22F10/28 , B23K26/342 , B23K35/30 , C22C1/04 , C22C19/00 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C22C19/05 , C22C30/00 , C22F1/10
摘要： A superalloy powder mixture is provided for use with additive manufacturing or welding metal components or portions thereof. The superalloy powder mixture includes at least 51% by weight a high melt superalloy powder and at least 5% by weight a low melt superalloy powder. The low melt superalloy powder may have a solidus temperature lower than the solidus temperature of the high melt superalloy powder by between 50°C and 220°C. Each of the high melt superalloy powder, the low melt superalloy powder, and the superalloy powder mixture may have a nickel content by weight greater than 40% and may have an aluminum content by weight of greater than 1.5%. The low melt superalloy powder may include at least 5% by weight of tantalum, and the high melt superalloy powder may include less than half the content by weight percent of tantalum compared to the content by weight percent of tantalum in the low melt superalloy powder.

26. 发明申请

WO2020040733A1 SECTION REPLACEMENT OF A TURBINE AIRFOIL WITH A METALLIC BRAZE PRESINTERED PREFORM 审中-公开
公开(公告)号：WO2020040733A1
公开(公告)日：2020-02-27
申请号：PCT/US2018/047137
申请日：2018-08-21
申请人： SIEMENS ENERGY, INC.
发明人： OZBAYSAL, Kazim , KAMEL, Ahmed
IPC分类号： B23K1/00 , B23K35/00
摘要： A method of repairing an airfoil is provided. The method includes providing an airfoil with a damaged section and removing the damaged section by machining or cutting an upper section of the airfoil. A replacement section is configured to mate with an upper surface of the airfoil. A presintered preform is provided to join the airfoil and the replacement sections through a resistance brazing process. The presintered preform is configured to mate with the upper surface of the airfoil and a lower surface of the replacement section and inserted between this upper surface and lower surface, creating a stacked airfoil comprising three mated sections in abutting contact. The stacked airfoil is resistance brazed such that only the braze material of the presintered preform melts and the upper surface of the airfoil and the lower surface of the replacement section remain below the grain boundary temperature of the material of the airfoil.

27. 发明申请

WO2019094036A1 MANUFACTURING METHOD FOR HARD-TO-WELD MATERIALS 审中-公开
公开(公告)号：WO2019094036A1
公开(公告)日：2019-05-16
申请号：PCT/US2017/061251
申请日：2017-11-13
申请人： SIEMENS AKTIENGESELLSCHAFT , SIEMENS ENERGY, INC.
发明人： BURBAUM, Bernd , HANEBUTH, Henning , KAMEL, Ahmed , LORENZ, Thomas , OZBAYSAL, Kazim , REINKENSMEIER, Ingo
IPC分类号： F01D5/00 , B23K26/342 , B23K1/00 , B23K35/30 , B23K35/02 , B23P6/00 , B23K101/00
摘要： A method of manufacturing a hard-to-weld material by a beam-assisted additive manufacturing process is presented. The method includes depositing a first layer for the material onto the substrate, the first layer including a major fraction of a base material for the component and a 5 minor fraction of a solder, depositing a second layer of the base material for the component and a thermal treatment of the layer arrangement. The thermal treatment includes a first thermal cycle at a first temperature above 1200°C for a duration of more than 3 hours, a subsequent second thermal cycle at a second temperature above 1000°C for more than 2 hours, and a 10 subsequent third thermal cycle and a third temperature above 700°C for more than 12 hours. A manufactured component is also presented.

28. 发明申请

WO2017011241A1 SLAG FREE FLUX FOR ADDITIVE MANUFACTURING 审中-公开
标题翻译：用于添加剂制造的SLAG FREE FLUX
公开(公告)号：WO2017011241A1
公开(公告)日：2017-01-19
申请号：PCT/US2016/041097
申请日：2016-07-06
申请人： SIEMENS ENERGY, INC.
发明人： BRUCK, Gerald J. , KAMEL, Ahmed
IPC分类号： B23K35/36 , B23K26/00
CPC分类号： B23K35/365 , B23K26/00 , B23K26/342 , B23K35/0255 , B23K35/3602 , B23K35/3603 , B23K35/3605 , B23K35/3607 , B23K35/3608 , B23K35/361
摘要： A flux (55) for superalloy laser welding and additive processing (20, 50), including constituents which decompose when heated in a laser induced plasma or to a melt temperature of the superalloy (42), creating one or more gases (46) that blanket the melt to protect it from air, while producing not more than 5 wt. % of slag relative to the weight of the flux. Embodiments may further include compounds providing one or more functions of surface cleaning, scavenging of impurities in the melt, and elemental additions to the superalloy.
摘要翻译：一种用于超级合金激光焊接和添加剂加工（20,50）的焊剂（55），包括当在激光诱导等离子体中加热时分解的成分或高温合金（42）的熔融温度而分解的成分，形成一种或多种气体（46），覆盖熔体以保护其免受空气侵害，同时产生不超过5wt。渣的％相对于助焊剂的重量。实施方案可以进一步包括提供表面清洁，清除熔体中杂质的一种或多种功能以及向超级合金元素添加的化合物。

29. 发明申请

WO2016209576A1 REPAIR WELDING METHOD FOR SUPERALLOYS 审中-公开
标题翻译：维修超级焊接方法
公开(公告)号：WO2016209576A1
公开(公告)日：2016-12-29
申请号：PCT/US2016/035394
申请日：2016-06-02
申请人： SIEMENS ENERGY, INC.
发明人： BRUCK, Gerald J. , KAMEL, Ahmed
IPC分类号： B23K31/00 , B23K26/34 , B23P6/00 , B23P6/04 , F01D5/00
CPC分类号： B23K26/34 , B23K26/32 , B23K2201/001 , B23P6/002 , B23P6/045 , F01D5/005 , F05D2230/21 , F05D2230/234
摘要： A method of welding with low shrinkage stress, including forming an excavation (42, 70) in a surface (24, 76) of a substrate (24, 76) with a shallow geometry (D, W, A) limited to surfaces oriented within 45 degrees of the surface. Molten weld metal (46, 80) in the excavation solidifies with largely unopposed shrinkage vectors directed toward the substrate within 45 degrees of normal to the surface. The molten metal may be warmed along the sides of the excavation (42A, 42B) so it solidifies upward (56) from the bottom, rather than from the sides inward. A metal insert (78, 84) may be fitted into the excavation and welded along the interface between them using a process that minimizes mechanical restraint on the weld by accommodating weld shrinkage.
摘要翻译：一种具有低收缩应力的焊接方法，包括在具有浅几何形状（D，W，A）的衬底（D，W，A）的表面（24,76）中形成挖掘（42,70） 45度的表面。在开挖中的熔融焊接金属（46,80）在与表面垂直的45度内朝向基板的大部分未暴露的收缩向量固化。熔融金属可以沿着挖掘（42A，42B）的侧面加热，从而从底部向上（56）固化，而不是从侧面向内固化。金属插入件（78,84）可以通过使焊缝的机械约束最小化的方法沿着它们之间的界面装配到挖掘中并被焊接。

30. 发明申请

WO2016060799A1 LASER ADDITIVE MANUFACTURE OF THREE-DIMENSIONAL COMPONENTS CONTAINING MULTIPLE MATERIALS FORMED AS INTEGRATED SYSTEMS 审中-公开
标题翻译：包含多个材料的三维组件的激光加工制造作为集成系统
公开(公告)号：WO2016060799A1
公开(公告)日：2016-04-21
申请号：PCT/US2015/051569
申请日：2015-09-23
申请人： SIEMENS ENERGY, INC.
发明人： BRUCK, Gerald J. , KAMEL, Ahmed , SUBRAMANIAN, Ramesh
IPC分类号： B22F3/105 , B22F5/04 , B22F7/00 , B33Y30/00 , B33Y70/00
CPC分类号： B22F3/1055 , B22F5/04 , B22F7/06 , B23K35/0244 , B23K35/3602 , B23K35/3603 , B23K35/3605 , B23K35/362 , B29C64/153 , B33Y10/00 , B33Y30/00 , B33Y70/00 , C03C8/02 , Y02P10/295
摘要： Methods for laser additive manufacture are disclosed in which a plurality of powder layers (48, 50 and 52) are delivered onto a working surface (54A) to form a multi-powder deposit containing at least two adjacent powders layers in contact, and then applying a first laser energy (74) to a first powder layer (48) and a second laser energy (76) to a second powder layer (52) to form a section plane of a multi-material component. The multi-powder deposit may include a flux composition that provides at least one protective feature. The shapes, intensities and trajectories of the first and second laser energies may be independently controlled such that their widths are less than or equal to widths of the first and second powder layers, their intensities are tailored to the compositions of the powder layers, and their scan paths define the final shape of the multi-material component.
摘要翻译：公开了用于激光添加剂制造的方法，其中多个粉末层（48,50和52）被输送到工作表面（54A）上以形成包含至少两个接触的相邻粉末层的多粉末沉积，然后施加第一激光能量（74）到第一粉末层（48）和第二激光能量（76）到第二粉末层（52）以形成多材料部件的截面。多粉末沉积物可以包括提供至少一个保护特征的助熔剂组合物。可以独立地控制第一和第二激光能量的形状，强度和轨迹，使得其宽度小于或等于第一和第二粉末层的宽度，其强度根据粉末层的组成而定制，扫描路径定义多材料部件的最终形状。

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