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公开(公告)号：US09061375B2
公开(公告)日：2015-06-23
申请号：US12645501
申请日：2009-12-23
CPC分类号： B23K26/36 , B23K2101/001 , F01D5/005 , F05D2230/13 , F05D2230/90
摘要： A method is described, for treating a superalloy substrate which includes at least one cavity containing adherent metal oxide material on its surface. A short-pulsed, high repetition rate laser beam is directed against the cavity surface for a period of time sufficient to remove substantially all of the adherent metal oxide material. The laser beam is characterized by a peak power density in the range of about 10 megawatts/cm2 to about 10 gigawatts/cm2. In another embodiment, a high-power, short-pulsed, high repetition rate laser beam is directed to a region on the substrate which includes the cavity, under laser operational conditions which are capable of cutting into the superalloy material; so that a boundary region is formed within the substrate, which encloses the cavity. The cavity can be a crack in a turbine blade, and the crack can be repaired after treatment, by welding, or by another suitable technique.
摘要翻译： 描述了一种用于处理包含在其表面上含有粘附金属氧化物材料的至少一个空腔的超级合金基板的方法。 短脉冲，高重复率激光束被引导到空腔表面一段足以消除基本上所有粘附的金属氧化物材料的时间。 激光束的特征在于峰值功率密度在约10兆瓦/厘米2至约10千兆瓦/平方厘米的范围内。 在另一个实施例中，在能够切入超级合金材料的激光操作条件下，高功率，短脉冲，高重复率激光束被引导到包括空腔的基板上的区域; 使得在衬底内形成边界区域，其围绕腔体。 空腔可以是涡轮叶片中的裂纹，并且可以在处理之后，通过焊接或通过另一种合适的技术来修复裂纹。
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公开(公告)号：US20110168679A1
公开(公告)日：2011-07-14
申请号：US12645501
申请日：2009-12-23
CPC分类号： B23K26/36 , B23K2101/001 , F01D5/005 , F05D2230/13 , F05D2230/90
摘要： A method is described, for treating a superalloy substrate which includes at least one cavity containing adherent metal oxide material on its surface. A short-pulsed, high repetition rate laser beam is directed against the cavity surface for a period of time sufficient to remove substantially all of the adherent metal oxide material. The laser beam is characterized by a peak power density in the range of about 10 megawatts/cm2 to about 10 gigawatts/cm2. In another embodiment, a high-power, short-pulsed, high repetition rate laser beam is directed to a region on the substrate which includes the cavity, under laser operational conditions which are capable of cutting into the superalloy material; so that a boundary region is formed within the substrate, which encloses the cavity. The cavity can be a crack in a turbine blade, and the crack can be repaired after treatment, by welding, or by another suitable technique.
摘要翻译： 描述了一种用于处理包含在其表面上含有粘附金属氧化物材料的至少一个空腔的超级合金基板的方法。 短脉冲，高重复率激光束被引导到空腔表面一段足以消除基本上所有粘附的金属氧化物材料的时间。 激光束的特征在于峰值功率密度在约10兆瓦/厘米2至约10千兆瓦/平方厘米的范围内。 在另一个实施例中，在能够切入超级合金材料的激光操作条件下，高功率，短脉冲，高重复率激光束被引导到包括空腔的基板上的区域; 使得在衬底内形成边界区域，其围绕腔体。 空腔可以是涡轮叶片中的裂纹，并且可以在处理之后，通过焊接或通过另一种合适的技术来修复裂纹。
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3.发明申请公开(公告)号：US20110146576A1
公开(公告)日：2011-06-23
申请号：US12641707
申请日：2009-12-18
CPC分类号： C23C4/134
摘要： Systems for applying a thermal barrier coating to a superalloy substrate including at least one target for supplying a material for making the thermal barrier coating; at least one laser operably directed toward the target for liberating atomic particles from the target; and a plasma torch for generating a plasma for accelerating and depositing the atomic particles onto the superalloy substrate as the thermal barrier coating where the superalloy substrate is a nickel based superalloy or a cobalt based superalloy.
摘要翻译： 用于将热障涂层施加到包括至少一个用于供应用于制造所述热障涂层的材料的靶的超级合金基底的系统; 至少一个激光器可操作地指向靶，用于从靶中释放原子粒子; 以及等离子体焰炬，其用于产生用于将原子粒子加速并沉积到超合金基底上的等离子体，作为超耐热合金基底是镍基超级合金或钴基超级合金的热障涂层。
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4.发明授权Article including a substrate with a metallic coating and a chromium-aluminide protective coating thereon, and its preparation and use in component restoration 失效本文包括其上具有金属涂层的基底和其上的铬铝保护涂层，以及其在部件修复中的用途公开(公告)号：US07060366B2
公开(公告)日：2006-06-13
申请号：US10371744
申请日：2003-02-19
申请人： Bhupendra Kumar Gupta , Wayne Ray Grady , Lyle Timothy Rasch , Thomas Joseph Kelly , Nripendra Nath Das
发明人： Bhupendra Kumar Gupta , Wayne Ray Grady , Lyle Timothy Rasch , Thomas Joseph Kelly , Nripendra Nath Das
CPC分类号： B23P6/007 , C23C10/02 , C23C28/00 , C23C28/321 , C23C28/34 , C23C28/3455 , F01D5/288 , Y02T50/67 , Y10T428/12611 , Y10T428/12618 , Y10T428/12736 , Y10T428/12847 , Y10T428/12861 , Y10T428/12937 , Y10T428/12944
摘要： A coated article has a metallic substrate with a substrate composition, and a metallic coating overlying and contacting the metallic substrate. The metallic coating has a metallic-coating composition different from the substrate composition. A protective coating overlies and contacts the metallic coating. The protective coating includes a chromium aluminide layer overlying and contacting the metallic coating, and optionally a thermal barrier coating overlying and contacting the chromium aluminide layer. This structure may be used to restore a key dimension of an article that has previously been in service and to protect the article as well.
摘要翻译： 涂覆制品具有金属基底，其具有基底组合物，金属涂层覆盖并接触金属基底。 金属涂层具有不同于基底组合物的金属涂层组合物。 保护涂层覆盖并接触金属涂层。 保护涂层包括覆盖并接触金属涂层的铬铝化物层，以及任选地覆盖和接触铬铝化物层的热障涂层。 该结构可以用于恢复先前已经在使用的物品的关键维度并且还保护物品。
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5.发明申请METHODS OF LASER ASSISTED PLASMA COATING AT ATMOSPHERIC PRESSURE AND SUPERALLOY SUBSTRATES COMPRISING COATINGS MADE USING THE SAME 审中-公开激光辅助等离子体涂覆在大气压下的方法和包含使用它的涂料的超合金基材公开(公告)号：US20110151270A1
公开(公告)日：2011-06-23
申请号：US12641695
申请日：2009-12-18
CPC分类号： C23C4/134 , C23C4/11 , Y10T428/12042 , Y10T428/12063 , Y10T428/24997 , Y10T428/256 , Y10T428/257
摘要： Methods of laser assisted plasma coating at atmospheric pressure including providing a plasma, at least one target, at least one laser, and a superalloy substrate, operably directing the laser toward the target to liberate atomic particles from the target and feed the atomic particles into the plasma, and depositing the atomic particles onto the superalloy substrate using the plasma to produce a thermal barrier coating having a column width of from about 0.5 microns to about 60 microns, and an intra column porosity of from about 0% to about 9%.
摘要翻译： 在大气压下激光辅助等离子体涂覆的方法，包括提供等离子体，至少一个靶，至少一个激光器和超合金基底，可操作地将激光瞄准靶，以从靶中释放原子粒子并将原子粒子进入 等离子体，并且使用等离子体将原子粒子沉积到超级合金基底上，以产生具有约0.5微米至约60微米的柱宽度和约0％至约9％的柱内孔隙率的热障涂层。
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公开(公告)号：US07222422B2
公开(公告)日：2007-05-29
申请号：US10708205
申请日：2004-02-16
申请人： Bhupendra Kumar Gupta , Edward John Emilianowicz , Thomas J. Kelly , Glenn H. Nichols , Marek M. Steplewski
发明人： Bhupendra Kumar Gupta , Edward John Emilianowicz , Thomas J. Kelly , Glenn H. Nichols , Marek M. Steplewski
IPC分类号： B23P6/00
CPC分类号： B23P6/005 , B23K1/0008 , Y10T29/301 , Y10T29/302 , Y10T29/49318 , Y10T29/49721 , Y10T29/49723 , Y10T29/49726 , Y10T29/49728 , Y10T29/49732 , Y10T29/49734 , Y10T29/49737 , Y10T29/49742 , Y10T29/49746 , Y10T428/12861
摘要： A process for refurbishing a worn surface of a shroud support component of a turbomachine, as well as a shroud support component refurbished with the process. The process generally entails removing a surface region of the worn surface so as to define a repair surface on the component. A braze tape formed from a slurry to comprise a braze material and a wear-resistant alloy is then applied to the repair surface, followed by a heat treatment to cause the braze tape to diffusion bond to the repair surface so as to define a built-up surface. The built-up surface is then machined to define a wear-resistant coating on the component.
摘要翻译： 用于翻新涡轮机的护罩支撑部件的磨损表面的过程以及用该过程翻新的护罩支撑部件。 该方法通常需要去除磨损表面的表面区域，以便在部件上限定修复表面。 然后将由钎焊材料和耐磨合金制成的浆料形成的钎焊带施加到修复表面上，然后进行热处理，以使钎焊带扩散到修复表面上， 上表面。 然后，加工表面被加工以在部件上限定耐磨涂层。
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7.发明授权Gas turbine engine component having a refurbished coating including a thermally grown oxide 失效具有包括热生长氧化物的翻新涂层的燃气涡轮发动机部件公开(公告)号：US06800376B1
公开(公告)日：2004-10-05
申请号：US10262113
申请日：2002-09-30
申请人： Bhupendra Kumar Gupta , Nripendra Nath Das , Lyle Timothy Rasch , Jeffrey Allen Conner , Michael James Weimer
发明人： Bhupendra Kumar Gupta , Nripendra Nath Das , Lyle Timothy Rasch , Jeffrey Allen Conner , Michael James Weimer
IPC分类号： B32B1500
CPC分类号： C23C4/02 , C23C10/02 , Y10T428/12472 , Y10T428/12611 , Y10T428/12736 , Y10T428/12937 , Y10T428/12944 , Y10T428/12951
摘要： A method is provided for refurbishing a service operated metallic coating on a substrate alloy, the coating including at least within a coating outer surface at least one oxide chemically grown from at least one coating element, for example Al, and chemically bonded with the coating outer surface as a result of thermal exposure during service operation. Growth of the oxide has depleted at least a portion of the coating element from the coating. The method comprises removing the oxide from the coating outer surface while substantially retaining the metallic coating, thereby exposing in the coating outer surface at least one surface void that had been occupied by the oxide. The retained metallic coating is mechanically worked, substantially without removal of the retained coating, to close the void, providing a treated metallic coating surface over which a refurbishing coating is applied. In one form, the mechanical working provides, concurrently, a compressive stress in the substrate alloy beneath the metallic coating.
摘要翻译： 提供了一种用于在基底合金上翻新服务操作的金属涂层的方法，所述涂层至少在涂层外表面内包括至少一种由至少一个涂层元件例如Al化学生长的氧化物，并与涂层外部化学结合 作为在使用操作期间的热暴露的结果。 氧化物的生长已经从涂层中消耗了至少一部分涂层元素。 该方法包括从涂层外表面除去氧化物，同时基本上保持金属涂层，从而在涂层外表面暴露由氧化物占据的至少一个表面空隙。 保留的金属涂层基本上不除去保留的涂层而机械加工，以封闭空隙，提供经过处理的金属涂层表面，在其上施加翻新涂层。 在一种形式中，机械加工同时提供金属涂层下方的基底合金中的压缩应力。
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公开(公告)号：US06503574B1
公开(公告)日：2003-01-07
申请号：US08362050
申请日：1994-12-22
申请人： David William Skelly , Bangalore Aswatha Nagaraj , David John Wortman , David Vincent Rigney , Seetha Ramaiah Mannava , Rudolfo Viguie , Robert William Bruce , Warren Arthur Nelson , Curtis Alan Johnson , Bhupendra Kumar Gupta
发明人： David William Skelly , Bangalore Aswatha Nagaraj , David John Wortman , David Vincent Rigney , Seetha Ramaiah Mannava , Rudolfo Viguie , Robert William Bruce , Warren Arthur Nelson , Curtis Alan Johnson , Bhupendra Kumar Gupta
IPC分类号： B32B904
CPC分类号： F01D5/288 , C23C4/02 , Y02T50/67 , Y02T50/671 , Y10T428/12472 , Y10T428/12611 , Y10T428/12618 , Y10T428/12993 , Y10T428/24521 , Y10T428/24545 , Y10T428/24612
摘要： An article having a substrate is protected by a thermal barrier coating system. An interfacial layer contacts the upper surface of the substrate. The interfacial layer may comprise a bond coat only, or a bond coat and an overlay coat. The interfacial layer has on its upper surface a preselected, controllable pattern of three-dimensional features, such as grooves in a parallel array or in two angularly offset arrays. The features are formed by an ablation process using an ultraviolet laser such as an excimer laser. A ceramic thermal barrier coating is deposited over the pattern of features on the upper surface of the interfacial layer.
摘要翻译： 具有基底的制品由热障涂层系统保护。 界面层接触基板的上表面。 界面层可以仅包含粘结层，或者粘合涂层和覆盖层。 界面层在其上表面上具有三维特征的预选的可控模式，例如平行排列的凹槽或两个角度偏移的阵列。 特征通过使用诸如准分子激光器的紫外激光的消融处理形成。 陶瓷热障涂层沉积在界面层上表面上的特征图案上。
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公开(公告)号：US06465040B2
公开(公告)日：2002-10-15
申请号：US09777636
申请日：2001-02-06
申请人： Bhupendra Kumar Gupta , Nripendra Nath Das , Lyle Timothy Rasch , Jeffrey Allen Conner , Michael James Weimer
发明人： Bhupendra Kumar Gupta , Nripendra Nath Das , Lyle Timothy Rasch , Jeffrey Allen Conner , Michael James Weimer
IPC分类号： B05D312
CPC分类号： C23C4/02 , C23C10/02 , Y10T428/12472 , Y10T428/12611 , Y10T428/12736 , Y10T428/12937 , Y10T428/12944 , Y10T428/12951
摘要： A method is provided for refurbishing a service operated metallic coating on a substrate alloy, the coating including at least within a coating outer surface at least one oxide chemically grown from at least one coating element, for example Al, and chemically bonded with the coating outer surface as a result of thermal exposure during service operation. Growth of the oxide has depleted at least a portion of the coating element from the coating. The method comprises removing the oxide from the coating outer surface while substantially retaining the metallic coating, thereby exposing in the coating outer surface at least one surface void that had been occupied by the oxide. The retained metallic coating is mechanically worked, substantially without removal of the retained coating, to close the void, providing a treated metallic coating surface over which a refurbishing coating is applied. In one form, the mechanical working provides, concurrently, a compressive stress in the substrate alloy beneath the metallic coating.
摘要翻译： 提供了一种用于在基底合金上翻新服务操作的金属涂层的方法，所述涂层至少在涂层外表面内包括至少一种由至少一个涂层元件例如Al化学生长的氧化物，并与涂层外部化学结合 作为在使用操作期间的热暴露的结果。 氧化物的生长已经从涂层中消耗了至少一部分涂层元素。 该方法包括从涂层外表面除去氧化物，同时基本上保持金属涂层，从而在涂层外表面暴露由氧化物占据的至少一个表面空隙。 保留的金属涂层基本上不除去保留的涂层而机械加工，以封闭空隙，提供经过处理的金属涂层表面，在其上施加翻新涂层。 在一种形式中，机械加工同时提供金属涂层下方的基底合金中的压缩应力。
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公开(公告)号：US06434823B1
公开(公告)日：2002-08-20
申请号：US09685262
申请日：2000-10-10
IPC分类号： B23P1500
CPC分类号： B23P6/007 , B23P6/045 , C23C10/02 , C23C28/00 , C23F1/12 , C23F1/44 , Y10T29/49318 , Y10T29/49336 , Y10T29/49746
摘要： A method is provided for repairing an article having a fissure in a metallic overlay environmental resistant coating that includes the element Al, for example an overlay coating of the MCrAlY type. The method depletes more than about 90 wt. % of the Al from an exposed coating surface within the fissure and from a coating outer surface adjacent the fissure, to a depth of at least about 7 mils, without removal of the coating and while substantially maintaining the coating thickness. Thereafter, the fissure is repaired.
摘要翻译： 提供了一种在金属覆盖环境保护涂层中修复具有裂缝的制品的方法，其包括元件Al，例如MCrAlY型的覆盖涂层。 该方法耗尽超过约90wt。 来自裂缝内的暴露的涂层表面和邻近裂缝的涂层外表面的Al的至少约7密耳的深度的Al，而不去除涂层并且同时基本上保持涂层厚度。 此后，修复了裂缝。
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