Patent application number | Description | Published |
20090134133 | Preheating temperature during welding - The invention relates to a method of welding locally a surface of a Ni base, especially a single crystal superalloy substrate using a laser beam while preheating the substrate to an optimized temperature for the purpose of repairing cracks. Welding repair of single crystal super alloys often leads to two main types of defects: cracks and spurious grains. Both defects can be avoided using an optimized preheating temperature set to higher than 500° C. | 05-28-2009 |
20100237049 | Preheating temperature during remelting - A method of welding a component is provided. The component is welded using a preheating temperature of the component below 500° C. and above 400° C., wherein no material is added to an area to be welded. | 09-23-2010 |
20110000891 | Heating device for a turbine blade and welding method - During the welding of components, the components are preheated to avoid stresses. A device is provided for heating a turbine blade or vane in that a heating coil is arranged in a particular manner to obtain a temperature gradient in a component. A process for welding a turbine blade or vane is also provided. | 01-06-2011 |
20110020127 | Component Comprising Overlapping Weld Seams and Method for the Production Thereof - A turbine blade or vane with a platform and two overlapping weld seams, each weld seam having a width, is provided. An overlapping region of the two weld seams is 40% to 60% of the width of one weld seam. The weld seams run parallel or perpendicularly to the platform of the turbine blade or vane. Further, a method for welding a turbine blade or vane is provided. | 01-27-2011 |
20110031226 | Method for Welding Depending on a Preferred Direction of the Substrate - Welding repairs are often carried out on directionally solidified components that nevertheless do not possess the desired crystallographic surface alignment, which reduces mechanical strength. The method provided selects the direction of travel depending on the crystallographically preferred direction of the substrate such that no more misorientations occur. A laser beam may be used for remelting. | 02-10-2011 |
20110056919 | Method for Fusing Curved Surfaces, and a Device - A method for fusing a curved surface of a substrate is provided. An energy beam with an energy source and a curved surface of a substrate are provided. The energy beam and/or the substrate are moved toward one another in order to fuse the curved surface and an orientation of the energy beam in relation to the curved surface is varied during the fusing of the curved surface. | 03-10-2011 |
20110062120 | Device for welding using a process chamber and welding method - A device and a method for welding a component are provided. The component is arranged and welded in a chamber. A welding appliance is provided, the welding appliance being arranged outside the chamber. | 03-17-2011 |
20110100964 | WELDING PROCESS WITH A CONTROLLED TEMPERATURE PROFILE AND A DEVICE THEREFOR - A welding method in which the power is controlled in accordance with the temperature of the welding point is provided. The temperature of the welding point is lowered in a controlled manner at the end of the method and the temperature of this welding point is measured by a temperature measuring appliance. | 05-05-2011 |
20110111248 | Component Having Weld Seam and Method for Producing a Weld Seam - During welding, frequently cracks develop at the end of the weld seam. A method is provided in which the power is reduced at the end of the weld seam, reducing the development of cracks. For the method, a welding appliance is used wherein the welding appliance may be a laser. | 05-12-2011 |