摘要:
PROBLEM TO BE SOLVED: To provide a coating method and a pressure masking system for controlling a coating microstructure.SOLUTION: A coating method for coating a target surface of an object having one or more passages includes the steps of: fluidly connecting a temperature control fluid to at least one passage; and making the temperature control fluid pass through at least one passage. The temperature control fluid at least partially controls the temperature profile of the object to coat the target surface. The temperature profile of the object at least partially controls a coating microstructure.
摘要:
PROBLEM TO BE SOLVED: To perform pressure coating on a target surface, of an article, formed on an outer surface of the article and includes one or more grooves.SOLUTION: A pressure masker including a pressurized masking fluid is connected to one or more coolant supply holes at a first side of an article in a fluid-like manner. The coolant supply hole is fluid-communicated with a groove. The pressurized masking fluid is supplied from the first side through the groove to a second side including a target surface with pressure lower than coating pressure of a coating material, the target surface is coated with the coating material, and the groove is bridged by the coating material, thereby forming a micro channel. Since the pressurized masking fluid passes through the groove, the coating material is prevented from permanently changing a sectional area of the groove along the length thereof.
摘要:
A method is described that can be used in electrodes for electrochemical devices and includes disposing a precious metal on a top surface of a corrosion-resistant metal substrate. The precious metal can be thermally sprayed onto the surface of the corrosion-resistant metal substrate to produce multiple metal splats. The thermal spraying can be based on a salt solution or on a metal particle suspension. A separate bonding process can be used after the metal splats are deposited to enhance the adhesion of the metal splats to the corrosion-resistant metal substrate. The surface area associated with the splats of the precious metal is less than the surface area associated with the top surface of the corrosion-resistant metal substrate. The thermal spraying rate can be controlled to achieve a desired ratio of the surface area of the metal splats to the surface area of the corrosion-resistant metal substrate.
摘要:
PROBLEM TO BE SOLVED: To provide a method of coating a corner interface of a turbine system.SOLUTION: A method of coating a corner interface of a turbine system includes a step of placing a mesh assembly proximate the corner interface. The method also includes a step of depositing a coating onto and through the mesh assembly into the corner interface, wherein the mesh assembly dampens a kinetic energy of the coating and secures the coating proximate the corner interface.
摘要:
PROBLEM TO BE SOLVED: To provide a slide bearing that has excellent encapsulation performance for foreign matter while having excellent abrasion resistance of a sliding layer, and to provide a method for forming the sliding bearing.SOLUTION: In a slide bearing 1 having a support layer and a slide layer 3, the slide layer 3 is divided into at least one first region 8 and at least one second region 9 in a plain surface, and at least the one first region 8 is made of A1Sn40Cu, and at least the one second region 9 is made of a white metal.
摘要:
PROBLEM TO BE SOLVED: To provide a method of fabricating a component of a structure with enhanced cooling performance, in such a component as a gas turbine blade, which is constituted of a substrate and a coating.SOLUTION: The method of fabricating the component 100 having at least one hollow interior space 114, includes: depositing a first coating layer 54 on an outside surface 112 of the substrate 110; and machining the substrate 110 through the first coating layer 54, to define one or more opening(s) in the layer 54 and to form respective one or more groove(s) 132 in the outside surface of the substrate 110. Each groove 132 extends at least partially along the surface of the substrate 110. The fabrication method further includes depositing a second layer 56 of a structural coating over the first layer 54 of the structural coating and over the groove(s) 132, such that the groove(s) 132 and the second layer 56 of the structural coating together define one or more channel(s) 130 for cooling the component 100.