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Methods utilizing cold spray techniques for repairing and protecting rotary components of aviation propulsion systems
Methods utilizing cold spray techniques for repairing and protecting rotary components of aviation propulsion systems
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机译:利用冷喷涂技术修复和保护航空推进系统旋转部件的方法
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摘要
A method of repairing a component comprises identifying a non-compliant surface of the component, wherein the non-compliant surface is not within an allowable tolerance, cold spraying a powder comprising a metal onto the non-compliant surface, and forming a coating comprising the metal over the non-compliant surface, wherein an outer surface of the coating is within an allowable tolerance. In an embodiment, the method of repairing an outer component further comprises machining the outer surface of the coating. In an embodiment, the component is a shaft, a rotor mast, an input quill, or a bearing. In an embodiment, the component contains electronic equipment during the cold spraying, and wherein the cold spraying does not damage the electronic equipment. In an embodiment, the component is repaired without subjecting the component to a hydrogen embrittlement bake.
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