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    • 10. 发明授权
    • Cold gas-dynamic spray repair on gas turbine engine components
    • 燃气轮机发动机部件采用冷气动喷雾修复
    • US06905728B1
    • 2005-06-14
    • US10806727
    • 2004-03-22
    • Yiping HuMurali MadhavaFederico Renteria
    • Yiping HuMurali MadhavaFederico Renteria
    • B23P6/00C23C24/04C23C26/00F01D5/00B05C13/00
    • B23P6/007B22F7/08C23C24/04C23C26/00F01D5/005F05D2230/80
    • A new method for repairing turbine engine components is provided. The method utilizes a cold gas-dynamic spray technique to repair degradation on turbine blades, vanes and other components. In the cold gas-dynamic spray process particles at a temperature below their fusing temperature are accelerated and directed to a target surface on the turbine blade. When the particles strike the target surface, the kinetic energy of the particles is converted into plastic deformation of the particle, causing the particle to form a strong bond with the target surface. Post-spray processing is then performed to consolidate and homogenize the applied materials and restore integrity to the material properties in the repaired turbine component. Thus, the cold gas-dynamic spray process and post-spray processing can be employed to effectively repair degraded areas on gas turbine components.
    • 提供了一种修复涡轮发动机部件的新方法。 该方法利用冷气动喷雾技术来修复涡轮机叶片,叶片和其他部件上的降解。 在冷气体动态喷雾过程中,低于其定影温度的温度下的颗粒被加速并引导到涡轮叶片上的目标表面。 当颗粒撞击目标表面时,颗粒的动能转化为颗粒的塑性变形,导致颗粒与目标表面形成牢固的结合。 然后进行后喷雾处理以巩固和均化所施加的材料并恢复修复的涡轮机部件中的材料性质的完整性。 因此,可以采用冷气动态喷雾处理和后喷雾处理来有效地修复燃气轮机部件上的退化区域。