Invention Grant
US4842663A Steam turbine blade anti-erosion shield and method of turbine blade repair 失效
蒸汽轮机叶片防侵蚀盾构和涡轮叶片修复方法

Steam turbine blade anti-erosion shield and method of turbine blade
repair
Abstract:
An arcuate anti-erosion shield of stellite or the like has an inner surface with a film supported adhesive attached thereto and gasket strips formed from a fluoroelastomer along the edges thereof. The method of repair of an eroded shield is disclosed in which the eroded shield is removed, welding material dissolved by acid, and the blade sandblasted. The film is removed from the shield and the shield installed on the turbine blade. Pressure and heat is applied to the shield to thermoset the adhesive.
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