Method of finishing a fan blade

A method of finishing a fan blade 30 includes bonding a sheath and a cover to an aluminum fan blade 30 with an airfoil 32, a root 34, a leading edge 36 and a tip 38; imparting residual stresses onto the blade; coating the blade to protect exposed areas of the blade; and curing the blade in low-tempe...

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Bibliographische Detailangaben
Hauptverfasser:	Hansen, James O, Hertel, Christopher J, Meyer, Jesse
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHEMISTRY COMBINED OPERATIONS ENGINE PLANTS IN GENERAL GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES NON-POSITIVE DISPLACEMENT PUMPS OTHER WORKING OF METAL PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS
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Beschreibung
Zusammenfassung:	A method of finishing a fan blade 30 includes bonding a sheath and a cover to an aluminum fan blade 30 with an airfoil 32, a root 34, a leading edge 36 and a tip 38; imparting residual stresses onto the blade; coating the blade to protect exposed areas of the blade; and curing the blade in low-temperature cure cycles to preserve residual stresses imparted.