Metal component treated by putting sublayers in compression, and method of obtaining such a component

The invention relates to a metal component comprising at least a first zone treated by putting layers beneath the surface thereof in compression. It is characterized in that it comprises at least a first layer put in compression by shot peening and a deeper subjacent second layer put in compression...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	VIGNEAU JOEL OLIVIER ALFRED ABEL
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GRINDING MACHINE TOOLS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS POLISHING SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The invention relates to a metal component comprising at least a first zone treated by putting layers beneath the surface thereof in compression. It is characterized in that it comprises at least a first layer put in compression by shot peening and a deeper subjacent second layer put in compression by laser shock peening. The component may be a turbomachine blade. According to the method, said zone is firstly treated by prestress shot peening followed by compression treatment by laser shock peening.