Spark plug and method for manufacturing a spark plug

Method for manufacturing a spark plug for a combustion engine, wherein the spark plug has at least two components which are joined by at least one welded joint which has been manufactured in a welding process, wherein for improving selected material properties of the welded joint a laser beam is dir...

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Bibliographische Detailangaben
Hauptverfasser:	Grabner, Roland, Klausner, Johann, Langsenlehner, Manfred
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CLADDING OR PLATING BY SOLDERING OR WELDING CORONA DEVICES CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRICITY GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR OVERVOLTAGE ARRESTERS USING SPARK GAPS PERFORMING OPERATIONS SOLDERING OR UNSOLDERING SPARK GAPS SPARKING PLUGS TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Method for manufacturing a spark plug for a combustion engine, wherein the spark plug has at least two components which are joined by at least one welded joint which has been manufactured in a welding process, wherein for improving selected material properties of the welded joint a laser beam is directed to the welded joint and in that a powder which improves the selected material properties is introduced into the welded joint which is melted on its surface by the laser beam such that the powder melts and due to a connection of the melted powder with the melted aggregate structure of the surface of the welded joint a treated area with improved material properties results.