Spark plug electrode and method for manufacturing this spark plug electrode and spark plug including a spark plug electrode

A spark plug electrode includes an electrode base body made of a first material and an ignition element made of a second material and forming an ignition surface for a spark plug. The electrode base body and the ignition element are integrally joined to each other via a welding seam. A mixing rate f...

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Bibliographische Detailangaben
Hauptverfasser:	Quest, Dennis, Tang, Zhuo, Nufer, Stefan
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:	A spark plug electrode includes an electrode base body made of a first material and an ignition element made of a second material and forming an ignition surface for a spark plug. The electrode base body and the ignition element are integrally joined to each other via a welding seam. A mixing rate for the first or second materials is less than 15 weight percent in a half of the welding seam adjacent to the ignition element. A method for manufacturing a spark plug electrode includes: providing an electrode base body and an ignition element; carrying out a welding process joining the electrode base body and the ignition element while forming a welding seam, where a welding beam guided over the surface of the spark plug electrode by tilting a reflection element, thereby producing a welding seam at a joining point between the electrode base body and the ignition element.