AN APPARATUS AND PROCESS FOR JOINING HOMOGENEOUS AND HETEROGENEOUS MATERIALS WITH CUSTOMIZED INTERFACE PROPERTIES

An apparatus and method for improving friction spot welding process is described herein. According to the method of the present invention, two different metal sheets of similar or dissimilar material can be joined together with the help of a filler material that is filled in a cavity formed at the t...

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Bibliographische Detailangaben
1. Verfasser:	ISHTIAQ AHMED KHAN
Format:	Patent
Sprache:	eng ; por
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS FORGE FURNACES FORGING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAMMERING HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING SOLDERING OR UNSOLDERING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	An apparatus and method for improving friction spot welding process is described herein. According to the method of the present invention, two different metal sheets of similar or dissimilar material can be joined together with the help of a filler material that is filled in a cavity formed at the top of the upper metal sheet. Additionally, either a reinforcement material or an alloy element or combination of both is added in the cavity. The material is plasticized as the filler material is rotated and pushed in the cavity under the application of force. The weld is completed by filling the entire filler material at the weld interface. The addition of reinforcement material or an alloy element enables in customization of interface material properties enhancing the joint strength.