METALLURGICALLY BONDED WEAR RESISTANT TEXTURE COATINGS FOR ALUMINUM ALLOYS AND METAL MATRIX COMPOSITE ELECTRODE FOR PRODUCING SAME

A coating process using a welding electrode comprises the steps of: electro-spark depositing a composite on to a substrate, wherein the composite consists essentially of alumina particles in a matrix, wherein the matrix is a metal selected from the group consisting of aluminum or an aluminum alloy....

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Bibliographische Detailangaben
Hauptverfasser:	Downie Joseph A, Warnes Bruce M, Kaufold Roger W, Towns Andrew C
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS APPARATUS THEREFOR CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A coating process using a welding electrode comprises the steps of: electro-spark depositing a composite on to a substrate, wherein the composite consists essentially of alumina particles in a matrix, wherein the matrix is a metal selected from the group consisting of aluminum or an aluminum alloy. The substrate herein is an aluminum alloy. The coatings involve only aluminum and aluminum compounds, thereby intermetallic compound formation and galvanic corrosion of the coating-substrate materials system is avoided.