A METHOD OF DIFFUSION BONDING

The present invention relates to a method of diffusion bonding metal or metal alloy containing workpieces, the method comprising (a) coating the bonding surfaces of the metal or metal alloy containingworkpieces with a layer of a coating material, (b) abrading the coated bonding surfaces top remove s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GUNNER ALEC GORDON, LUDFORD NICHOLAS PHILIP
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The present invention relates to a method of diffusion bonding metal or metal alloy containing workpieces, the method comprising (a) coating the bonding surfaces of the metal or metal alloy containingworkpieces with a layer of a coating material, (b) abrading the coated bonding surfaces top remove surface oxide, the coating material being in a liquid form, (c) removing excess coating material orexcess abraded metal or metal alloy containing workpiece material from the coated bonding surfaces, and (d) diffusion bonding the coated bonding surfaces of the metal or metal alloy containing workpieces together, wherein the coating material is operable to form a stable barrier on the bonding surfaces of the metal or metal alloy containing workpieces under ambient conditions, and evaporates fromthe bonding surfaces of the metal or metal alloy containing workpieces under diffusion bonding conditions. The invention also relates to a bonded workpiece formed using the method of diffusion bondingmetal or metal alloy contai