Flash welding method

The invention discloses a flash welding method, and relates to the technical field of welding. The flash welding method comprises the steps of clamping and centering, flash heating, end surface vibration, abutting seam-closing, extrusion rejection, plastic deformation heating, fine crystal grinding,...

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Hauptverfasser:	TAN KELI, DUAN LIHUA, XIAO DONGLIN
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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creator	TAN KELI DUAN LIHUA XIAO DONGLIN
description	The invention discloses a flash welding method, and relates to the technical field of welding. The flash welding method comprises the steps of clamping and centering, flash heating, end surface vibration, abutting seam-closing, extrusion rejection, plastic deformation heating, fine crystal grinding, upsetting welding and pressure-maintaining cooling. On the basis of existing flash welding, the five key steps of end surface vibration, abutting seam-closing, extrusion rejection, plastic deformation heating and fine crystal grinding are added, molten metal, overburnt structures, oxide inclusions and the like in a connection surface area can be extruded out of a connection surface, and molten crystal substances, impurities and other foreign matters in the connection surface area are broken and discharged out of a joint; and the plasticity of the metal in the connection area reaches a thermoplastic state within a predetermined depth range, the grain structure in the connection surface area is refined, mutual diffu
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language	chi ; eng
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subjects	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
title	Flash welding method
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