METHOD FOR DIFFUSION WELDING OF DIFFERENT TYPE METALS

FIELD: welding processes and equipment, namely diffusion butt welding of parts of different metals. ^ SUBSTANCE: method comprises steps of making openings in central part of annular blanks and placing blanks one onto another; then placing them into chamber at gaps no more than 1 mm; evacuating chamb...

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Bibliographische Detailangaben
Hauptverfasser:	ELKIN V.N, GORDO V.P, SHEVELEV G.N
Format:	Patent
Sprache:	eng ; rus
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:	FIELD: welding processes and equipment, namely diffusion butt welding of parts of different metals. ^ SUBSTANCE: method comprises steps of making openings in central part of annular blanks and placing blanks one onto another; then placing them into chamber at gaps no more than 1 mm; evacuating chamber; arranging chamber with blanks in fluid-tight space and omnidirectionally compressing chamber by means of neutral gas heated until welding temperature; removing central part from welded annular blanks and making samples of said removed part for testing all welded joints. ^ EFFECT: diffusion butt welding of blanks of different type metals at providing accuracy of their axial sizes, possibility for testing all welded joints of ready articles. ^ 7 cl, 1 ex