MANUFACTURING METHOD OF METALLIC TUBE JOINED BODY

PROBLEM TO BE SOLVED: To provide a manufacturing method of a metallic tube joined body without developing the defects, such as crack on the joined part and also, without deteriorating the mechanical property at the joined part after expanding the tube, even when the expanded tube is applied. SOLUTIO...

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Bibliographische Detailangaben
Hauptverfasser:	HORIO KOJI, KITO KAZUNARI, INAGAKI SHIGEYUKI, HIYAMIZU TAKAO, YAMADA RYUZO
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a manufacturing method of a metallic tube joined body without developing the defects, such as crack on the joined part and also, without deteriorating the mechanical property at the joined part after expanding the tube, even when the expanded tube is applied. SOLUTION: When the metallic tube joined body 1 is manufactured by using a liquid phase diffusion joining method, an insertion material having the melting point Ti lower than the melting point Tb of the metallic tube, is interposed into the joining surfaces 4 of the metallic tubes 2, 3 and heated to an intermediate holding temperature T' satisfying the relation of Ti