Titanium alloy pipe welding method

The invention relates to a titanium alloy pipe welding method. According to the welding method, for a pipe of which the two ends are welding ends, when a first welding end is welded, a first inflation hole and a second welding end are in a blocked state, an inner cavity of the pipe is filled with in...

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Bibliographische Detailangaben
Hauptverfasser:	JIN XIN, SONG LI, WANG JIANQUAN, LI YONGCHUAN, ZHAO BIN, XIE JINMING, ZHAO KUN, LIU BEICHUAN, ZHOU MENG, WANG XIANGYANG
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 invention relates to a titanium alloy pipe welding method. According to the welding method, for a pipe of which the two ends are welding ends, when a first welding end is welded, a first inflation hole and a second welding end are in a blocked state, an inner cavity of the pipe is filled with inert gas through a second inflation hole for exhausting air in the inner cavity of the pipe, and after the air is exhausted, arc welding is started to perform on the first welding end; and when the second welding end is welded, the second inflation hole and the first welding end are in a blocked state, the inner cavity of the pipe is inflated with inert gas through the first inflation hole so that air in the inner cavity of the pipe can be exhausted, and after the air is exhausted, arc welding is started to be conducted on the second welding end. According to the welding method, the pipe is used as a sealing cavity, a good protection atmosphere can be created by introducing inert gas, structures such as a box body o