期刊
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
卷 149, 期 1-3, 页码 546-552出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jmatprotec.2003.12.026
关键词
Ti6Al4V; CO2; laser beam welding; bead on plate; mechanical characterization
This research work deals with the most commonly used titanium alloy, Ti6Al4V. Lap and butt laser welding processes were studied and tested by a CO2 laser system using two covering gases (He and Ar) with different welding covering gas nozzles, gas pressure and flow rates. A metallographic analysis of the cross-sections of welded specimens was carried out in order to measure the morphological characteristics of the welded joint, and micro-hardness and tensile tests were performed to complete the mechanical characterization. (C) 2004 Elsevier B.V. All rights reserved.
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