Journal
MATERIALS AND MANUFACTURING PROCESSES
Volume 25, Issue 11, Pages 1309-1316Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10426914.2010.512648
Keywords
Arc; Fiber; Hybrid; Laser; Parameter; Strength; Titanium; Weld
Funding
- Advanced Steel Processing and Products Research Center, Daido Steel Co., Ltd., Japan
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A series of fiber laser-metal inert gas (MIG) hybrid welding experiments were carried out on the commercially pure titanium (CP-Ti) sheets to investigate the effects of the welding parameters, such as MIG welding current, welding speed, laser-arc distance, defocused distance of laser beam and gap, on the bead appearance, weld shape, and tensile properties of the welded joints. The results show that fiber laser-MIG hybrid process parameters were of considerable importance for the bead appearance, weld width, and elongation of the welded joints. However, ultimate tensile strength (UTS) of the welded joints in CP-Ti was not obviously influenced by the process parameters owing to a higher microhardness in the fusion zone compared to the base metal.
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