Journal
MATERIALS AND MANUFACTURING PROCESSES
Volume 26, Issue 5, Pages 684-693Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10426910903496813
Keywords
Arc power; Arc sound; Depth of penetration; HAZ width; Pulse duty factor; Voltage ratio; Weld dilution; Weld peak temperature
Funding
- Welding Laboratory of Mechanical Engineering Department, IIT Kharagpur
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The weld penetration monitoring is a challenging work in modern automated manufacturing industries. The weld quality can be improved with higher depth of penetration and less weld pool area. In this work, various pulse parameters have been varied to investigate their influence on weld penetration in pulsed metal inert gas (P-MIG) welding. The primary objective was to improve the depth of penetration adjusting the pulse parameters. The sound sensor and an infrared pyrometer were used along with arc sensors to properly monitor the depth of weld penetration. Finally, an attempt has also been made to correlate the time domain statistical features of each sensor with weld bead characteristics.
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