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International Journal of Innovation and Scientific Research
ISSN: 2351-8014
 
 
Saturday 19 October 2019

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Studies on weldment structure in Ti/Al dissimilar metal joints using Laser beam welding


Volume 21, Issue 2, April 2016, Pages 301–309

 Studies on weldment structure in Ti/Al dissimilar metal joints using Laser beam welding

K. Kalaiselvan, A. Elango, and NM. Nagarajan

Original language: English

Received 14 February 2016

Copyright © 2016 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Laser beam welding is a non-conventional welding process with high applicability to produce quality welds. An attempt is made to weld TI6AL4V (Ti) and AA2024 (Al) dissimilar sheet metal joints and studies have been made to analyze the structure in the weldment. Structural studies such as macrostructure and micro studies are undertaken. The extend of a metal mix in the fusion zone is also studied using Energy Dispersive Spectroscopy (EDS). Micro studies using Scanning Electron Microscope (SEM) reveal that higher weld speed brings grain refinement leading to the enhanced strength. SEM and EDS analysis further reveal that laser beam focusing from Ti side instead of Al side brings good quality weldment.

Author Keywords: Laser beam welding, Ti/Al, Weldment structure, SEM, EDS.


How to Cite this Article


K. Kalaiselvan, A. Elango, and NM. Nagarajan, “Studies on weldment structure in Ti/Al dissimilar metal joints using Laser beam welding,” International Journal of Innovation and Scientific Research, vol. 21, no. 2, pp. 301–309, April 2016.