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Applicant:
Indian Institute of Technology (IIT) Patna 
Author:
Rahul Kesharwani, Murshid Imam, Chiranjit Sarkar 
Corresponding Authors:
Murshid Imam 
DOI #:
https://doi.org/10.1016/j.mfglet.2020.04.008 
Title:
Clarification on the choice of sheet positioning in friction stir welding of dissimilar materials 
Journal:
Manufacturing Letter 
Year:
2020 
Volume:
24 
Page:
100-104 
Keywords:
Friction stir welding, Dissimilar materials, Sheet positioning, Retreating and advancing sides, Cross-weld configuration 
Abstract:
The material mixing in FSW of the dissimilar weld is significantly affected by the local heat partitioning arising from the difference in mechanical and thermal properties at the interface of the tool/soft/hard materials. Based on the experimental observations made from cross-flow weld configurations, it is proposed that pure Cu should be placed on the retreating and 6061-T6 AA on the advancing sides for obtaining the defect-free weld in dissimilar butt welding. For the successful weld obtained based on the suggested sheet positioning, the ultimate tensile strength (UTS) and percentage uniform elongation are 252 MPa and 12.2%, respectively.  
Entered by:
Physics Head on 2020-08-04 
 
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