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Open AccessArticle

Investigation on Effect of Strain Rate and Heat Generation on Traverse Force in FSW of Dissimilar Aerospace Grade Aluminium Alloys

1
Department of Mechanical Engineering, National Institute of Technology, Srinagar 190006, Jammu and Kashmir, India
2
Department of Mechanical Engineering, Jamia Millia Islamia (A Central University), New Delhi 110025, India
3
King Saud University, Advanced Manufacturing Institute, Riyadh 11421, Saudi Arabia
*
Authors to whom correspondence should be addressed.
Materials 2019, 12(10), 1641; https://doi.org/10.3390/ma12101641
Received: 24 April 2019 / Revised: 16 May 2019 / Accepted: 17 May 2019 / Published: 20 May 2019
(This article belongs to the Special Issue Recent Developments in Non-Conventional Welding of Materials)
The emergence of the aerospace sector requires efficient joining of aerospace grade aluminium alloys. For large-scale industrial practices, achievement of optimum friction stir welding (FSW) parameters is chiefly aimed at obtaining maximum strain rate in deforming material with least application of traverse force on the tool pin. Exact computation of strain rate is not possible due to complex and unexposed material flow kinematics. Estimation using micro-structural evolution serves as one of the very few methods applicable to analyze the yet unmapped interdependence of strain rate and traverse force. Therefore, the present work assessed strain rate in the stir zone using Zener Holloman parameter. The maximum and minimum strain rates of 6.95 and 0.31 s−1 were obtained for highest and least traverse force, respectively. View Full-Text
Keywords: aluminium alloys; friction stir welding; strain rate; traverse force aluminium alloys; friction stir welding; strain rate; traverse force
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MDPI and ACS Style

Khan, N.Z.; Bajaj, D.; Siddiquee, A.N.; Khan, Z.A.; Abidi, M.H.; Umer, U.; Alkhalefah, H. Investigation on Effect of Strain Rate and Heat Generation on Traverse Force in FSW of Dissimilar Aerospace Grade Aluminium Alloys. Materials 2019, 12, 1641.

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