Friction stir spot welding of AA5052 with additional carbon fiber-reinforced polymer composite interlayer

Omer Kalaf, Tauqir Nasir, Mohammed Asmael, Babak Safaei*, Qasim Zeeshan, Amir Motallebzadeh, Ghulam Hussain

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)
20 Downloads (Pure)

Abstract

In this study, similar aluminum alloys AA5052 with additional carbon fiber-reinforced polymer composite (CFRP) interlayer were selected to investigate the effect of welding parameters (rotational speed and dwell time) on the mechanical properties, joint efficiency, and microstructure of friction stir spot weld joint. The maximum tensile shear load was 1779.6 N with joint efficiency of 14.6% obtained at rotational speed of 2,000 rpm and 2 s dwell time, which is 39.5% higher than the value at low rotational speed 850 rpm and 2 s dwell time. Meanwhile, the maximum microhardness 58 HV was attained in the keyhole region at rotational speed of 2,000 rpm and dwell time of 5 s, which is 22.4% higher compared to low rotational speed. The SEM-EDS results reveal the presence of intermetallic compounds (Al-Mg-C), which enhance the intermetallic bonding between elements.

Original languageEnglish
Pages (from-to)201-209
Number of pages9
JournalNanotechnology Reviews
Volume10
Issue number1
DOIs
Publication statusPublished - 20 Apr 2021
Externally publishedYes

Keywords

  • aluminum alloys
  • carbon fiber-reinforced polymer composite
  • friction stir spot welding
  • interlayer
  • mechanical properties
  • microstructure

ASJC Scopus subject areas

  • Biotechnology
  • Medicine (miscellaneous)
  • Materials Science (miscellaneous)
  • Energy Engineering and Power Technology
  • Engineering (miscellaneous)
  • Process Chemistry and Technology

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