Friction stir alloying AZ61 magnesium alloy and mild steel with Zn-CNT additive

Mohd Jamil, Muhammad Zulhiqmi and Isa, Mohammad Syahid Mohd and Raja, Sufian and bin Muhamad, Mohd Ridha and Yusof, Farazila and Hasnan, Hijaz Kamal and Jamaludin, Mohd Fadzil and Brytan, Zbigniew and Liu, Huihong and Suga, Tetsuo and Morisada, Yoshiaki and Fujii, Hidetoshi (2024) Friction stir alloying AZ61 magnesium alloy and mild steel with Zn-CNT additive. Transactions of the Indian Institute of Metals, 77 (2). pp. 435-443. ISSN 0972-2815, DOI https://doi.org/10.1007/s12666-023-03124-8.

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Abstract

The study investigated the impact of adding a Zn-CNT additive during friction stir alloying (FSA) of AZ61 magnesium alloy and SPHC mild steel. The additive, comprising zinc powder, carbon nanotubes, and polyethylene glycol, was introduced into the joint gap before welding at varying weight percentages (1, 3, 5 wt%). The rotational speed of the tool remained constant at 1500 rpm, while the welding speed was adjusted (15, 30, and 50 mm/min). Results revealed that the inclusion of 1 wt% Zn-CNT additives significantly enhanced the tensile strength (260 MPa) and microhardness (495 HV) of the welded joint compared to joints without additives. This suggests that the Zn-CNT additive positively influenced the mechanical properties of the joints.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Friction stir alloying; CNT; Dissimilar joint; Magnesium alloy; Steel; Aluminium
Subjects: Q Science > QE Geology
T Technology > TP Chemical technology
Divisions: Faculty of Engineering > Department of Mechanical Engineering
Faculty of Science > Department of Geology
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 06 Nov 2024 08:19
Last Modified: 06 Nov 2024 08:19
URI: http://eprints.um.edu.my/id/eprint/46003

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