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Enhanced Mechanical Properties and Microstructure of Accumulative Roll-Bonded Co/Pb Nanocomposite.

Karbasi, M., Alamdari, E.K., Dehkordi, E.A., Khan, Z. A. and Tavangarian, F., 2021. Enhanced Mechanical Properties and Microstructure of Accumulative Roll-Bonded Co/Pb Nanocomposite. Nanomaterials, 11 (5), 1190.

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DOI: 10.3390/nano11051190

Abstract

Lead composites have been used as anode in electrowinning process to produce metals such as copper and zinc. Manufacturing of stable lead anodes with appropriate mechanical and chemical properties is required to improve the performance of the electrowinning processes. In this study, accumulative roll bonding (ARB) method was used to fabricate Co/Pb nanocomposite. Utilizing ARB method can help us to achieve a uniform structure with enhanced mechanical properties via sever plastic deformation. The results showed that suitable tensile properties were obtained in Pb-%0.5Co-10pass samples. The tensile strength and strain of these samples were 2.51 times higher and 83.7% lower than that of as-cast pure Pb. They also showed creep resistance and hardness up to 1.8 and 2.5 times more than that of as-cast pure Pb. ARB technique uniformly distributed Co par-ticles in the Pb matrix. The enhanced strength of Pb samples was observed in the composite in-cluding grain size less than 50 nm as a result of hindering the recovery phenomenon. The particle size of the Co distributed in the Pb matrix was 353 ± 259 nm. Compared to conventional methods, ARB process improved the mechanical properties of Co/Pb composites and can open a new horizon to fabricate this composite in metal industries.

Item Type:Article
ISSN:2079-4991
Additional Information:This article belongs to the Special Issue Development of Nanocomposite Coatings
Uncontrolled Keywords:nanostructure; microstructure; composite
Group:Faculty of Science & Technology
ID Code:35444
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:27 Apr 2021 13:11
Last Modified:15 Aug 2021 08:28

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