EVOLUTION OF WEAR AND CORROSION RESISTANCE OF Bi ALLOY-LAMINATED Al/TiO2 COMPOSITE STRIPS FABRICATED VIA APB PROCESS

H. Asadollahi Yazdi, Wade Ghribi (), Manal A. Abbood (), Ameer H. Al-Rubaye () and Karrar Hatif Mohamed ()
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H. Asadollahi Yazdi: Department of Mechanical Engineering, Esfarayen Branch, Islamic Azad University, Esfarayen, Iran
Wade Ghribi: ��Department of Computer Engineering, College of Computer Science, King Khalid University, Al-faraa Campus, Abha, Saudi Arabia
Manal A. Abbood: ��Division of Medical and Industrial Materials Science, Department of Applied Sciences, University of Technology, Al Senaha Street, Baghdad, Iraq
Ameer H. Al-Rubaye: �Department of Petroleum Engineering, Al-Kitab University, Altun Kupri, Iraq
Karrar Hatif Mohamed: �Scientific Research Center, Al-Ayen University, Thi-Qar, 64001, Iraq

Surface Review and Letters (SRL), 2024, vol. 31, issue 11, 1-9

Abstract: In this study, Bi alloy AA1100/TiO2/AA5083 composites were produced by accumulative press bonding (APB) for the first time. In the first step, two bars of aluminum alloys 1100 and 5083 with 5wt.% of uniformly scattered TiO2 particles were stacked together and pressed with a 50% reduction ratio. Then, this process was continued up to six steps. Corrosion properties of composites were studied by potential dynamic polarization and electrochemical impedance spectroscopy measurement in 3.5wt.% NaCl solution. So, in this investigation and as its novelty, a considerable improvement was revealed in the main electrochemical parameters as a result of enhancing the influence of APB steps and the inert character of the particles. Moreover, using the wear test, the wear resistance of these bi alloy composites has been studied vs the APB steps. Also, the wear and electrochemical experiments showed that corrosion and wear resistance of samples were improved by the APB steps by 70% and 34%, respectively.

Keywords: Al base composite; Bi alloy; TiO2 particles; corrosion; wear; polarization (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1142/S0218625X24500914

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