Effect of friction stir processing with different pass numbers on the mechanical, tribological and corrosion properties of Al6061

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Aghamohammadi Hamed; JAMSHIDI RASOUL; HEIDARPOUR AKBAR; MAZAHERI YOUSEF; NEMATI MEHRDAD

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Journal: IRANIAN JOURNAL OF MANUFACTURING ENGINEERING Year:2018 | Volume:5 | Issue:3 Page(s): 12-21

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Title

Effect of friction stir processing with different pass numbers on the mechanical, tribological and corrosion properties of Al6061

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Keywords

Friction stir processing

Al6061

pass number

corrosion

wear properties

Abstract

In this study, the mechanical, tribological and corrosion properties of Al6061 after different pass number of FSP were investigated. To study the microstructure of samples, optical microscopy (OM) and scanning electron microscopy (SEM) were used. Optical microscopy images showed that the average grain size of samples significantly decreased after FSP. Furthermore, results showed that using of FSP generally leads to the reduction of microhardness values, compared to the base metal. It can be deuced that there are various strengthening and weakening mechanisms governing on the mechanical properties of FSPed aluminum. In consistent with microhardness findings, corrosion results showed that FSP has negative effects on the corrosion resistance of Al6061. In other words, the polarization plots of FSPed samples shifted to the more negative potentials and higher current densities. Wear results are in good agreement with what was mentioned. In this regard, wear weight loss of two pass FSPed aluminum was about 3. 5 times higher than that for base metal.

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APA: Copy

Aghamohammadi, Hamed, JAMSHIDI, RASOUL, HEIDARPOUR, AKBAR, MAZAHERI, YOUSEF, & NEMATI, MEHRDAD. (2018). Effect of friction stir processing with different pass numbers on the mechanical, tribological and corrosion properties of Al6061. IRANIAN JOURNAL OF MANUFACTURING ENGINEERING, 5(3 ), 12-21. SID. https://sid.ir/paper/268196/en

Vancouver: Copy

Aghamohammadi Hamed, JAMSHIDI RASOUL, HEIDARPOUR AKBAR, MAZAHERI YOUSEF, NEMATI MEHRDAD. Effect of friction stir processing with different pass numbers on the mechanical, tribological and corrosion properties of Al6061. IRANIAN JOURNAL OF MANUFACTURING ENGINEERING[Internet]. 2018;5(3 ):12-21. Available from: https://sid.ir/paper/268196/en

IEEE: Copy

Hamed Aghamohammadi, RASOUL JAMSHIDI, AKBAR HEIDARPOUR, YOUSEF MAZAHERI, and MEHRDAD NEMATI, “Effect of friction stir processing with different pass numbers on the mechanical, tribological and corrosion properties of Al6061,” IRANIAN JOURNAL OF MANUFACTURING ENGINEERING, vol. 5, no. 3 , pp. 12–21, 2018, [Online]. Available: https://sid.ir/paper/268196/en

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