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Impact of surface hardening treatment generated by shot peening on the fatigue life of brass alloy

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Abstract

Brass alloy is widely used because of some attractive properties such as high electrical and thermal conductivity. But its fatigue performance after surface treatment is not very well explored in literature. Thus, in the present work, particular emphasis was given to the influence of surface treatment by shot peening on the fatigue life of brass alloy, throughout surface roughness and microstructural evolution. Fatigue tests were performed on unpeened, peened and peened then polished specimens. Various times of surface hardening treatment as 30, 60 and 120 min were considered. Experimental results reveal that the fatigue life of peened brass alloy decrease for all studied hardening treatment conditions. Surface roughness and microstructural properties showed large sensitivity to the shot peening process of brass alloy.

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Correspondence to Riadh Elleuch.

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Recommended by Editor Jai Hak Park

Mouna Baklouti obtained her engineering diploma in materials engineering from the National School of Sfax (ENIS) in 2007. She received her master diploma on materials science and engineering in 2009. She is currently a Ph.D student in mechanical engineering. Her major topics of interest include fatigue and fracture, mechanical and tribological behaviors of materials.

Riadh Elleuch is a Professor at the Preparatory Institute of Engineering Studies of Sfax (IPEIS), Tunisia, teaching courses at the National School of Engineering of Sfax (ENIS), Tunisia, in the field of mechanical properties and wear of materials.

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Baklouti, M., Mnif, R. & Elleuch, R. Impact of surface hardening treatment generated by shot peening on the fatigue life of brass alloy. J Mech Sci Technol 26, 2711–2717 (2012). https://doi.org/10.1007/s12206-012-0738-3

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  • DOI: https://doi.org/10.1007/s12206-012-0738-3

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