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H. Yanar, G.Pürçek, D.M. Sekban, S.M. Akterer T.Küçükömeroğlu, Y. Alemdağ, “Surface hardening of Al-12Si alloy by friction stir processing and its effect on friction and wear properties ”, TURKEYTRIB 2015, 07 - 09 October 2015, 1st International Conference on Tribology, Istanbul, Turkey.
Abstract: In this study, the effect of friction stir processing (FSP) on mainly friction and wear properties of as-cast Al-12Si alloy was studied in detail. Severe plastic deformation imposed by FSP resulted in a considerable fragmentation of the needle-shaped eutectic silicon particles into the smaller ones, and improve the mechanical properties of Al-12Si alloy. The friction stir zone exhibited better mechanical properties as well as sliding wear resistance than the as-cast base alloy. Metallurgical and mechanical effects behind any improvement in friction and wear behavior of the alloy after FSP have been investigated in this study.
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