Influence of strontium addition on the wear behavior of Mg-3Al-3Sn alloys produced by gravity casting

Gülşah Germen; Güven Yarkadaş; Hüseyin Şevik

doi:10.3139/120.110806

Article

Influence of strontium addition on the wear behavior of Mg-3Al-3Sn alloys produced by gravity casting

Gülşah Germen , Güven Yarkadaş and Hüseyin Şevik

Published/Copyright: November 18, 2015

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From the journal Materials Testing Volume 57 Issue 11-12

Abstract

The wear behavior of Mg-3Al-3Sn-xSr alloys was tested using pin-on-disc in dry sliding condition. Wear tests were carried out at two different loads of 5 and 10 N, constant sliding speed of 1 ms⁻¹ and a total sliding distance of 3.6 km at room temperature. Worn surface was analyzed using scanning electron microscopy and energy dispersive X-ray spectrometry to define the main wear mechanisms. The wear rate for all loads decreased with increasing strontium addition.

Kurzfassung

Das Verschleißverhalten von Mg-3Al-3Sn-xSr Legierungen wurde mittels des Stift-Scheibe-Versuchs unter trockenen Reibbedingungen untersucht. Die Verschleißversuche wurden bei zwei verschiedenen Belastungen von 5 und 10 N, einer konstanten Reibgeschwindigkeit von 1 m × s⁻¹ und einer gesamten Reibstrecke von 3,6 km ausgeführt. Die verschlissenen Oberflächen wurden mittels Rasterelektronenmikroskopie und EDX untersucht, um die Hauptverschleißmechanismen zu ermitteln. Die Verschleißrate reduzierte sich bei allen Belastungen mit zunehmendem Strontiumgehalt.

§Correspondence Address, Dr. Hüseyin Şevik, Department of Metallurgical and Materials Engineering, Faculty of Engineering, Mersin University, Mersin, 33343, Turkey. E-mail: sevik@mersin.edu.tr

Dr. Hüseyin Şevik, born in 1980, earned a BSc degree in Metallurgy Engineering from Sakarya University, Turkey, in 2001, followed by an MSc degree in 2004 and his PhD in Metallurgy and Materials Engineering from University of Sakarya in 2011. His doctoral work was focused on magnesium alloys and their mechanical properties. Now, he is working as a lecturer at Mersin University, Turkey.

Dr. Güven Yarkadaş, born in 1974, earned a BSc in Metallurgy Engineering from Istanbul Technical University, Turkey, in 2001, followed by an MSc degree in 2004 and a PhD in Metallurgy and Materials Engineering from University of Sakarya in 2010. His doctoral work was focused on the effects of mechanical activation on soda roasting of chromite. Now, he is working as a lecturer at Mersin University, Turkey.

Gülşah Germen, born in 1988, earned a BSc degree in Metallurgy Engineering from Karadeniz Technical University, Turkey, in 2012. Now, she is studying for her MSc degree while working as a research assistant at Mersin University, Turkey.

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Published Online: 2015-11-18

Published in Print: 2015-11-16

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https://doi.org/10.3139/120.110806