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Praveenkumar, R.
- Mechanical and Tribological Behavior of Mg-Matrix Composites Manufactured by Stir Casting
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1 Dept. of Mech Engg., St. Peter’s Institute of Higher Education and Research, Chennai, Tamil Nadu, IN
2 Dept. of Mech. Engg., Kingston Engineering College, Vellore, Tamil Nadu, IN
1 Dept. of Mech Engg., St. Peter’s Institute of Higher Education and Research, Chennai, Tamil Nadu, IN
2 Dept. of Mech. Engg., Kingston Engineering College, Vellore, Tamil Nadu, IN
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International Journal of Vehicle Structures and Systems, Vol 11, No 1 (2019), Pagination: 117-120Abstract
In the recent decades, magnesium matrix composites present a plenty of applications to automotive, marine and aerospace industries. In this work, AZ31B is selected as Mg matrix material and hard Tungsten carbide (WC) particles as reinforcement material. Mg/WC composites reinforced with different weight proportions (0, 5, 10 and 15 wt.%) were made through stir casting method. The worn surface of manufactured Mg/WC composites and base Mg material were examined by scanning electron microscope (SEM). The wear test results denoted that the AZ31B/15 wt% WC composites have excellent tribological behaviour when compared to the base magnesium matrix AZ31B alloy. The yield strength, flexural strength, tensile strength and micro-hardness of the manufactured composites are improved by increasing the WC content. SEM images reveal the homogeneous distribution of WC particles throughout the Mg matrix.Keywords
Wear Metal Matrix Composites, Tribological Properties, Stir Casting.Full Text
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