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Wear Behavior of Multiwalled Carbon Nanotube/AZ31 Composite Obtained by Friction Stir Processing |
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| Authors: | Mahdiyeh Jamshidijam Ali Akbari-Fakhrabadi Seyyed Morteza Masoudpanah Gholam Heydar Hasani Ramalinga V. Mangalaraja |
| Affiliation: | 1. Department of Materials Engineering , Islamic Azad University Sirjan Branch , Sirjan , Iran;2. Department of Materials Engineering , Islamic Azad University Sirjan Branch , Sirjan , Iran;3. Advanced Ceramics and Nanotechnology Laboratory Department of Materials Engineering , University of Concepcion , Concepcion , Chile;4. School of Materials Science and Engineering , Iran University of Science and Technology , Tehran , Iran;5. Department of Metallurgical and Materials Engineering , Kabul Polytechnic University , Kabul , Afghanistan;6. Advanced Ceramics and Nanotechnology Laboratory Department of Materials Engineering , University of Concepcion , Concepcion , Chile |
| Abstract: | Multiwalled carbon nanotubes were homogenously dispersed into a magnesium alloy (AZ31) using friction stir processing. The microstructural features, mechanical behaviors including microhardness, and wear properties were investigated. The results showed a significant improvement in wear resistance in the friction stir-processed AZ31 alloy containing multiwalled carbon nanotubes compared to that of the as-received alloy. This was attributed to its higher microhardness and lower coefficient of friction due to the presence of finer matrix grains and uniform dispersion of multiwalled carbon nanotubes. |
| Keywords: | Composite Microhardness Wear Friction Stir Processing MWCNT–Magnesium Alloy |