Investigation on Microstructure, Wear Behavior and Microhardness of Al−Si/SiC Nanocomposite
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Aluminum matrix nano-composites have been widely used in various fields such as aerospace, automobile, and packing industries. In this study, the effect of nano-SiC content on the microst-ructure, wear resistance and micro-hardness of Al–Si/SiC nano-composite was investigated. In this regard, Al–Si matrix was reinforced by different amounts of nano-SiC: 0, 0.5, 1, 1.5, 3, 5, 10 wt %. The results showed that with increasing the nano-SiC weight ratio, nano-particles are agglomerated and unsuitable sintering increases the porosity, as pores and cavities. For more than 1.5% weight ratio of nano-SiC in the matrix, the wear resistance and the micro-hardness decreased. The results of the wear test, scanning electron microscopy, energy dispersive X-ray spectroscopy and worn surfaces showed that the dominant wear mechanism is controlled by nano-SiC contents. This study indicated that with adding nano-SiC particles more than the optimal content, wear resistance and micro-hardness of Al–Si/SiC nano-composite increased more than twice.
Keywordsnano composite wear rate wear resistance Al−Si/SiC
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- 12.Terry, B. and Jones, G., Metal Matrix Composites, Oxford: Elsevier, 1990.Google Scholar
- 13.Wagih, A., Int. J. Adv. Eng. Sci., 2014, vol. 4, no. 2, pp. 1–7.Google Scholar
- 14.Razavi Tousi, S.S., Yazdani Rad, R., Salahi, E., Mobasherpour, I., et al., Powder Technol., 2009, vol. 192, pp. 346–351.Google Scholar
- 18.Mahboob, H., Sajjadi, S.A., and Zebarjad, S.M., The Int. Conf. on MEMS and Nanotechnology, ICMN’08, May 13–15, 2008, Kuala Lumpur, 2008, pp. 240–245. http://citeseerx.ist.psu.edu/viewdoc/download?doi= 10.1.1.863.4269&rep=rep1&type=pdf.Google Scholar
- 21.Jayaraman, K., Mulla, I., Chakravarthy, S.R., and Sarathi, R., 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition, Orlando, 2010, pp. 1–7.Google Scholar
- 22.Taherzadeh Mousavian, R., Azari Khosroshahi, R., Yazdani, S., Brabazon, D., et al., Mater. Des., 2016, vol. 89, pp. 58–70.Google Scholar
- 24.De Jonghe, L.C. and Rahaman, M.N., in Handbook of Advanced Ceramics: Materials, Applications, Processing and Properties, New York: Elsevier, 2003, vol. 1, ch. 4, pp. 187–264.Google Scholar
- 25.Mitrica, D. and Moldovan, P. U.P.B., Sci. Bull.-Politeh. Univ. Bucharest, Ser. B, 2012, vol. 74, no. 4, pp. 186–194.Google Scholar
- 36.Sethuramiah, A. and Kumar, R., in Modeling of Chemical Wear, Amsterdam: Elsevier, 2016, ch. 3, pp. 41–68.Google Scholar
- 38.Haghshenas, M., in Reference Module in Materials Science and Materials Engineering, Amsterdam: Elsevier, 2016, pp. 1–28.Google Scholar