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Investigation on dry sliding wear behavior of Mg/BN nanocomposites

Journal of Magnesium and Alloys 2018年第3期6卷 263-276页

作者： R.Vara Prasad Kaviti D.Jeyasimman Gururaj Parande manoj gupt R.Narayanasamy Department of Mechanical Engineering Periyar Maniammai Institute of Science&TechnologyThanjavur 613403 Tamil Nadu India b Department of Mechanical EngineeringNational Institute of Singapore9 Engineering driveSingapore 117576Singapore Department of Production Engineering National Institute of TechnologyTiruchirappalli 620015Tamil NaduIndia

The present research objective is to investigate the effect of boron nitride nanoparticles reinforcement on dry sliding wear behavior of pure Magnesium and magnesium *** fabricated nanocomposites contains varied percentages of boron nitride such as 0%(pure Mg),0.5%,1.5%and 2.5%were synthesized by using powder metallurgy technique and followed by a hot working process called hot *** pin on disk equipment was used for conducting the wear tests for traditional loads of 5 N,7 N and 10 N at different sliding speeds of 0.6,0.9 and 1.2 m/s against the steel disk at room *** all traditional loads and sliding speeds,the changes in wear rate and friction co-efficient(μ)with respect to sliding distances were observed and *** wear characteristics are observed with the help of scanning electron microscopy under given test *** investigate dominant wear mechanisms for various test conditions,the morphologies of all worn composites surfaces were *** results show that,for all nanocomposites the wear level raises with respect to the sliding speeds and *** reinforced with 0.5%boron nitride shows lower wear rates and low friction coefficient values compare with magnesium reinforced with 1.5%boron nitride and 2.5%boron nitride nanocomposites.

关键词： Metal matrix composites Wear Friction coefficient Wear mechanisms

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