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| 1 | Mechanical and wear behaviour of AZ91D magnesium matrix hybrid composite reinforced with boron carbide and graphite显示文摘In this experimental study,magnesium(AZ91D)based boron carbide(B4C)and graphite(Gr)particle reinforced hybrid composite materials were manufactured by stir casting.The tribological and mechanical properties of these composite materials were investigated.The results of the tests revealed that the graphite reinforced hybrid composites exhibited a lower wear loss compared to the unreinforced AZ91D alloy and AZ91D–B4C composites.It was found that with an increase in the B4C content,the wear resistance increased monotonically with hardness and ultimate tensile strength decreased.This study revealed that the addition of both a hard reinforcement(e.g.,B4C)and soft reinforcement(e.g.,graphite)significantly improves the wear resistance of magnesium composites.These entire results designate that the hybrid magnesium composites can be considered as an excellent material where high strength,ultimate tensile strength and wear-resistant components are of major importance,primarily in the aerospace and automotive engineering sectors. | I.Aatthisugan A.Razal Rose D.Selwyn Jebadurai | 2017 | Journal of Magnesium and Alloys2017，5，1： | 11 |
| 2 | Influence of carbon nano tubes on mechanical, metallurgical and tribological behavior of magnesium nanocomposites显示文摘In this research work,three different reinforcements of Carbon Nano Tubes(in weight%)such as 2%,3%and 4%were added to the magnesium AZ91D grade magnesium alloy to fabricate the Nanocomposites through stir casting method.The effects of volume percentage on the mechanical,metallurgical and wear behavior were analyzed.The composites with 4%reinforcement show high hardness while the composites with 3%reinforcement show better tensile and yield strength and also an improved wear resistance compared to other.Also,the characterization of the Nanocomposites were made using Optical Microscopy,Scanning Electron Microscopy,Finite Element-Scanning Electron Microscopy and Transmission Electron Microscopy to understand its nature. | S.T.Selvamani S.Premkumar M.Vigneshwar P.Hariprasath K.Palanikumar | 2017 | Journal of Magnesium and Alloys2017，5，3： | 1 |
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