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Investigation on Microstructural and Mechanical Properties of Mg-0.4Ce/Y2O3 Nanocomposite

Lookup NU author(s): Dr Eugene WongORCiD


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Magnesium rare earth alloys are increasingly being investigated for weight critical applications such as in automotive, aviation and space industries. Due to high cost of rare earths, it is not economical to use high concentrations of rare earths as alloying elements. Hence, a new approach of offsetting the high cost of rare earths is made by reinforcing Mg-RE alloy with nano particles. This study illustrates the development and characterization of magnesium - rare earth alloy and its nanocomposite. Mg-0.4Ce alloy and Mg-0.4Ce/Y2O3 nanocomposite are fabricated using disintegrated melt deposition technique and then processed by hot extrusion. Microstructure and mechanical properties of the developed alloy and composite are studied in the as-extruded condition. Further, the effect of Y2O3 reinforcement on microstructure and mechanical properties of Mg-0.4Ce alloy is investigated. The correlation between microstructure and mechanical properties of the alloy and nanocomposite is also discussed.

Publication metadata

Author(s): Tekumalla S, Seetharaman S, Nguyen QB, Wong WLE, Goh CS, Gupta M

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 10th International Conference on Magnesium Alloys and Their Applications

Year of Conference: 2015

Pages: 879-885

Acceptance date: 11/10/2015