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Title: Microstructural evolution and mechanical properties of misch metal added Mg-Si alloys
Authors: Ajith Kumar K.K.
Pillai U.T.S.
Pai B.C.
Chakraborty M.
Keywords: alloys
mechanical properties
Issue Date: 2013
Citation: 3
Abstract: Effect of misch metal additions (0.3, 0.6, 0.9 and 1.2 wt%) on the refinement of Mg2Si phase in Mg-1.15Si alloy has been studied and compared with the base alloy. MM addition effectively refines the microstructure by breaking the ?-Mg halos and lamellar eutectic phase and the maximum refinement is obtained for 0.6 MM addition. For higher MM additions (0.9 and 1.2 wt%), the refinement effect gets reduced and the formation of RE-Si compound is dominated. Improved tensile properties are obtained with the addition of MM and are attributed to the refinement of microstructure and the presence RE-Si compound. The tensile properties obtained are correlated with the microstructure and mirofractomechnisms. � 2013 The Korean Institute of Metals and Materials and Springer Science+Business Media Dordrecht.
Appears in Collections:Research Publications

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