Corrosion Analysis of AZ61 Alloy with Different Level of Ca Addition and Aging

S. Manivannan; M.P. Sathishkumar; S.P. Kumaresh Babu; Srinivasan Sundarrajan

doi:10.4028/www.scientific.net/AMM.592-594.821

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 592-594Corrosion Analysis of AZ61 Alloy with Different...

Corrosion Analysis of AZ61 Alloy with Different Level of Ca Addition and Aging

Abstract:

The corrosion behavior of AZ61 alloyed with 0.5, 1.0, 1.5 and 2.0% Ca were studied by potentiostatic polarization technique in 3.5wt. % NaCl solution and the further effect of corrosion behavior have been studied after aging at different temperature in a controlled environment.The results show that the calcium addition enhances the corrosion resistance.Simultaneously when the alloy is aged at 180°C, the corrosion resistance has improved. This study also reveals the interesting microstructural change that isresponsible for the improved corrosion resistance. Themicrostructural characterization of this alloy was studied using Optical and Scanning Electron Microscopy (SEM).

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Periodical:

Applied Mechanics and Materials (Volumes 592-594)

Pages:

821-825

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.592-594.821

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Online since:

July 2014

Authors:

S. Manivannan, M.P. Sathishkumar, S.P. Kumaresh Babu*, Srinivasan Sundarrajan

Keywords:

Corrosion, Electrochemical Analysis, Immersion Test, Magnesium Alloy, Microhardness

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