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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 939YSZ-Reinforced Mg-Based Amorphous Composites:...

YSZ-Reinforced Mg-Based Amorphous Composites: Processing, Characterisation & Corrosion

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Abstract:

MgZnCa amorphous matrix-based composites whereby reinforcing the matrix with suitable reinforcements to achieve enhanced mechanical, biomedical and anti-corrosion properties have been studied here. Here, MgZnCa-based composites have been developed with different amounts (0-25%wt) of yttria-stabilized zirconia (YSZ) reinforcement phase. The aim is to understand the corrosion behaviors of YSZ-reinforced MgZnCa-based composites in physiological saline solution. It is found that the incorporation of YSZ into amorphous MgZnCa matrix can cause crystallization of the amorphous matrix. The higher the YSZ introduced, the higher the degree of crystallization, and a fully crystalline matrix is obtained at a YSZ concentration of 25%. Electrochemical testing and ion release measurements, revealed that the composite with 8%YSZ possesses the smallest corrosion current density and the least ion release rate. Surface morphology analysis indicates a much stronger anti-corrosion ability of 8%YSZ-reinforced MgZnCa composite.

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Advances in Materials and Processing Technologies XVI

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Periodical:

Advanced Materials Research (Volume 939)

Pages:

122-129

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.939.122

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Online since:

May 2014

Authors:

Yong Sheng Wang, Ming Jen Tan*, Beng Wah Chua, Emin Bayraktar

Keywords:

Composite, Corrosion, Crystallinity, Magnesium, Metallic Glass

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* - Corresponding Author

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