Synthesis and Characterisation of Anodized Powder Metallurgy Mg-Ca Alloy

C.D. Zuraidawani; F.W. Norhadira; Mohd Nazree B. Derman

doi:10.4028/www.scientific.net/SSP.280.221

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HomeSolid State PhenomenaSolid State Phenomena Vol. 280Synthesis and Characterisation of Anodized Powder...

Synthesis and Characterisation of Anodized Powder Metallurgy Mg-Ca Alloy

Abstract:

The Mg-1wt.%Ca alloy was fabricated using powder metallurgy method. The anodizing process were done by using different voltage (5V, 15V, 25V) and concentration of KOH (0.1M, 0.5M, 1.0M). The surface changes on PM Mg/1wt.%Ca resulted by anodizing was analyzed using SEM-EDX and XRD pattern. Meanwhile, surface hardness was measured by micro-Vickers hardness machine. The experiment found different XRD pattern between all non-anodized and anodized samples. The study found that increasing the voltage will increase the hardness while increasing KOH concentration reduced the hardness. The relation of the hardness and oxide film formation can be analyzed using SEM-EDX and XRD pattern. The optimum value for voltage, KOH concentration and hardness are 25V, 0.1M and 27.2 HV. The XRD detect the changes in PM Mg/1wt.% Ca indicates the oxide film formation.

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Periodical:

Solid State Phenomena (Volume 280)

Pages:

221-225

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https://doi.org/10.4028/www.scientific.net/SSP.280.221

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Online since:

August 2018

Authors:

C.D. Zuraidawani*, F.W. Norhadira, Mohd Nazree B. Derman

Keywords:

Anodizing, Calcium, Magnesium, Powder Metallurgy

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