Tag Archives: Y. Mitsuno

Mechanical milling and synthesis of Mg-SiC composites using underwater shock consolidation

A. Nayeem Faruqui
Daffodil International University
P. Manikandan
T. Sato


In this work, mechanical milling of magnesium with SiC particles with variation of parameters, such as ball-to-powder ratio, milling speed, milling time, and process controlling agent (PCA), is reported. Milling was also conducted without using PCA to explore its role on the mechanical milling process. Milling was performed in a planetary ball mill. The results show that a uniform distribution of the reinforcement, good particle yield, and particle size reduction can be achieved by controlling the parameters. The milling powders were compacted using the underwater shock wave generated by the detonation of an explosive. The samples were characterized by XRD, scanning electron microscopy, and microhardness testing. Microstructural characterization revealed a well flown magnesium matrix enveloping reasonably well dispersed SiC particles. The results of microhardness testing reveal an increase in the hardness of the composite.

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