Statistical design of experiments was employed to assess the effect of mechanical alloying variables and the chemical binder (sodium silicate) percentage on the crystallite size of mechanical alloyed titanium silicide powder and the microhardness of samples consolidated by chemical bonding. The results indicate that mechanical alloying the powder with higher milling time, higher milling speed and lower ball-to-powder ratio and consolidating with 20% sodium silicate gives a combination of fine crystallite size and good microhardness in the compact.

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