Experiments are designed using Taguchi method to find the optimum parameters for silica sand nanoparticles production using low speed ball milling. Orthogonal array and signal-to-noise ratio are applied to study performance characteristics of machining parameters which are the ball to powder weight ratio, volume of milling jar, and rotation speed. Results obtained from signal-to-noise ratio analysis showed that ball to powder weight ratio is the most influential parameter.

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Silica sand nanoparticles are widely used as filler, coating and reinforcer to increase materials strength and durability. The objective of the research is to design a new technique of converting Tronoh silica sand to silica sand nanoparticles by using ingenious combination of milling process and heating mechanism. Raw Tronoh silica sand was milled for 10 hours with heating process after every 2 hours of milling and the results are analyzed using particle size analyzer. Particles size of less than 100 nm has been repeatedly achieved in this research. Findings from this research provide a simple and low cost alternative method of producing silica sand nanoparticles.

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