Abstract
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.
Highlights
Nanoparticles of silica sand have been researched progressively and produced due to the unique features as a result of size reduction
The objective of this research is to design a technique of transforming natural Tronoh silica sand to silica sand nanoparticles by using a combination of low speed ball milling and heating processes
It is expected that the technique will be able to produce high purity silica sand nanoparticles of less than 100 nm consistently
Summary
Nanoparticles of silica sand have been researched progressively and produced due to the unique features as a result of size reduction. Silica sand nanoparticles have proved to be a very effective additive to polymers by improving durability, strength, and flexibility. Nanosilica is used as an additive to improve strength and workability of self-compacting and high performance concretes. Chemical synthesis of nanosilica produces high contamination in the final products. Other processes such as precipitation, vaporization at high temperature, sol-gel process, high speed vertical rotating mill, and planetary ball mill are among the most commonly used methods to produce silica sand nanoparticles. The objective of this research is to design a technique of transforming natural Tronoh silica sand to silica sand nanoparticles by using a combination of low speed ball milling and heating processes. It is expected that the technique will be able to produce high purity silica sand nanoparticles of less than 100 nm consistently. The parameters tested in this paper are ball to powder weight ratio (BPR), volume of milling jar, and milling speed
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