Ultra fine grinding mechanism of inorganic powders in a Bernhart C Reinsdh E and Husemann K The Influence of Suspension Properties on Ultra fine Grinding in Stirred Ball Mills Powder Technol 105 357 1999 Article Google Scholar Choi H K and Choi W S Ultra fine Grinding Mechanism of Inorganic Powders and Modification in a Stirred Ball Mill 9 — The Effect of Grinding Aids Proceeding of 1st Asian Particle