Impact of milling time and method on particle size and surface ...
WEBJan 1, 2018 · Initially the jars were rinsed with sample alumina for 10 hours as previously the jars were exposed to iron oxide material shown in Fig. 10. 220 gm of alumina per jar (2 jars) was placed in the ball mill and was ground for 5 hours and 10 hrs in their dual drive mill laid open to highenergy collision from the balls.