In ball mills, steel balls or hard pebbles to break particle based on impact and attrition. A rotating mill charged with media and ore is lifted against the inside perimeter. Some of the media falls and impacts the ore particles at the bottom of the mill.
250 um or less using a ball mill eg spex industries 8000. Mechanical alloying and milling Semantic. 250 um or less using a ball mill eg spex industries 8000, welding, fracturing, and rewelding of powder particles in a highenergy ball mill. Get Price