Effects of the speed ratio on the efficiency of planetary mills
WEBFeb 1, 2019 · The powder mixtures were ballmilled in a modified Pulverisette 4 (Fritsch) planetary mill able to detect t ig in MSR processes by measuring the pressure inside the vial during milling. This was possible by means of a vial with a special lid that was continuously connected to the gas cylinder at a pressure of 5 bar by a rotating union .