Calculation of energy intensity and temperature of mechanoactivation process in planetary ball mill by computer simulation

摘要

Mechanical alloying (MA) is one of the novel processes of alloy formation by severe plastic deformation of metallic components in high-energy ball mills. Analysis of the energy intensity and average temperature of the milling process in planetary ball mill was carried out by computer simulation. The dependences of energy dissipation and average temperature in a vial on the fill fraction of the vial by balls, on the elasticity of ball's collision and their friction coefficient are determined. The results of computer simulation were compared with ones calculated using the analytical formula. The obtained results allow one to choose optimal modes of ball milling with regard to the specific character of concrete tasks.