Particle Morphology Change and Quantitative Input Energy Variation during Stirred Ball Milling Process by DEM Simulation on Various Experimental Conditions

Amgalan Bor; Uyanga Batjargal; Battsetseg Jargalsaikhan; Jehyun Lee; Heekyu Choi

doi:10.3740/MRSK.2018.28.3.148

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Particle Morphology Change and Quantitative Input Energy Variation during Stirred Ball Milling Process by DEM Simulation on Various Experimental Conditions 교반볼밀을 이용한 밀링공정에서 각종실험조건에 따른 구리분말의 입자형상 변화 및 DEM 시뮬레이션에 의한 정량적 에너지 변화

March 2018. pp. 148-158

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Abstract

This study investigated the effect of the grinding media of a ball mill under various conditions on the raw material of copper powder during the milling process with a simulation of the discrete element method. Using the simulation of the three-dimensional motion of the grinding media in the stirred ball mill, we researched the grinding mechanism to calculate the force, kinetic energy, and medium velocity of the grinding media. The grinding behavior of the copper powder was investigated by scanning electron microscopy. We found that the particle size increased with an increasing rotation speed and milling time, and the particle morphology of the copper powder became more of a plate type. Nevertheless, the particle morphology slightly depended on the different grinding media of the ball mill. Moreover, the simulation results showed that rotation speed and ball size increased with the force and energy.

Keywords

stirred ball mill

particle morphology

ball material

DEM simulation

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Information

Publisher :Materials Research Society of Korea
Publisher(Ko) :한국재료학회
Journal Title :Korean Journal of Materials Research
Journal Title(Ko) :한국재료학회지
Volume : 28
No :3
Pages :148-158
Received Date : 2018-01-09
Revised Date : 2018-02-02
Accepted Date : 2018-02-07
DOI :https://doi.org/10.3740/MRSK.2018.28.3.148

Korean Journal of Materials Research ISSN:1225-0562(Print) 2287-7258(Online) 한국재료학회지

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