Modeling of the planetary ball-milling process: The case study of ceramic powders

被引：51

作者：

Broseghini, M. ^{[1
]}

Gelisio, L. ^{[1
]}

D'Incau, M. ^{[1
]}

Ricardo, C. L. Azanza ^{[1
]}

Pugno, N. M. ^{[2
,3
,4
]}

Scardi, P. ^{[1
]}

机构：

[1] Univ Trento, Dept Civil Environm & Mech Engn, Via Mesiano 77, I-38123 Trento, Trento, Italy

[2] Univ Trento, Dept Civil Environm & Mech Engn, Lab Bioinspired & Graphene Nanomech, Via Mesiano 77, I-38123 Trento, Trento, Italy

[3] Fdn Bruno Kessler, Ctr Mat & Microsyst, Via Sommarive 18, I-38123 Povo, Trento, Italy

[4] Queen Mary Univ London, Sch Engn & Mat Sci, Mile End Rd, London E1 4NS, England

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2016年 / 36卷 / 09期

基金：

欧洲研究理事会;

关键词：

Ball milling; Multibody simulations; X-ray diffraction; Microstructure; CaF2; SOLUBLE DRUGS; IMPACT ENERGY; OXIDE; SIMULATION; SIZE; TRANSFORMATIONS; EXFOLIATION; PARAMETERS; REVOLUTION; DISPERSION;

D O I：

10.1016/j.jeurceramsoc.2015.09.032

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A numerical dynamic-mechanical model of a planetary ball-mill is developed to study the dependence of process efficiency on milling parameters like ball size and number, jar geometry and velocity of the revolving parts. Simulations provide evidence of the correlation between milling parameters and the resulting microstructure of the ground material. In particular, maximum efficiency of the grinding process is observed with the most disordered ball motion, which is obtained within a well-defined range of jar to plate velocity ratios. As a significant case study in ceramic powder technology, the model is presented and validated for calcium fluoride (CaF2), ground under different conditions in a planetary mill, and then characterized by X-ray powder diffraction and scanning electron microscopy. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：2205 / 2212

页数：8

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