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A mathematical analysis of milling mechanics in a planetary ball mill
Materials Chemistry and Physics, 2001A detailed mathematical analysis is presented to advance the current understanding of the mechanics of milling operation in a planetary ball mill in terms of a global Cartesian reference space. The ab initio calculations have identified the role of milling parameters in determining the condition of detachment of the ball from the vial wall.
P.P Chattopadhyay +3 more
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Experimental investigations and modelling of the ball motion in planetary ball mills
Powder Technology, 2011Abstract Planetary ball mills feature attractive properties, like the possibility of dry or wet operation, straightforward handling, cleanability and moderate costs. Consequently they are very well suited for lab scale process development in diverse industries, including pharmaceuticals and new materials. A number of questions still remain unanswered
S. Rosenkranz +2 more
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Simulation of ball motion and energy transfer in a planetary ball mill
Chinese Physics B, 2012A kinetic model is proposed for simulating the trajectory of a single milling ball in a planetary ball mill, and a model is also proposed for simulating the local energy transfer during the ball milling process under no-slip conditions. Based on the kinematics of ball motion, the collision frequency and power are described, and the normal impact forces
Sheng-Yong Lu +4 more
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Production of Foamed Concrete in a Planetary Ball Mill
Key Engineering Materials, 2020Nowadays, the type of foamed concrete performs a group of cemented composite materials that can compete with conventionally used autoclaved aerated concrete. Improving microstructure of the foamed concrete by inventive mixing technology allows to homogenizate the mix of foamed concrete.
Eva Namsone +3 more
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Production of nanocrystalline lithium fluoride by planetary ball-milling
Powder Technology, 2014Abstract Lithium fluoride nanopowders have been prepared by high-energy milling using a planetary ball-mill. The influence of dispersion agents, milling time, ball-size and ball-to-powder ratio on the properties of the material has been investigated by powder X-ray diffraction (XRD), scanning electron microscopy (SEM) and N 2 -physisorption ...
Wall, C. +4 more
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Ultrafine Powder Production in a Planetary Ball Mill
Particulate Science and Technology, 1997ABSTRACT Planetary ball mills, by virtue of their design, exert as much as 100 gravitational fields in the milling environment. Hence the kinetics of grinding is rapid, and due to the greater stress, the particle size reaches ultrafine sizes. The grinding of aluminum oxide and silicon carbide in a specially built planetary mill is discussed. The effect
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Modeling energy requirements in planetary ball milling of rice grain
Particulate Science and Technology, 2021Modified rice flours were obtained by high-impact milling. A factorial design was performed in a planetary ball mill varying rotational speed (450–650 rpm) and milling time (10–40 min) while millin...
Loubes, María Ana +2 more
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Suspension rheology during wet comminution in planetary ball mill
Chemical Engineering Research and Design, 2008Obtaining and controlling desirable system behavior in terms of rheology is important issue in many engineering problems. This study monitors rheological behavior of dolomite suspensions produced by wet comminution in planetary ball mill. Dolomite has a number of uses, in agriculture, steelmaking, glass making, ceramic industry, pharmaceutical industry
Glasnović, Antun +2 more
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Techno-functional characterization of chitosan nanoparticles prepared through planetary ball milling
International Journal of Biological Macromolecules, 2020Planetary ball milling of chitosan microparticles (CMP) for 8 h produced chitosan nanoparticles (CNP) having hydrodynamic diameter of 615.18 nm. The ζ-potential decreased from 56.48 mV (CMP) to 31.52 mV (CNP). High resolution transmission electron microscopy (HRTEM) revealed nanosize, irregular shape and surface roughening of CNP.
Touseef Ahmed, Wani +3 more
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Dolomite grinding behavior in laboratory planetary ball mill
Industrial ceramics, 2007Population balances are the most useful tool in solving many engineering problems including comminution process modeling. Studying batch grinding in terms of material balances inevitably demands for determining two basic functions: breakage rate function, also known as selection function and breakage distribution function.
Matijašić, Gordana +2 more
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