A stochastic particle replacement strategy for simulating breakage in DEM

LM Tavares, S Anderson - Powder Technology, 2021 - Elsevier
Abstract Description of particle breakage embedded in a simulation using the discrete
element method (DEM) qualifies it to describe processes in which breakage is either desired …

Review and further validation of a practical single-particle breakage model

LM Tavares - KONA Powder and Particle Journal, 2022 - jstage.jst.go.jp
Particle breakage occurs in comminution machines and, inadvertently, in other process
equipment during handling as well as in geotechnical applications. For nearly a century …

Adapting a breakage model to discrete elements using polyhedral particles

LM Tavares, FP André, A Potapov, C Maliska Jr - Powder Technology, 2020 - Elsevier
Several approaches have been proposed in the past to describe particle breakage inside
the DEM environment. The large number of particles dealt with in most operations of interest …

Energy-based modelling of single-particle breakage by slow compression

TM Campos, C Andersson, M Evertsson, M Powell… - Minerals …, 2024 - Elsevier
Compression of particles to a fixed final gap is the mode of application of stresses in many
crushing devices. Understanding and modelling this particle fracture process is …

Rigidly-mounted roll mill as breakage tester for characterizing fine particle breakage

AC Böttcher, C Thon, G Fragnière, A Chagas… - Powder Technology, 2021 - Elsevier
Fine grinding based on compression stresses is an important industrial process step, which
is often applied in mineral, chemical and pharmaceutical industries, for example by using …

Back-calculation of particle fracture energies using data from rotary breakage testing devices

LM Tavares, RM de Carvalho, B Bonfils… - Minerals …, 2020 - Elsevier
Breakage probabilities and fracture energy distributions have now found application in
several mathematical models that simulate both degradation during handling and …

Effect of mineralogy on grindability-A case study of copper ores

T Nghipulile, TE Moongo, G Dzinomwa… - Journal of the …, 2023 - scielo.org.za
The effect of mineralogy on the grindability was investigated using three copper ores-two
sulphides and one oxide. The dominant copper minerals were identified by optical …

[PDF][PDF] From average-based ore impact breakage characterisation to quantifying breakage variability

F Faramarzi, RD Morrison… - XXIX Internationa l …, 2018 - researchgate.net
The most common comminution testing methods and the associated analytical procedures
provide average values and do not capture the variability in breakage behaviour of ore …

The Breakage of Shape-Anisotropic Particles under Normal Contact with Different Particle Shape Parameters

Y Zhang, Q Jian, J Zhou, Q Huang, L Li, Y Niu - Applied Sciences, 2021 - mdpi.com
This paper elaborates the cone–hemispherical gypsum particle breakages under normal
contact with different particle shape parameters (contact diameter d, cone angle θ and …

Исследование влияния энергозатрат при механоактивации в центробежной мельнице на характеристики порошков оксида меди

ДК Жиров - Химическая физика и мезоскопия, 2020 - cyberleninka.ru
Фазовый состав порошков Cu-O был определён по данным рентгенофазового анализа
(РФА)(дифрактометр D2 Phaser, Bruker, длина волны возбуждающего излучения λ …