Requirements for metal and alloy powders for 3D printing

OK Radchenko, KO Gogaev - Powder Metallurgy and Metal Ceramics, 2022 - Springer
There are five 3D printing methods that use metal or alloy powders. The most promising
methods are powder bed fusion, directed energy deposition, and binder jetting. General …

Discrete element simulation of powder flow in revolution powder analyser: Effects of shape factor, friction and adhesion

L Dai, YR Chan, G Vastola, YW Zhang - Powder Technology, 2022 - Elsevier
Through discrete element method (DEM) simulations in Revolution Powder Analyser (RPA),
we found a strong correlation between the static powder bed packing density and the …

Study on the variation characteristics of the average velocity of special-shaped flake particle systems moving in elliptical drums

L Zhang, Y Zhao, R Liu, S Liu - Processes, 2022 - mdpi.com
Researching the moving speed of particles in a drum is helpful to the optimal design of the
rotating device. In this paper, the average mixing velocity of flake particles with different …

Stability of a tilted granular monolayer: How many spheres can we pick before the collapse?

E Rojas, H Alarcón, V Salinas, G Castillo, P Gutiérrez - Physical Review E, 2023 - APS
The triggering of avalanches is investigated using discrete element simulations for a process
of random extraction of spheres. A monolayer, formed by identical spheres in a hexagonal …

Onset and dynamics of avalanches in a rotating cylinder: From experimental data to a geometric model

CP McLaren, BJ Leistner, S Pinzello, E Cano-Pleite… - Physical Review E, 2022 - APS
Particle image velocimetry has been applied to measure particle velocities on the free
surface of a bed of particles within a rotating cylinder during avalanching. The particle …

An exploration of Granular Material

CP McLaren - 2022 - research-collection.ethz.ch
Granular material is ubiquitous in our everyday lives. For example, in nature the dynamics of
granular materials determine how sand dunes are formed and how avalanches and …

The effect of the filling degree of the tumbling mill chamber on the bifurcation value of the froude number

K Deineka, Y Naumenko… - … fundamental principles and …, 2021 - papers.ssrn.com
The influence of the filling degree of the drum chamber on the bifurcation value of the
Froude number in the case of self-excitation of self-oscillations of a two-fraction granular …