Results 11 to 20 of about 31,225 (293)

From Quasi-static to Intermediate Regimes in Shear Cell Devices: Theory and Characterisation

open access: yesKONA Powder and Particle Journal, 2020
The design of new technology for processing and manufacturing particulate products requires understanding granular rheology over a broad range of conditions.
Victor Francia   +3 more
doaj   +1 more source

Fluidizing preparation of near spherical Nb521 alloy powders for 3D printing

open access: yesFenmo yejin jishu, 2022
The irregular-shaped hydrogenation-dehydrogenation (HDH) Nb521 alloy powders were modified by fluidization to improve the sphericity and flowability in this study. The fluidized Nb521 powders basically met the requirements of 3D printing.
CHEN Jia-nan   +4 more
doaj   +1 more source

Powder flow criteria for design of vertical silo walls [PDF]

open access: yesEngenharia Agrícola, 2013
For design of vertical silos walls involving the storage of bulk solids to be safe and reliable, it is important knowing the largest possible number of variables such as: flow properties, silo geometry and pattern of flow desired.
José P. Lopes Neto   +3 more
doaj   +1 more source

The Contribution of Various In Vitro Methodologies to Comprehending the Filling Ability of Root Canal Pastes in Primary Teeth

open access: yesBioengineering, 2023
A void-free obturation during root canal treatment on primary teeth is currently very difficult to attain. In this study, the pulpectomy filling abilities of Bio-C Pulpecto (Angelus, Basil, Londrina, Paraná, Brazil) and of zinc oxide eugenol, or “ZOE ...
Claire El Hachem   +8 more
doaj   +1 more source

Development of Self-Compacting Concrete Incorporating Rice Husk Ash with Waste Galvanized Copper Wire Fiber

open access: yesBuildings, 2022
This research work is devoted to the experimental investigation of both rheological and mechanical properties of self-compacting concrete (SCC) produced with waste galvanized copper wire fiber and rice husk ash (RHA). In the study, three different volume
Md. Habibur Rahman Sobuz   +6 more
doaj   +1 more source

Investigation of the effect of consolidation on cement flow behaviour [PDF]

open access: yes, 2020
International audienceOne of the main problems affecting the flow of cement bulk powder is the formation of cohesive arching at the outlet of the hopper, causing blockage of the silo opening and bridge formation.
Belarbi, El-Habib   +3 more
core   +2 more sources

Mathematical approaches for powders and multiparticulate units processability characterization in pharmaceutical development [PDF]

open access: yesArhiv za farmaciju, 2022
An understanding of material properties and processing effects on solid dosage forms performance is required within the Quality-by-design approach to pharmaceutical development.
Vasiljević Ivana   +3 more
doaj   +1 more source

Flowability of plane homeomorphisms [PDF]

open access: yesAnnales de l'Institut Fourier, 2012
We describe necessary and sufficient conditions for a fixed point free planar homeomorphism that preserves the standard Reeb foliation to embed in a planar flow that leaves the foliation invariant.
O'Farrell, Anthony   +3 more
openaire   +3 more sources

Analysis of the flowability of cohesive powders using Distinct Element Method [PDF]

open access: yes, 2005
Computer simulations using Distinct Element Method (DEM) have been carried out to investigate the effect of cohesion on the flowability of polydisperse particulate systems. For this purpose, two assemblies with different values of surface energy and made
Antony, SJ   +2 more
core   +1 more source

Characterization of Ti6Al4V powders produced by different methods for selective laser melting

open access: yesMaterials Research Express, 2021
A comparative investigation was made into Ti6Al4V powders produced by electrode induction melting gas atomization (EIGA), plasma spheroidization (PS), and plasma atomization (PA) in terms of particle size distribution, shape, element distribution ...
Bo Xie, Yazhuo Fan, Sanchao Zhao
doaj   +1 more source

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