Results 11 to 20 of about 63,496 (206)

Lubricant sensitivity in function of paddle movement in the forced feeder of a high-speed tablet press [PDF]

, 2016
Context: The negative impact of magnesium stearate (MgSt) on the hardness of tablets is a well-known phenomenon, but the influence of paddle movement in the forced feeder on the lubricant effect during tablet compression is often neglected.
Peeters, Elisabeth, Remon, Jean Paul, Vanhoorne, Valérie, Vervaet, Chris   +3 more
core   +2 more sources

On dense granular flows [PDF]

, 2003
The behaviour of dense assemblies of dry grains submitted to continuous shear deformation has been the subject of many experiments and discrete particle simulations.
Aharonov, Ancey, Andreotti, Babic, Baxter, Bertho, Bertho, Berton, Bocquet, Boltenhagen, Bonamy, Bonamy, Campbell, Chambon, Cruz, Daerr, Debregeas, Debregeas, Denniston, Dury, Elperin, Ertas, Evesque, Falk, Fenistein, Forterre, Gennes, Goldhirsch, Goujon, Grasselli, Hanes, Howell, Hutter, Johnson, Kabla, Khakhar, Khakhar, Komatsu, Kuhn, Liu, Lätzel, Menon, Miller, Mills, Nakagawa, Nasuno, Natarajan, Nedderman, Orpe, Pont, Pont, Pouliquen, Pouliquen, Pouliquen, Pouliquen, Radjai, Rajchenbach, Rajchenbach, Rajchenbach, Roux, Savage, Schwarz, Schöllmann, Silbert, Silbert, Taberlet, Tardos, Thomas, Thompson, Tüzün, Veje, Volfson, Yamane, Zhang, Zhou, Zhou   +75 more
core   +3 more sources

Composite nanostructured solid-acid fuel-cell electrodes via electrospray deposition [PDF]

, 2010
Stable, porous, nanostructured composite electrodes were successfully fabricated via the inexpensive and scalable method of electrospray deposition, in which a dissolved solute is deposited onto a substrate using an electric field to drive droplet ...
Brunelli, Nicholas A., Giapis, Konstantinos P., Haile, Sossina M., Louie, Mary W., Varga, Áron   +4 more
core   +1 more source

EPR and Structural Characterization of Water-Soluble Mn2+-Doped Si Nanoparticles. [PDF]

, 2017
Water-soluble poly(allylamine) Mn2+-doped Si (SiMn) nanoparticles (NPs) were prepared and show promise for biologically related applications. The nanoparticles show both strong photoluminescence and good magnetic resonance contrast imaging.
Atkins, Tonya M, Ganguly, Shreyashi, Janka, Oliver, Kauzlarich, Susan M, Louie, Angelique Y, Singh, Mani P, Walton, Jeffrey H   +6 more
core   +3 more sources

Influence of Rough and Smooth Walls on Macroscale Flows in Tumblers

, 2015
Walls in discrete element method simulations of granular flows are sometimes modeled as a closely packed monolayer of fixed particles, resulting in a rough wall rather than a geometrically smooth wall.
D'Ortona, Umberto, Lueptow, Richard M., Thomas, Nathalie, Zaman, Zafir   +3 more
core   +3 more sources

Fractal dimension of fumed silica: Comparison of light scattering and electron microscope methods [PDF]

, 2010
Due to the enormous increase in nanopowder production, it becomes necessary to find and develop adapted characterization techniques. In the case of nanostructured agglomerates, the structure of these particles has a direct impact on flowing, and handling,
Biscans, Béatrice, Isabeta, Nelson
core   +3 more sources

Iron-stabilized nanocrystalline ZrO2 solid solutions: Synthesis by combustion and thermal stability [PDF]

, 2009
The synthesis of Fe3+-stabilized zirconia by the nitrate/urea combustion route was investigated. Using several characterization techniques, including X-ray diffraction, field-emission-gun scanning electron microscopy and notably Mo¨ ssbauer spectroscopy,
Barnabé, Antoine, De Grave, Eddy, De Resende, Valdirene Gonzaga, Laurent, Christophe, Legorreta Garcia, Felipe, Peigney, Alain   +5 more
core   +2 more sources

Computer Tomograph Measurements in Shear and Gravity Particle Flows [PDF]

, 2002
The paper reports the recent results obtained on the applicability of cross-sectional digital imaging method to study particle flow characteristics in 3D particle beds forced to move by gravity or shear.
Bogner, P., Dencs, B., Földes, T., Gyenis, János, Szépvölgyi, J.   +4 more
core  

Scaling forces to asteroid surfaces: The role of cohesion

, 2010
The scaling of physical forces to the extremely low ambient gravitational acceleration regimes found on the surfaces of small asteroids is performed. Resulting from this, it is found that van der Waals cohesive forces between regolith grains on asteroid ...
Hartzell, C. M., Sanchez, P., Scheeres, D. J., Swift, M.   +3 more
core   +1 more source

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

Advanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi, Pasquale Guglielmi, Gianfranco Palumbo, Giuseppe Carbone   +3 more
wiley   +1 more source