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Journal articles on the topic 'Polydisperse materials'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Ifijen, Ikhazuagbe H., Eribe M. Jonathan, Jacob N. Jacob, Nyaknno U. Udokpoh, and Ukeme D. Archibong. "Synthesis of Polydispersed P(St-MMA-AA) Microspheres and Fabrication of Colloidal Crystals with Non-Compact Morphology." Tanzania Journal of Science 48, no. 1 (2022): 140–47. http://dx.doi.org/10.4314/tjs.v48i1.13.

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Great attention has been given to the synthesis of monodispersed and uniform colloidal polymer particles with controllable particle sizes. However, investigations on the preparation, characterization and fabrication of polydisperse polymeric particles are very few. Polydisperse polymers are also needed to meet the new demands of the modern markets due to the ease of their synthesis. This study, therefore, synthesized polydispersed poly(styrene-methyl-methacrylate acrylic-acid) (P(St-MMA-AA)) via emulsion polymerization synthetic approach under unstable reaction conditions. The synthesized P(St

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2

Teplitskii, Yu A. "On fluidization of polydisperse granular materials." Journal of Engineering Physics and Thermophysics 81, no. 2 (2008): 374–79. http://dx.doi.org/10.1007/s10891-008-0045-0.

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3

Barsky, M. "Intensification of polydisperse materials separation process." NOVYE OGNEUPORY (NEW REFRACTORIES), no. 1 (May 31, 2023): 13–15. http://dx.doi.org/10.17073/1683-4518-2023-1-13-15.

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In recent years an indubitable progress has been made in the development of separators for powder fractionating. The development of new types of cascade separators significantly improves the quality of final fractionation products. Consumed material concentration in all types of cascade separators does not exceed, as a rule, two kilograms of solid phase per a cubic meter of air flow. Therefore, to attain high productivities, considerable investments are needed, because for this purpose several apparatuses operating in parallel or apparatuses of large overall sizes are required. Special researc

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4

Погорелова, Инна, Inna Pogorelova, Карим Сулейманов, Karim Suleymanov, Дарья Кудинова, and Dar'ya Kudinova. "POLYDISPERSE COMPOSITE BINDING MATERIALS FOR AERATED CONCRETES." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 2, no. 12 (2017): 32–37. http://dx.doi.org/10.12737/article_5a27cb853c6ac8.28402706.

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5

Given, James A., and George Stell. "Improved permeability bounds for highly polydisperse materials." Physics of Fluids A: Fluid Dynamics 2, no. 11 (1990): 1929–36. http://dx.doi.org/10.1063/1.857668.

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6

Núñez, Gabriel, Rodolfo Venegas, Tomasz G. Zielinski, and François-Xavier Bécot. "Sound absorption of polydisperse heterogeneous porous composites." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 4 (2021): 2730–39. http://dx.doi.org/10.3397/in-2021-2217.

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Sound absorption of polydisperse heterogeneous porous composites is investigated in this paper. The wave equation in polydisperse heterogeneous porous composites is upscaled by using the two-scale method of homogenisation, which allows the material to be modeled as an equivalent fluid with atypical effective parameters. This upscaled model is numerically validated and demonstrates that the dissipation of sound in polydisperse heterogeneous porous composites is due to visco-thermal dissipation in the composite constituents and multiple pressure diffusion in the polydisperse heterogeneous inclus

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7

Mouraille, O., and S. Luding. "Sound wave propagation in weakly polydisperse granular materials." Ultrasonics 48, no. 6-7 (2008): 498–505. http://dx.doi.org/10.1016/j.ultras.2008.03.009.

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8

Pajor-Świerzy, Anna, Dawid Staśko, Radosław Pawłowski, Grzegorz Mordarski, Alexander Kamyshny, and Krzysztof Szczepanowicz. "Polydispersity vs. Monodispersity. How the Properties of Ni-Ag Core-Shell Nanoparticles Affect the Conductivity of Ink Coatings." Materials 14, no. 9 (2021): 2304. http://dx.doi.org/10.3390/ma14092304.

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The effect of polydispersity of nickel-silver core-shell nanoparticles (Ni-Ag NPs) on the conductivity of ink coatings was studied. Ni-Ag NPs of various average diameters (100, 220, and 420 nm) were synthesized and utilized for the preparation of conductive inks composed of monodisperse NPs and their polydisperse mixtures. The shell thickness of synthesized Ni-Ag NPs was found to be in the range of 10–20 nm and to provide stability of a core metal to oxidation for at least 6 months. The conductivity of metallic films formed by inks with monodisperse Ni-Ag NPs was compared with those formed by

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9

Li, Xiao Peng, Shao Feng Lin, Xu Liang Lv, Lei Zhao, and Liu Qiang Wen. "Influences of Aggregate on Microwave Absorbing Properties of Porous Concrete." Advanced Materials Research 648 (January 2013): 31–34. http://dx.doi.org/10.4028/www.scientific.net/amr.648.31.

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The key factors for reflection loss of porous materials were studied mainly through experimentation. Regarded aggregate particles as polydisperse particles in porous concrete, by introducing Mie solution on scattering by a spherical particle, and combining with independent scattering discipline for polydisperse particles, a theoretical method for calculating microwave absorbing properties of porous concrete with aggregate diameter in logarithm normal distribution is presented, which can forecast the absorption properties of porous concrete preferably.

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10

Sevost'yanov, M. "THEORY AND PRACTICE OF BRIQUETTING OF POLYDISPERSE MATERIALS AND PRODUCTION WASTE IN PRESS-ROLL INSTALLATIONS." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 5, no. 9 (2020): 89–96. http://dx.doi.org/10.34031/2071-7318-2020-5-9-89-96.

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The article deals with theoretical and experimental studies of the compaction processes of various types of powdered polydisperse materials for the study of kinematic, design-technological and energy-power parameters of units. The basic laws of briquetting in press-roll units and the need for their constructive and technological implementation have been established. The calculation of the main energy-power parameters of the equipment for briquetting (pressing force; power expended by the roller and jaw pre-compactors; total power consumed by the roller press) is presented. It allows considerin

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11

Léger, Emmanuel, François Costard, Rémi Lambert, Albane Saintenoy, Antoine Séjourné, and Maxime Leblanc. "Brief communication: Mimicking periglacial landforms and processes in an ice-rich layered permafrost system with polydisperse melamine materials – a new concept." Cryosphere 19, no. 6 (2025): 2037–44. https://doi.org/10.5194/tc-19-2037-2025.

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Abstract. This paper presents the results of testing polydisperse melamine material versus sand for a laboratory-based ice-rich layered soil system under thawing conditions. We demonstrate the potential of using polydisperse melamine particles for the aim of experimentally mimicking the permafrost geomorphological degradations and landslides found in periglacial field environments. We stress that these types of particles, designed for flow and sedimentary processes in rivers due to their light particle density and the granulometric sizes they span, are adequate for modeling more realistic geom

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12

Soulié, F., M. S. El Youssoufi, F. Cherblanc, and C. Saix. "Capillary cohesion and mechanical strength of polydisperse granular materials." European Physical Journal E 21, no. 4 (2006): 349–57. http://dx.doi.org/10.1140/epje/i2006-10076-2.

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13

Deng, Zhekai, Yi Fan, Jörg Theuerkauf, Karl V. Jacob, Paul B. Umbanhowar, and Richard M. Lueptow. "Modeling segregation of polydisperse granular materials in hopper discharge." Powder Technology 374 (September 2020): 389–98. http://dx.doi.org/10.1016/j.powtec.2020.06.065.

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14

Booker, D. R., and J. P. Mitchell. "The BCR programme to certify polydisperse, spherical reference materials." Journal of Aerosol Science 23 (January 1992): 293–96. http://dx.doi.org/10.1016/0021-8502(92)90407-m.

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15

Fixman, Marshall. "Scattering from Polydisperse Melts." Macromolecules 37, no. 22 (2004): 8441–56. http://dx.doi.org/10.1021/ma049646s.

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16

Nikitin, L. V., R. A. Talipov, A. P. Kazakov, and G. V. Stepanov. "Mechanical and Magnetic Properties of Polydisperse Magnetoelastics." Solid State Phenomena 152-153 (April 2009): 155–58. http://dx.doi.org/10.4028/www.scientific.net/ssp.152-153.155.

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In this work are considered new magneto-controlled materials – magnetoelastics, their elastic and magnetic properties. Much attention is devoted to influence of distribution of magnetic particles by their size on these properties. It was found that the application of a magnetic field on magnetoelastics with larger particles leads to a considerable rise of the shear modulus. It was shown that damping of torsional vibrations strongly depends on both value of magnetic field and concentration of large particles. A comparison between shear modulus, obtained from classic method and from torsional vi

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17

Madadi, Mahyar, Olivier Tsoungui, Marc Lätzel, and Stefan Luding. "On the fabric tensor of polydisperse granular materials in 2D." International Journal of Solids and Structures 41, no. 9-10 (2004): 2563–80. http://dx.doi.org/10.1016/j.ijsolstr.2003.12.005.

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18

Bellier-Castella, L., and H. Xu. "Sedimentation profiles of polydisperse fluids." Journal of Physics: Condensed Matter 15, no. 32 (2003): 5417–28. http://dx.doi.org/10.1088/0953-8984/15/32/303.

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19

Bartlett, Paul. "Freezing in polydisperse colloidal suspensions." Journal of Physics: Condensed Matter 12, no. 8A (2000): A275—A280. http://dx.doi.org/10.1088/0953-8984/12/8a/335.

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20

KHUDOYBERDIYEVA, Nazora, Sedona BURANOVA, Jahongir RASULOV, and Kamola SHOMURODOVA. "Peculiarities of the hydrodynamics of polydisperse granular materials of fluidized solids." Young Scholar's Academic Journal II, no. 8 (2023): 14–21. https://doi.org/10.5281/zenodo.10392814.

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<em>The objective of this study is to investigate the hydrodynamics of polydisperse granular materials in a fluidized bed. The hydraulic resistance of a fixed layer of granular material was experimentally measured and compared with established equations. It has been established that when working with pipes that have a diameter of less than 38 mm, the experimental data closely match those calculated by the formula that considers the effect of the ratio between the pipe diameter and the average diameter of the solid particles of the granular material. Additionally, it was observed that the heigh

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21

Chumak, Vitalii, Mariia Maksymiuk, Olena Kosenko, Vira Rudenko, and Olena Spaska. "Mathematical modeling of the sedimentation process for determining the fractional composition of suspensions." Eastern-European Journal of Enterprise Technologies 6, no. 6 (114) (2021): 23–31. http://dx.doi.org/10.15587/1729-4061.2021.247133.

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Exceptional prospects for use in science, technology and industry are opened by highly dispersed powders (ultradispersed diamonds, nanoceramics, medicinal powders) and materials based on them. The properties of such materials depend on the particle size determined by sedimentation analysis. An equation is proposed for processing sedimentation analysis data, which does not depend on the size distribution law of polydisperse system particles, and is used to describe the distribution functions of particles with radii for clay suspensions. A program in the Microsoft Visual Basic for Applications (

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22

Vitalii, Chumak, Maksymiuk Mariia, Kosenko Olena, Rudenko Vira, and Spaska Olena. "Mathematical modeling of the sedimentation process for determining the fractional composition of suspensions." Eastern-European Journal of Enterprise Technologies 6, no. 6 (114) (2021): 23–31. https://doi.org/10.15587/1729-4061.2021.247133.

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Exceptional prospects for use in science, technology and industry are opened by highly dispersed powders (ultradispersed diamonds, nanoceramics, medicinal powders) and materials based on them. The properties of such materials depend on the particle size determined by sedimentation analysis. An equation is proposed for processing sedimentation analysis data, which does not depend on the size distribution law of polydisperse system particles, and is used to describe the distribution functions of particles with radii for clay suspensions. A program in the Microsoft Visual Basic for Applications (

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23

Rengasamy, Samy, Adam Miller, Evanly Vo, and Benjamin C. Eimer. "Filter Performance Degradation of Electrostatic N95 and P100 Filtering Facepiece Respirators by Dioctyl Phthalate Aerosol Loading." Journal of Engineered Fibers and Fabrics 8, no. 3 (2013): 155892501300800. http://dx.doi.org/10.1177/155892501300800307.

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Polydisperse dioctyl phthalate (DOP) aerosols are employed for testing filter penetration with loading of R- and P-series particulate filters for National Institute for Occupational Safety and Health (NIOSH) certification. Penetration for filters must not exceed NIOSH allowed maximum levels during the entire loading of 200 mg DOP indicating no filter degradation. Degradation of respirators loaded with DOP by other aerosols as well as respirators exposed to both oil and non-oil aerosols found in some workplaces is not well studied. To better understand the degradation of respirators with electr

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24

Dorozinska, H. V. "APPLICATION OF PLASMONICS FOR THE ANALYSIS OF POLYDISPERSE SYSTEMS." Optoelektronìka ta napìvprovìdnikova tehnìka 57 (December 30, 2022): 18–28. http://dx.doi.org/10.15407/iopt.2022.57.018.

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Modern sensor technologies have advantages compared to other classical methods of analysis of liquid and gas environments, in particular, fast analysis and a small volume of the analyzed sample, high sensitivity, the ability to detect the analyzed substance in a polydisperse environment due to the specificity of the sensor. Plasmonics is one of the leading scientific directions, which is actively used in sensor technologies for the development of highly sensitive analytical devices and systems. Precision analytical devices based on SPR are used for research in the food, chemical, pharmaceutica

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25

Taylor, Mark P. "Excluded volume for polydisperse spheroplatelets." Liquid Crystals 9, no. 1 (1991): 141–43. http://dx.doi.org/10.1080/02678299108036773.

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26

Müller, J. U., and K. Bärner. "Polydisperse suspensions of BaTiO3-particles." Ferroelectrics 108, no. 1 (1990): 83–88. http://dx.doi.org/10.1080/00150199008018737.

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27

HARRIS, THOMAS C., ANDREW J. HOGG, and HERBERT E. HUPPERT. "Polydisperse particle-driven gravity currents." Journal of Fluid Mechanics 472 (November 30, 2002): 333–71. http://dx.doi.org/10.1017/s0022112002002379.

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The intrusion of a polydisperse suspension of particles over a horizontal, rigid boundary is investigated theoretically using both an integral (‘box’) model and the shallow-water equations. The flow is driven by the horizontal pressure gradient associated with the density difference between the intrusion and the surrounding fluid, which is progressively diminished as suspended particles sediment from the flow to the underlying boundary. Each class of particles in a polydisperse suspension has a different settling velocity. The effects of both a discrete and continuous distribution of settling

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28

Tomaszewska, Emilia, Katarzyna Soliwoda, Kinga Kadziola, et al. "Detection Limits of DLS and UV-Vis Spectroscopy in Characterization of Polydisperse Nanoparticles Colloids." Journal of Nanomaterials 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/313081.

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Dynamic light scattering is a method that depends on the interaction of light with particles. This method can be used for measurements of narrow particle size distributions especially in the range of 2–500 nm. Sample polydispersity can distort the results, and we could not see the real populations of particles because big particles presented in the sample can screen smaller ones. Although the theory and mathematical basics of DLS technique are already well known, little has been done to determine its limits experimentally. The size and size distribution of artificially prepared polydisperse si

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29

Fredrickson, Glenn H., and Scott W. Sides. "Theory of Polydisperse Inhomogeneous Polymers." Macromolecules 36, no. 14 (2003): 5415–23. http://dx.doi.org/10.1021/ma034082y.

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30

Pagonabarraga, I., and M. E. Cates. "Dynamics of Polydisperse Polymer Mixtures." Macromolecules 36, no. 3 (2003): 934–49. http://dx.doi.org/10.1021/ma020690m.

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31

Dan, N. "Brush adsorption from polydisperse solutions." Macromolecules 27, no. 8 (1994): 2310–12. http://dx.doi.org/10.1021/ma00086a049.

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32

Roefs, S. P. F. M., J. M. H. M. Scheutjens, and F. A. M. Leermakers. "Adsorption Theory for Polydisperse Polymers." Macromolecules 27, no. 17 (1994): 4810–16. http://dx.doi.org/10.1021/ma00095a023.

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33

Gaitanaros, Stavros, Stelios Kyriakides, and Andrew M. Kraynik. "On the crushing of polydisperse foams." European Journal of Mechanics - A/Solids 67 (January 2018): 243–53. http://dx.doi.org/10.1016/j.euromechsol.2017.09.010.

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34

Wackenhut, M., S. McNamara, and H. Herrmann. "Shearing behavior of polydisperse media." European Physical Journal E 17, no. 2 (2005): 237–46. http://dx.doi.org/10.1140/epje/i2004-10144-7.

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35

Kuznetsov, Andrey A., and Ivan A. Podlesnykh. "Magnetophoretic Equilibrium of a Polydisperse Ferrofluid." Nanomaterials 11, no. 11 (2021): 2849. http://dx.doi.org/10.3390/nano11112849.

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The equilibrium concentration distribution of magnetic nanoparticles in a nonuniform magnetic field is studied theoretically. A linear current-carrying wire is used as a source of a nonuniform field. An exact solution for the concentration profile of a dilute monodisperse suspension is obtained within the framework of the continuous mass transfer theory. The applicability of this solution in a broad range of amperage values is tested using Langevin dynamics simulations. Obtained solution is also generalized for polydisperse suspensions. It is demonstrated that the particle size distribution in

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36

Dahiya, Prerna, Marco Caggioni, and Patrick T. Spicer. "Arrested coalescence of viscoelastic droplets: polydisperse doublets." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 374, no. 2072 (2016): 20150132. http://dx.doi.org/10.1098/rsta.2015.0132.

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Arrested droplet coalescence produces stable anisotropic shapes and is a key mechanism for microstructure development in foods, petroleum and pharmaceutical formulations. Past work has examined the dynamic elastic arrest of coalescing monodisperse droplet doublets and developed a simple model of doublet strain as a function of physical variables. Although the work describes experimental data well, it is limited to describing same-size droplets. A new model incorporating a generalized description of doublet shape is developed to describe polydisperse doublet formation in more realistic emulsion

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37

Finerman, T. M., and B. Crist. "Self-diffusion of polydisperse linear polymers." Journal of Non-Crystalline Solids 131-133 (June 1991): 620–23. http://dx.doi.org/10.1016/0022-3093(91)90658-s.

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38

Dorogina, G. A., I. A. Kuznetsov, E. S. Gorkunov, and Yu V. Subachev. "Electromagnetic properties and structure of polydisperse mechanically activated Fe-Si materials." Bulletin of the Russian Academy of Sciences: Physics 73, no. 1 (2009): 132–35. http://dx.doi.org/10.3103/s1062873809010353.

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39

Schlick, Conor P., Austin B. Isner, Ben J. Freireich, et al. "A continuum approach for predicting segregation in flowing polydisperse granular materials." Journal of Fluid Mechanics 797 (May 16, 2016): 95–109. http://dx.doi.org/10.1017/jfm.2016.260.

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Segregation of polydisperse granular materials occurs in many natural and industrial settings, but general theoretical modelling approaches with predictive power have been lacking. Here we describe a model capable of accurately predicting segregation for both discrete and continuous particle size distributions based on a generalized expression for the percolation velocity. The predictions of the model depend on the kinematics of the flow and other physical parameters such as the diffusion coefficient and the percolation length scale, quantities that can be determined directly from experiment,

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40

ŚciA̧żko, M., and J. Bandrowski. "Effect of pressure on the minimum bubbling velocity of polydisperse materials." Chemical Engineering Science 40, no. 10 (1985): 1861–69. http://dx.doi.org/10.1016/0009-2509(85)80122-6.

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41

Teplitskii, Yu S., and V. I. Kovenskii. "Velocity of full fluidization of a bed of polydisperse granular materials." Journal of Engineering Physics and Thermophysics 82, no. 2 (2009): 291–95. http://dx.doi.org/10.1007/s10891-009-0200-2.

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42

Herod, Alan A. "Limitations of mass spectrometric methods for the characterization of polydisperse materials." Rapid Communications in Mass Spectrometry 24, no. 17 (2010): 2507–19. http://dx.doi.org/10.1002/rcm.4653.

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43

Trulsson, M., E. Trizac, and L. Šamaj. "Planar screening by charge polydisperse counterions." Journal of Physics: Condensed Matter 30, no. 3 (2017): 035001. http://dx.doi.org/10.1088/1361-648x/aa9a79.

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44

Sollich, Peter. "Predicting phase equilibria in polydisperse systems." Journal of Physics: Condensed Matter 14, no. 3 (2001): R79—R117. http://dx.doi.org/10.1088/0953-8984/14/3/201.

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45

Seto, Takafumi, Atsushi Hirota, Toshiyuki Fujimoto, Manabu Shimada, and Kikuo Okuyama. "Sintering of Polydisperse Nanometer-Sized Agglomerates." Aerosol Science and Technology 27, no. 3 (1997): 422–38. http://dx.doi.org/10.1080/02786829708965482.

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46

Fortes, M. A., and M. Emília Rosa. "Uniaxial deformation of 2D polydisperse froths." Journal of Physics: Condensed Matter 11, no. 40 (1999): 7947–57. http://dx.doi.org/10.1088/0953-8984/11/40/318.

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47

Poloz, O. Yu, Yu M. Vashchenko, Yu R. Ebich, N. M. Yevdokimenko, and Yu V. Havryliuk. "Modeling the packing density of polydisperse silicon carbide particles in wear-resistant epoxy composites." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 3 (June 2025): 119–25. https://doi.org/10.32434/0321-4095-2025-160-3-119-125.

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The development of competitive, wear-resistant polymeric materials that satisfy modern demands for quality, efficiency, and operational reliability remains a critical challenge in polymer materials science. One promising approach is to achieve a dense packing of polydisperse filler particles with high Mohs hardness within epoxy composites. This study applies and compares the most common computational methods used for modeling the packing density of polydisperse silicon carbide particles in wear-resistant epoxy composites to identify the most effective model. Optical microscopy and sieve analys

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48

Shamgulov, R. "DEVELOPMENT, RESEARCH AND PILOT INDUSTRIAL DEVELOPMENT OF CARBON BLACK AGGLOMIRATION TECHNOLOGY." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 8, no. 12 (2023): 124–37. http://dx.doi.org/10.34031/2071-7318-2023-8-12-124-137.

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The article examines the issues of agglomeration of polydisperse technogenic materials with low bulk density, in particular carbon black (CB). Patent-protected technical solutions and technology for processing organic solid technogenic materials obtained by processing MSW by low-temperature thermolysis (T≤500 C) are presented. Distinctive features of the developed technical means are: sealing loading and unloading units without access to air oxygen, geometric profile and configuration of internal working parts, a system for aspiration and condensation of a vapor-gas mixture, etc. A patent-prot

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49

Garkina, Irina, and Alexander Danilov. "Kinetic Processes in Polydisperse Systems: Experience of Practical Approximation." Key Engineering Materials 814 (July 2019): 33–37. http://dx.doi.org/10.4028/www.scientific.net/kem.814.33.

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Composite material is considered as a complex system with corresponding system attributes. The systematization of studies on the structure formation of composites is carried out to ensure the fundamentalization of building materials based on the use of analytical methods. The experience of using the linearization of kinetic processes in polydisperse systems is given. The most important cases are considered. Examples of parametric identification of a table-specified and nonlinear kinetic processes are given. The results were used in the development of special purpose composite materials.

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50

Shevchenko, A. E., A. P. Solonenko, and A. A. Matyushenko. "GRANULAR OSTEOPLASTIC MATERIALS BASED ON TRICALCIUM PHOSPHATE AND WOLLASTONITE." DYNAMICS OF SYSTEMS, MECHANISMS AND MACHINES 11, no. 3 (2023): 11–15. http://dx.doi.org/10.25206/2310-9793-2023-11-3-11-15.

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An important area of modern materials science is the development of synthetic materials for bone grafting, providing gradual restoration of damaged hard tissues. In this work, a series of ceramic granular materials with varying contents of tricalcium phosphate and wollastonite were obtained using emulsion technology. It is shown that the synthesized particles have a spherical shape, polydisperse composition (0.1 – 4 mm) and open porosity in the range of 50 – 56%. These characteristics will make it possible to use the developed materials in maxillofacial surgery, traumatology and orthopedics to

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