Relevant bibliographies by topics / Mechanical particles

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Mechanical particles'

Author: Grafiati
Published: 28 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "Mechanical particles"

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Iweriolor, Sunday, and Ikenna Uchechukwu Mbabuike. "Journal of Modern Thermodynamics in Mechanical System." Journal of Modern Thermodynamics in Mechanical System 5, no. 1 (2023): 14–25. http://dx.doi.org/10.46610/jmtms.2023.v05i01.002.

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Surface thermodynamics study is the application of colloidal science to an investigative search for the nature and rate of heat transfer on the surface of any particle-particle interaction. This paper presents the theory and a designed practical methodology for the demonstration of the Combined Hamaker Coefficient. The nature and effectiveness of any interaction between two or more particles can be determined using this thermodynamic approach. Samples of blood lymphocytes and HIV particles in a serum containing antiretroviral drug particles were used. The Hamaker concept based on Van der Waal’
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Gao, Hong Xia, Yu Hui Zhang, Jian Xiu Liu, and Gai Yun Yang. "Study on the Reinforcement of Aluminum Alloy A356 Using SiC Particles by Mechanical Stirring." Advanced Materials Research 399-401 (November 2011): 368–71. http://dx.doi.org/10.4028/www.scientific.net/amr.399-401.368.

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This paper is to research the manufacturing process of A356 alloy matrix composites reinforced by SiC particles by mechanical stirring and how the size of particles ,volume fraction affect mechanical property has been studied , too. The text results revealed that larger particles especially particle size larger than 30um were suitable using this technique, meanwhile, it will hard to adding particles into the alloy when particle lower than 20um size. The effects of SiC particle addition on the hardness properties of A356 alloy and with higher volume fraction particles lead to greater hardness.
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Feng, Xiaowei, Fei Xue, Tongyang Zhao, and Wenjie Jiang. "Mechanical Modification of Resin Capsules by Adding Steel Particles." Shock and Vibration 2021 (June 24, 2021): 1–13. http://dx.doi.org/10.1155/2021/6627520.

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Five kinds of steel particles with sizes ranging from 0.6 mm to 2.2 mm with increments of 0.4 mm were mixed with mining resin materials, and the mixing ratio of the particles was also varied. By using this approach, the film gloving problem of coal mine bolting should be effectively solved due to the shredding effects of the particles during bolt rotation. The premise is that the mechanical behavior should not be weakened under such conditions. A total of 47 standard cylindrical specimens were manually prepared, which included pure resin specimens and specimens containing particles with differ
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Keneshloo, Mahnaz, Moslem Paidar, and Morteza Taheri. "Role of SiC ceramic particles on the physical and mechanical properties of Al–4%Cu metal matrix composite fabricated via mechanical alloying." Journal of Composite Materials 51, no. 9 (2016): 1285–98. http://dx.doi.org/10.1177/0021998316673145.

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In the present investigation, Al–Cu composites with SiC particulates were fabricated via mechanical alloying process. The aim of this study was to evaluate the effect of milling time (8, 12, 16 and 32 h), particle size (30 nm and 15 µm) and volume fractions (5, 10 and 15 wt.%) of SiC particles on the metallurgical and mechanical properties. Scanning electron microscopy equipped with X-ray diffraction method was used to investigate the microstructural evolution and morphological changes created during mechanical alloying. Microstructural study indicated that SiC particles were well distributed
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Hilchenbach, Martin, Henning Fischer, Yves Langevin, et al. "Mechanical and electrostatic experiments with dust particles collected in the inner coma of comet 67P by COSIMA onboard Rosetta." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 375, no. 2097 (2017): 20160255. http://dx.doi.org/10.1098/rsta.2016.0255.

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The in situ cometary dust particle instrument COSIMA (COmetary Secondary Ion Mass Analyser) onboard ESA's Rosetta mission has collected about 31 000 dust particles in the inner coma of comet 67P/Churyumov–Gerasimenko since August 2014. The particles are identified by optical microscope imaging and analysed by time-of-flight secondary ion mass spectrometry. After dust particle collection by low speed impact on metal targets, the collected particle morphology points towards four families of cometary dust particles. COSIMA is an in situ laboratory that operates remotely controlled next to the com
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Canakci, Aykut, Fazli Arslan, and Temel Varol. "Physical and mechanical properties of stir-casting processed AA2024/B4Cp composites." Science and Engineering of Composite Materials 21, no. 4 (2014): 505–15. http://dx.doi.org/10.1515/secm-2013-0118.

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AbstractIn this study, metal matrix composites of an aluminum alloy (AA2024) and B4C particles with volume fractions 3, 5, 7, and 10 vol% and with sizes 29 and 71 μm were produced using stir-casting technique. The effects of B4C particle content and size of boron carbide on the mechanical properties of the composites such as hardness, 0.2% yield strength, tensile strength, and fracture were investigated. Furthermore, the relation between particle content, microstructure, and particle distribution has been investigated. The hardness of the composites increased with increasing particle volume fr
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Pang, Longlong, Yuzhong Yang, Liyun Wu, Fei Wang, and Han Meng. "Effect of Particle Sizes on the Physical and Mechanical Properties of Briquettes." Energies 12, no. 19 (2019): 3618. http://dx.doi.org/10.3390/en12193618.

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The particle size of coal particles is an important factor affecting the physical and mechanical properties of coal. In this study, uniaxial and triaxial compression tests were conducted to investigate the effects of coal particle size on the physical and mechanical properties of briquettes and their impact mechanism using a rock mechanics test-150B servo system (RMT-150B). The results showed that the uniaxial compression strength, elastic modulus and deformation modulus of briquettes increase when particle size is decreased. The deformation characteristics of the briquettes directly prepared
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Kim, Kiho, Seokgyu Ryu, and Jooheon Kim. "Highly dispersible laser activate particles via surface modification for laser direct structuring and electroless plating application." Journal of Composite Materials 53, no. 10 (2018): 1377–86. http://dx.doi.org/10.1177/0021998318798453.

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A composite of laser-activate particles and the super engineering plastic of polyphenylene sulfide was fabricated via melt-mixing. The laser-activate particle surfaces were modified using hydroperoxide and three different silane coupling agents. The laser-activate particles dramatically deteriorate the mechanical properties of polyphenylene sulfide because of its low compatibility with the polymer. However, surface modification, especially via amino silane treatment, effectively prevented the degradation of thermal and mechanical properties upon adding laser-activate particle, while modificati
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Ávila Córdoba, Liliana, Gonzalo Martínez-Barrera, Carlos Barrera Díaz, Fernando Ureña Nuñez, and Alejandro Loza Yañez. "Effects on Mechanical Properties of Recycled PET in Cement-Based Composites." International Journal of Polymer Science 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/763276.

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Concretes consisting of portland cement (OPC), silica sand, gravel, water, and recycled PET particles were developed. Specimens without PET particles were prepared for comparison. Curing times, PET particle sizes, and aggregate concentrations were varied. The compressive strength, compressive strain at yield point, and Young modulus were determined. Morphological and chemical compositions of recycled PET particles were seen in a scanning electron microscopy. Results show that smaller PET particle sizes in lower concentrations generate improvements on compressive strength and strain, and Young’
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Heah, Cheng Yong, Hussen Kamarudin, Mohd Mustafa Al Bakri Abdullah, et al. "Effect of Mechanical Activation on Kaolin-Based Geopolymers." Advanced Materials Research 479-481 (February 2012): 357–61. http://dx.doi.org/10.4028/www.scientific.net/amr.479-481.357.

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Raw materials kaolin was subjected to mechanical modification; the effect of the mechanical activation of kaolin on the compressive strength and morphological properties of the geopolymers has been studied. Mechanical activation of the kaolin results in particle size reduction and morphology changes with increase in reactivity. Mechanical activated kaolin has overall higher strength gain compared to raw kaolin. Wider particle size distribution and some spherical particles produced, promote a higher packaging density in the sample resulting in higher strength obtained. Mechanically activation o
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Dissertations / Theses on the topic "Mechanical particles"

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Rumble, Katherine Ann. "Mechanical properties of particle-stabilised liquid-liquid interfaces." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31199.

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Over the past couple of decades interest in particle-stabilised emulsions or Pickering emulsions has greatly increased. When using particles as stabilisers, as opposed to surfactants, the interface becomes more rigid and this can lead to interesting physical properties. In addition, the resulting emulsions are found to be longer-lived garnering commercial interest. This thesis aims to explore the mechanical properties of some specific systems containing particle-stabilised interfaces. The main system investigated was the bicontinuous interfacially jammed emulsion gel or bijel. The bijel has tw
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Asmatulu, Ramazan. "Advanced Chemical-Mechanical Dewatering of Fine Particles." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/26604.

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In the present work, novel dewatering aids and a novel centrifuge configuration were developed and applied for the purpose of dewatering fine particles. Three different types dewatering reagents were tested in different filtration and centrifugation units. These chemicals included low-HLB surfactants, naturally occurring lipids, and modified lipids. Most of these reagents are insoluble in water; therefore, they were used in solutions of appropriate solvents, such as light hydrocarbon oils and short-chain alcohols. The role of these reagents was to increase the hydrophobicity of the coal and
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Tsay, Jessica 1983. "Segregation of granular particles in suspension flow." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32791.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.<br>Includes bibliographical references (leaf 22).<br>An experiment was conducted to investigate the development of longitudinal stripes of granular particles due to instabilities in particle suspension flow. Research was conducted to characterize environmental phenomena related to granular flows, namely avalanches, mudslides, and the movement of glaciers. Results show the stripes were found to appear with a particle concentration of 10% by volume at angles of 20 degrees, at a particle concentration of
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Chan, Wai Hong Ronald. "Non-linear electrophoresis of ideally polarizable particles." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/92603.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2014.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 219-229).<br>This thesis investigates the non-linear regime of electrophoresis, in particular the variation of electrophoretic velocity with electric field at high field strengths. Known theoretical approaches to the problem accounting for ion ster
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Pitsillides, Costas M. 1973. "Selective cell targeting with light-absorbing particles." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/89257.

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Dou, Guangbin. "Mechanical and electrical characterisation of anisotropic conductive adhesive particles." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/35569.

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This thesis presents research into the mechanical and electrical characterisation of Anisotropic Conductive Adhesive (ACA) particles and their behaviour within typical joints. A new technique has been developed for study of individual ACA particle mechanical and electrical performance when undergoing deformation. A study of the effects of planarity variations on individual electrical joints in real ACA assemblies is presented firstly, followed by the research on the mechanical deformation and electrical tests of individual ACA particles undergoing deformation. In the co-planarity research, exp
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Singer, Simcha Lev. "Gasification and combustion modeling for porous char particles." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/74934.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Gasification and combustion of porous char particles occurs in many industrial applications. Reactor-scale outputs of importance depend critically on processes that occur at the particle-scale. Because char particles often possess a wide range of pore sizes and react under varying operating conditions, predictive models which can account for the numerous physical and chemical processes and time-dependent boundary cond
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Li, Xiaoyan 1963. "Coagulation between fractal aggregates and small particles and fractal properties of marine particles." Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/282174.

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This dissertation includes two parts (designated A and B) that serve two separate but related research purposes. In Part A, coagulation rates between fractal aggregates (200-1000 μm) and small (1.48 μm) particles were studied for collisions induced by differential sedimentation and turbulent fluid shear. The collision frequency functions (beta) between these aggregates and small particles were found to be lower than predicted by a rectilinear collision model but much higher than predicted by a curvilinear collision model for equivalent impermeable spheres. The collision frequencies decreased w
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Janidlo, Stephen. "High velocity impact and fragmentation of reactive metallic particles." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81542.

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Near-field blast effects for centrally initiated spherical heterogeneous explosive charges have been investigated experimentally. The charges consisted of a packed bed of reactive particles saturated with a liquid explosive. Once the charge was detonated, the particles accelerated to high velocities and impacted a rigid plate or cantilever gauges. The positive phase pressure impulse at the rigid plate surface and the cantilever bend angles were measured at various distances. Comparison of the results for large diameter Zirconium (millimetre-sized) and small diameter Aluminum particles (
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Born, Melanie P. (Melanie Providencia) 1975. "Ice and abrasive particles : an alternative CMP polishing technique." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9570.

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Books on the topic "Mechanical particles"

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Cumberland, D. J. The packing of particles. Elsevier, 1987.

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Klimpel, Richard R. Instructional module on introduction to the principles of size reduction of particles by mechanical means. NSF Engineering Research Center for Particle Science & Technology, 1997.

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Dr, Juhász Z. Mechanical activation of minerals by grinding: Pulverizing and morphology of particles. Akadémiai Kiadó, 1990.

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Har, Jason. Advanced computational dynamics of particles, materials, and structures: A unified approach. Wiley, 2012.

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Abner, Shimony, Cohen R. S, Horne Michael, and Stachel John J. 1928-, eds. Quantum mechanical studies for Abner Shimony. Kluwer Academic Publishers, 1997.

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Leeds-Lyon Symposium on Tribology (18th 1991 Institut national des sciences appliquées). Wear particles: From the cradle to the grave : proceedings of the 18th Leeds-Lyon Symposium on Tribology held at the Institut national des sciences appliquées, Lyon, France, 3rd-6th September 1991. Elsevier for the Institute of Tribology, Leeds University and the Institut national des sciences appliquées de Lyon, 1992.

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V, Kalinin S., and Gruverman A, eds. Scanning probe microscopy: Electrical and electromechanical phenomena at the nanoscale. Springer, 2007.

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Hill, James M. Mathematics of Particle-Wave Mechanical Systems. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-19793-2.

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Cassels, J. M. Basic quantum mechanics. 2nd ed. Krieger, 1996.

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1932-, Walecka John Dirk, ed. Theoretical mechanics of particles and continua. Dover Publications, 2003.

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Book chapters on the topic "Mechanical particles"

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Souza, Adriel Magalhães, Justin Rietberg, Eraldo Jannone da Silva, and Hitomi Yamaguchi. "Hybrid Polishing Tool for Internal Finishing of Complex Part Interiors in Magnetic Abrasive Finishing." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-77429-4_78.

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AbstractThis paper describes the development of a new hybrid polishing tool, which consists of magnetic particles and a water-soluble binder and transforms from a bonded-tool phase to a particle-brush phase during polishing. During the bonded-tool phase, the binder remains intact, and material is removed from the peaks of the target surface where abrasive is pressed against the surface. Once the binder dissolves in the lubricant, the magnetic particles separate, form a brush tool (particle-brush phase), and polish the surface while conforming to the surface geometry. The phase transition timin
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Diani, Marco, Nicoletta Picone, and Marcello Colledani. "Smart Composite Mechanical Demanufacturing Processes." In Systemic Circular Economy Solutions for Fiber Reinforced Composites. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-22352-5_4.

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AbstractRecycling of Glass Fibers Reinforced Plastics (GFRP) can be preferentially performed through mechanical processes due to the low cost of virgin fibers. Because of the poorer mechanical properties after comminution, the most interesting solution to reuse this material is a cross-sectorial approach, in which particles obtained through shredding of products from one sector are used in another sector. To allow this, a fine control on the particles dimension is fundamental, together with the minimization of operational costs. In this chapter, after a deep analysis on the available size redu
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Kumar Majumder, Subrata. "Principle of Separation of Particles." In Mechanical and Solid-Fluid Operations. CRC Press, 2025. https://doi.org/10.1201/9781003571377-1.

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Ciach, A. "Mechanical, structural and thermodynamic properties of confined self-assembling systems." In Mesophases, Polymers, and Particles. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/b100301.

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Kumar Majumder, Subrata. "Separation of Particles by Sieving/Screening." In Mechanical and Solid-Fluid Operations. CRC Press, 2025. https://doi.org/10.1201/9781003571377-2.

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Kumar Majumder, Subrata. "Separation of Particles by Electrostatic Precipitator." In Mechanical and Solid-Fluid Operations. CRC Press, 2025. https://doi.org/10.1201/9781003571377-5.

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Kumar Majumder, Subrata. "Separation of Particles by Cyclone Separator." In Mechanical and Solid-Fluid Operations. CRC Press, 2025. https://doi.org/10.1201/9781003571377-4.

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Ge, Jingxu, Chaoxia Huo, Lin Wang, Jin Zheng, and Guojun Li. "Study of Multiphase Flow in Ultrafine Powder Stirred Mill Based on CFD-DEM." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7887-4_46.

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Abstract The stirred media mill with pin-type rotor structure is one of the important equipment for manufacturing superfine powder. The CFD-DEM method is used to simulate the solid and liquid flow in the stirred mill. The velocity, collision and energy in the grinding chamber were analysed. The results show that the velocity gradient near the wall of the cylinder and agitator is large, and the velocity gradient near the cover plate on both sides is small, and the distribution of solid particles with high velocity in the grinding chamber is small; the particle distribution in the grinding cavit
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Wigner, E. P., and M. M. Yanase. "Quantum Mechanical Measurements." In Part I: Particles and Fields. Part II: Foundations of Quantum Mechanics. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-662-09203-3_44.

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Balokhonov, Ruslan R., and Varvara A. Romanova. "Microstructure-Based Computational Analysis of Deformation and Fracture in Composite and Coated Materials Across Multiple Spatial Scales." In Springer Tracts in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60124-9_17.

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AbstractA multiscale analysis is performed to investigate deformation and fracture in the aluminum-alumina composite and steel with a boride coating as an example. Model microstructure of the composite materials with irregular geometry of the matrix-particle and substrate-coating interfaces correspondent to the experimentally observed microstructure is taken into account explicitly as initial conditions of the boundary value problem that allows introducing multiple spatial scales. The problem in a plane strain formulation is solved numerically by the finite-difference method. Physically-based
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Conference papers on the topic "Mechanical particles"

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Aubry, Nadine, and Pushpendra Singh. "Electrostatic Forces on Particles Floating Within the Interface Between Two Immiscible Fluids." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-44095.

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The objective of this paper is to study the dependence of the electrostatic force that act on a particle within the interface between two immiscible fluids on the parameters such as the dielectric properties of the fluids and particles, the particle’s position within the interface, and the electric field strength. It is shown that the component of electrostatic force normal to the interface varies as a2, where a is the particle radius, and since in equilibrium it is balanced by the vertical capillary force, the interfacial deformation caused by the particle changes when an external electric fi
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Polyakov, Maxim, and Peter Schweitzer. "Mechanical properties of particles." In 23rd International Spin Physics Symposium. Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.346.0066.

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Yap, Y. F., J. C. Chai, T. N. Wong, N. T. Nguyen, K. C. Toh, and H. Y. Zheng. "Electrophoretic Motion of Particles in a Microsystem." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-14121.

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Electrophoresis is the motion of a charged particle relative to the surrounding liquid due to an imposed external electric field1. Its applications include but are not limited to characterization and manipulation of organic and inorganic particles. In particular, electrophoresis has been applied to a variety of analytical separation problems involving nucleic acids, proteins and drugs. For electrophoresis on various Lab-on-a-chip platforms, the particles are of sizes comparable to the microchannel in which they flow. As such, particle-particle and particle-wall interactions are no longer negli
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Peng, Q., and F. Vermolen. "Various Mathematical Approaches to Mechanical Simulations in Wound Healing Processes." In 7th edition of the International Conference on Particle-based Methods. CIMNE, 2021. http://dx.doi.org/10.23967/particles.2021.001.

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Kirchbach, M., and C. B. Compean. "High Spin Baryons in Quantum Mechanical Chromodynamics." In PARTICLES AND FIELDS. ASCE, 2009. http://dx.doi.org/10.1063/1.3131571.

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Ng, S. H., C. M. Zettner, C. Zhou, et al. "Nanoparticulate and Interfacial Mechanics in Confined Geometries Typical of Chemical-Mechanical Planarization." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41964.

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Chemical-mechanical planarization (CMP), a surface preparation process used widely in integrated circuits manufacture, is currently the leading nanoscale manufacturing process worldwide, with an annual economic impact well in excess of $1 billion. Originally developed for glass polishing, CMP is used by the microelectronics industry to create silicon, silicon oxide, tungsten and copper surfaces with average roughnesses of O(10 mm). The process typically involves shearing a dilute abrasive silica or ceria nanoparticle-laden “slurry” between a compliant rough surface (the “pad”) and the surface
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Abubakar, Abba A., Khaled S. Al-Athel, and Syed S. Akhtar. "Computational Modeling of Extreme Particles Deformation and Grain Refinement During Cold Spray Deposition." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-112993.

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Abstract When deposition parameters are carefully set, cold spraying can successfully deposit composite coatings with customized characteristics. To avoid conducting repeated experimental trials, numerical simulations are critically needed to optimize the cold spray deposition parameters. During cold spraying of the composite layer, extreme particle deformation and temperature rise occur due to the complex interactions among dissimilar particles; hence, the coating layer properties vary across the thickness. In the cold spray literature, particle grain refinement is not considered in numerical
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Chen, Jim S., and Jinho Kim. "Micro Particle Transport and Deposition in Human Upper Airways." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42928.

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The hazard caused by inhaled particles depends on the site at which they deposit within the respiratory system. Knowledge of respiratory aerosol deposition rates and locations is necessary to (1) evaluate potential health effects and establish critical exposure limits and (2) design effective inhaled medications that target specific lung regions. Particles smaller than 10 μm in diameter can be breathed into lungs and are known as inhalable particles, while most of larger particles settle in mouth and nose. Inhalable particles settle in different regions of the lungs and the settling regions de
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Haithem, Ben Jamaa. "Mechanical characterization of lightweight expanded clay particles." In Civil and Environmental Engineering for Resilient, Smart and Sustainable Solutions. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903414-47.

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Abstract. The objective of the research is to study the mechanical behavior of crushable particles containing an internal porosity. To ease the visualization of grains’ crushing, expanded clay aggregates (LECA) was selected as a model material due to the brittle behavior of its particles and its high internal porosity. Identification of LECA’s physical properties through single grain uniaxial compression tests made it possible to understand the parameters affecting the fragmentation phenomenon. The effect of particle’s dimension was studied by a statistical modeling of the uniaxial compression
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Ahmed, Waleed K., Wail Al-Rifaie, Y. Al-Douri, and Mostefa Bourchak. "LEFM to Investigate the Impact of Deteriorated Particles in Composite Material." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50223.

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Due to its distinguished properties especially being isotropic, particulate reinforced composite is considered as one of the attractive material for wide range of applications, where the relatively low manufacturing cost is a desirable advantage. In the present analysis, deteriorated particles embedded in particulate reinforced composite have been investigated. The impact of the fractured particles is studied through the principles of fracture mechanics using finite element method. Mainly the stiffness variation of the composite due to the presence of the fractured particles is mainly predicte
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Reports on the topic "Mechanical particles"

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Asenath-Smith, Emily, Ross Lieblappen, Susan Taylor, et al. Observation of crack arrest in ice by high aspect ratio particles during uniaxial compression. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/43145.

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In nature, ice frequently contains dissolved solutes or entrapped particles, which modify the microstructure and mechanical properties of ice. Seeking to understand the effect of particle shape and geometry on the mechanical properties of ice, we performed experiments on ice containing 15 wt% silica spheres or rods. Unique to this work was the use of 3-D microstructural imaging in a -10ºC cold room during compressive loading of the sample. The silica particles were present in the ice microstructure as randomly dispersed aggregates within grains and at grain boundaries. While cracks originated
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Riley, Mark, and Akis Pipidis. The Mechanical Analogue of the "Backbending" Phenomenon in Nuclear-structure Physics. Florida State University, 2008. http://dx.doi.org/10.33009/fsu_physics-backbending.

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This short pedagogical movie illustrates an effect in nuclear physics called backbending which was first observed in the study of the rotational behavior of rapidly rotating rare-earth nuclei in Stockholm, Sweden in 1971. The video contains a mechanical analog utilizing rare-earth magnets and rotating gyroscopes on a turntable along with some historic spectra and papers associated with this landmark discovery together with its explanation in terms of the Coriolis induced uncoupling and rotational alignment of a specific pair of particles occupying high-j intruder orbitals. Thus backbending rep
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Tangpasuthadol, Varawut, and Amarawan Intasiri. Silica reinforement of natural rubber by sol-gel process in latex. Chulalongkorn University, 2005. https://doi.org/10.58837/chula.res.2005.32.

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Beside carbon black, silica powder is the other important filler used to reinforce various colored rubber products. In order to improve the compatibility between silica particles and rubber phase, this work has focused on preparing an NR composite, reinforced by silica generated inside the NR matrix or ‘in situ’. The silica particle was formed by a sol-gel process of tetraethoxysilane (TEOS) dispersed in NR latex. The latex used was concentrated latex having 60% rubber content, and already contained water and ammonia, two ingredients needed for the sol-gel reaction. The conversion of TEOS to s
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Morkun, Volodymyr, Natalia Morkun, Andrii Pikilnyak, Serhii Semerikov, Oleksandra Serdiuk, and Irina Gaponenko. The Cyber-Physical System for Increasing the Efficiency of the Iron Ore Desliming Process. CEUR Workshop Proceedings, 2021. http://dx.doi.org/10.31812/123456789/4373.

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It is proposed to carry out the spatial effect of high-energy ultrasound dynamic effects with controlled characteristics on the solid phase particles of the ore pulp in the deslimer input product to increase the efficiency of thickening and desliming processes of iron ore beneficiation products. The above allows predicting the characteristics of particle gravitational sedimentation based on an assessment of the spatial dynamics of pulp solid- phase particles under the controlled action of high-energy ultrasound and fuzzy logical inference. The object of study is the assessment of the character
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Thurston, Alison, Zoe Courville, Lauren Farnsworth, et al. Microscale dynamics between dust and microorganisms in alpine snowpack. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40079.

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Dust particles carry microbial and chemical signatures from source regions to deposition regions. Dust and its occupying microorganisms are incorporated into, and can alter, snowpack physical properties including snow structure and resultant radiative and mechanical properties that in turn affect larger-scale properties, including surrounding hydrology and maneuverability. Microorganisms attached to deposited dust maintain genetic evidence of source substrates and can be potentially used as bio-sensors. The objective of this study was to investigate the impact of dust-associated microbial depo
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López-Soto, Jamie F., and Bryant A. Robbins. Laboratory measurements of the erodibility of gravelly soils. U.S. Army E ngineer Research and Development Center, 2021. http://dx.doi.org/10.21079/11681/42443.

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The critical shear stress and erodibility of soil are fundamental parameters for modeling embankment breaching. Unfortunately, very few studies have examined the erosion characteristics of soils consisting predominantly of particles larger than sand. This report presents results of an experimental study in which the erosion characteristics of gravelly soils were measured. A flume apparatus was developed in which 0.45-m-square samples were extruded into confined flow. A mechanical laser system allowed the measurement of scour in real time, resulting in a continuous and automated erosion test. T
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Vaidya, R. U., S. G. Song, A. K. Zurek, and G. T. III Gray. The effect of structural defects in SiC particles on the static & dynamic mechanical response of a 15 volume percent SiC/6061-Al matrix composite. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/109675.

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Tan, Peng, and Nicholas Sitar. Parallel Level-Set DEM (LS-DEM) Development and Application to the Study of Deformation and Flow of Granular Media. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2023. http://dx.doi.org/10.55461/kmiz5819.

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We present a systematic investigation of computational approaches to the modeling of granular materials. Granular materials are ubiquitous in everyday life and in a variety of engineering and industrial applications. Despite the apparent simplicity of the laws governing particle-scale interactions, predicting the continuum mechanical response of granular materials still poses extraordinary challenges. This is largely due to the complex history dependence resulting from continuous rearrangement of the microstructure of granular material, as well as the mechanical interlocking due to grain morph
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Beckman, Ivan. Development of alternative air filtration materials and methods of analysis. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47188.

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Development of high efficiency particulate air (HEPA) filters demonstrate an effort to mitigate dangerous aerosol hazards at the point of production. The nuclear power industry installs HEPA filters as a final line of containment of hazardous particles. An exploration of analytical, experimental, computational, and machine learning models is presented in this dissertation to advance the science of air filtration technology. This dissertation studies, develops, and analyzes alternative air filtration materials and methods of analysis that optimize filtration efficiency and reduce resistance to
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Yi, Hojae. Interparticle Characterization of Mechanical Biomass Particle-Particle and Particle-Wall Interactions. Office of Scientific and Technical Information (OSTI), 2024. https://doi.org/10.2172/2521013.

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