Relevant bibliographies by topics / Micro/nano-scale properties

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Micro/nano-scale properties'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Micro/nano-scale properties"

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TAGUCHI, Yoshihiro, and Yuji NAGASAKA. "Micro and Nano-scale Thermophysical Properties Sensing." Journal of the Society of Mechanical Engineers 111, no. 1071 (2008): 80–83. http://dx.doi.org/10.1299/jsmemag.111.1071_80.

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Sumigawa, Takashi, Shinsaku Ashida, and Takayuki Kitamura. "OS12-7 Criterion for Crack Propagation due to Nanometer-scale Singular Stress Field in Silicon Single Crystal(Mechanical properties of nano- and micro-materials-2,OS12 Mechanical properties of nano- and micro-materials,MICRO AND NANO MECHANICS)." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2015.14 (2015): 189. http://dx.doi.org/10.1299/jsmeatem.2015.14.189.

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Liu, Han Lian, Chuan Zhen Huang, Jun Wang, and Jing Sun. "Microstructure and Mechanical Properties of two Kinds of Al2O3/SiC Nanocomposites." Materials Science Forum 471-472 (December 2004): 243–47. http://dx.doi.org/10.4028/www.scientific.net/msf.471-472.243.

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Two kinds of Al2O3 /SiC nanocomposites with different alumina powder are developed, one is fabricated only by nano-scale alumina powders, the other is by micro-scale with partial nano-scale alumina powders. Both of the two composites may get higher flexural strength and fracture toughness than that of micro-scale monolithic alumina ceramics, but the latter is more preferable than the former. The microstructure and the strengthening and toughening mechanisms of the new ceramic tool materials are investigated, the improvement of mechanical properties may be mainly attributed to the transgranular fracture mode induced by the added nano-scale SiC, while adding nano-scale alumina powder to micro-scale powder, both of the nano-scale Al2O3 and nano-scale SiC may strengthen the micro-scale Al2O3 matrix, that means the nano-scale Al2O3 acted as the dispersed phase.
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Liu, Yue, Chuan Zhen Huang, Han Lian Liu, Bin Zou, Peng Yao, and Liang Xu. "Effect of Nano-Additives on Microstructure and Mechanical Properties of Ti(C,N)-TiB2-WC Composite Ceramic Cutting Tool Materials." Key Engineering Materials 589-590 (October 2013): 337–41. http://dx.doi.org/10.4028/www.scientific.net/kem.589-590.337.

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Ti(C,N)-TiB2-WC composite ceramic cutting tool materials with nano-scale additives Ni and Mo, and micro-scale additives Ni and Mo as sintering aids were sintered respectively at a temperature of 1550 °C for holding time of 1hour in vacuum by a hot-press technique. The effects of nano-scale additives Ni and Mo, and micro-scale additives Ni and Mo on microstructure and mechanical properties of composites were compared and investigated. It is concluded that the wettability of nano-scale Ni and Mo to the composites is better than that of micro-scale Ni and Mo. The nano-scale whiskers were found in the composite ceramic tool materials with nano-scale additives. The addition of nano-scale Ni and Mo instead of micro-scale Ni and Mo could make the flexural strength and fracture toughness of Ti(C, N)-TiB2 –WC composites have a promotion, but could not make the hardness of the composites increase in this study.
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Zhang, Yihuai, Maxim Lebedev, Gregory Smith, Yu Jing, Andreas Busch, and Stefan Iglauer. "Nano-mechanical Properties and Pore-Scale Characterization of Different Rank Coals." Natural Resources Research 29, no. 3 (October 18, 2019): 1787–800. http://dx.doi.org/10.1007/s11053-019-09572-8.

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ABSTRACT Characterization of coal micro-structure and the associated rock mechanical properties are of key importance for coal seam exploration, coal bed methane development, enhanced coal bed methane production and CO2 storage in deep coal seams. Considerable knowledge exists about coal chemical properties, but less is known about the nanoscale to the micro-scale structure of coals and how they change with coal strength across coal ranks. Thus, in this study, 3D X-ray micro-computed tomography (with a voxel size of 3.43 µm) and nano-indentation tests were conducted on coal samples of different ranks from peat to anthracite. The micro-structure of peats showed a well-developed pore system with meso- and micro-pores. The meso-pores essentially disappear with increasing rank, whereas the micro-pores persist and then increase past the bituminous rank. The micro-fracture system develops past the peat stage and by sub-bituminous ranks and changes into larger and mature fracture systems at higher ranks. The nano-indentation modulus showed the increasing trend from low- to high-rank coal with a perfect linear relationship with vitrinite reflectance and is highly correlated with carbon content as expected.
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Yao, Ying Xue, Shahjada Ahmed Pahlovy, and Sadao Momota. "Effect of Low Energy ECR Ion Beam Irradiation on Micro Nano Scale Mechanical Properties of Silicon." Applied Mechanics and Materials 10-12 (December 2007): 344–47. http://dx.doi.org/10.4028/www.scientific.net/amm.10-12.344.

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Most mechanical parts like bearings, gears, and shafts are produced by finishing processes such as hard turning, grinding and/or honing. The durability and reliability of these precision products are directly influenced by mechanical behavior of material. If those parts are in micro nano scale such as micro interconnector, micro valve, micro actuator, and micro switch in that case micro nano mechanical properties is an important factor for better performance. This present paper discusses the low energy ECR ion beam irradiation effects on mechanical property of material in micronano scale. To complete this research ion beams were irradiated for different accelerating energy to Si surface. Nano indentations were done for hardness and elasticity measurement. AFM was used for roughness and depth measurement. From data analysis It shows accelerating energy is an important factor to control mechanical property of material during nano scale fabrication by ion beam.
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Liu, Han Lian, Chuan Zhen Huang, Shou Rong Xiao, Hui Wang, and Ming Hong. "Microstructure and Mechanical Properties of Multi-Scale Titanium Diboride Matrix Nanocomposite Ceramic Tool Materials." Key Engineering Materials 431-432 (March 2010): 523–26. http://dx.doi.org/10.4028/www.scientific.net/kem.431-432.523.

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Under the liquid-phase hot-pressing technique, the multi-scale titanium diboride matrix nanocomposite ceramic tool materials were fabricated by adding both micro-scale and nano-scale TiN particles into TiB2 with Ni and Mo as sintering aids. The effect of content of nano-scale TiN and sintering temperature on the microstructure and mechanical properties was studied. The result showed that flexural strength and fracture toughness of the composites increased first, and then decreased with an increase of the content of nano-scale TiN, while the Vickers hardness decreased with an increase of the content of nano-scale TiN. The optimal mechanical properties were flexural strength 742 MPa, fracture toughness 6.5 MPa•m1/2 and Vickers hardness 17GPa respectively. The intergranular and transgranular fracture mode were observed in the composites. The metal phase can cause ductility toughening and crack bridging, while crack deflection and transgranular fracture mode could be brought by micro-scale TiN and nano-scale TiN respectively.
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Kvačkaj, Tibor, and Jana Bidulská. "From Micro to Nano Scale Structure by Plastic Deformations." Materials Science Forum 783-786 (May 2014): 842–47. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.842.

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Nowadays, the strategy for improving of mechanical properties in metals is not oriented to alloying followed by heat treatment. An effective way how to improve the mechanical properties of metals is focused on the research looking for some additional structural abilities of steels. Structural refinement is one of the ways. Refinement of the austenitic grain size (AGS) carried out through plastic deformation in a spontaneous recrystallization region of austenite, formation of AGS by plastic deformations in a non-recrystallized region of austenite will be considered as potential ways for AGS refinement. After classic methods of plastic deformations, next structure refinement can be obtained by an application of severe plastic deformation (SPD) methods.
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Huang, Chuan Zhen, Jun Wang, Li Qiang Xu, Sui Lian Wang, and Han Lian Liu. "Microstructure and Mechanical Properties of Nano-Scale Al2O3 Toughened Ti (C,N) Matrix Cermet Tool Materials." Materials Science Forum 532-533 (December 2006): 37–40. http://dx.doi.org/10.4028/www.scientific.net/msf.532-533.37.

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Advanced Ti(C, N) matrix cermet tool materials with higher mechanical properties are successfully developed by dispersing nano-scale Al2O3 powder into the micro-scale Ti(C, N) matrix and Ni-Mo bonding phases powder. The effect of the content of nano-scale alumina on the microstructure and mechanical properties of micro-scale Ti(C, N) matrix cermet tool materials are investigated. The research results show that a type of Ti(C, N) matrix cermet tool material has the most optimal flexural strength of 900MPa, Vickers hardness of 17.4GPa and fracture toughness of 9.95MPa.m1/2 when the content of nano-scale alumina is 12% in term of mass. It is found from the microstructure analysis that the main reason of the mechanical properties improvement is the grain fining effect caused by nano-scale Al2O3.
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Armstrong, Ronald W., and Wayne L. Elban. "Crystal Strengths at Micro- and Nano-Scale Dimensions." Crystals 10, no. 2 (February 5, 2020): 88. http://dx.doi.org/10.3390/cryst10020088.

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Higher strength levels, achieved for dimensionally-smaller micro- and nano-scale materials or material components, such as MEMS devices, are an important enabler of a broad range of present-day engineering devices and structures. Beyond such applications, there is an important effort to understand the dislocation mechanics basis for obtaining such improved strength properties. Four particular examples related to these issues are described in the present report: (1) a compilation of nano-indentation hardness measurements made on silicon crystals spanning nano- to micro-scale testing; (2) stress–strain measurements made on iron and steel materials at micro- to nano-crystal (grain size) dimensions; (3) assessment of small dislocation pile-ups relating to Griffith-type fracture stress vs. crack-size calculations for cleavage fracturing of α-iron; and (4) description of thermally-dependent strain rate sensitivities for grain size strengthening and weakening for macro- to micro- to nano-polycrystalline copper and nickel materials.
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Dissertations / Theses on the topic "Micro/nano-scale properties"

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Farhana, Baset. "Micro/nano-scale Manipulation of Material Properties." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31862.

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Femtosecond laser interaction with dielectrics has unique characteristics for micromachining, notably non-thermal interaction with materials, precision and flexibility. The nature of this interaction is highly nonlinear due to multiphoton ionization, so the laser energy can be nonlinearly absorbed by the material, leading to permanent change in the material properties in a localized region of Mu-m3. This dissertation demonstrated the potential of these nonlinear interactions induced changes (index modification and ablation for machining) in the dielectrics and explored several practical applications. We studied femtosecond laser ablation of Poly-methayl methacrylate (PMMA) under single and multiple pulse irradiation regimes. We demonstrated that the onset of surface ablation in dielectric surface is associated with surface swelling, followed by material removal. Also, the shape of the ablation craters becomes polarization dependent with increasing fluence, except for circular polarization. The morphology of the damaged/ablated material was examined by optical and scanning electron microscopy. The dynamics of laser ablation of PMMA was simulated using a 2 dimensional Molecular Dynamics model and a 3 dimensional Finite Difference Time Domain model. The results from numerical simulations agreed well with experimental results presented in this thesis. We also demonstrated the formation of nano-pillar within the ablation crater when the surface of bulk-PMMA was irradiated by two femtosecond pulses at a certain delay with energies below single shot ablation threshold. With increasing fluence, the nano-pillar vanished and the structure within the ablation crater resembled volcanic eruption. At higher fluences we demonstrated nanoscale porosity in PMMA. For application, a novel in-line fiber micro-cantilever was fabricated in bend insensitive fiber, that provides details of in-line measurement of frequency and amplitude of vibration, and can be further extended to be used as chemical/bio and temperature sensors. By modifying the refractive index at random spacing within the single mode fiber core, a unique quasi-random micro-cavities fiber laser was fabricated, which exhibits comparable characteristics with a commercial fiber laser in terms of narrow linewidth and frequency stability.
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Williams, Benjamin Heathcote. "Nano- and micro-scale techniques for electrical transport measurements." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:09c73d9f-b68d-4f06-9ffe-cbb29d200809.

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This thesis outlines the development of two new techniques that exploit very small structures, on the micro- and nano-scale, to enable innovative electrical transport measurements on a variety of materials of current interest in condensed matter physics. The first technique aims to apply the versatility of electron-beam lithography for micro-fabrication of patterned electronic circuitry to the problem of performing transport experiments on individual crystallites taken from a typical powder sample. We show that these small samples, tens of microns in size, are actually often very high quality single crystals and can be exploited for measurements of electrical transport in materials of which no larger crystals are available. By way of demonstration, we present the results of preliminary transport measurements on a crystallite of the layered oxide chalcogenide Sr2MnO2Cu1.5Se2. We report a phase transition in the resistivity at 213K which may correspond to the onset of previously reported short-range order in copper and vacancy sites in the Cu1.5Se2 planes. The second technique is designed to investigate the topological protection of surface transport in 3-D topological insulators. We decorate the surfaces of single-crystal samples with two different species from a well-characterised family of single-molecule magnets. The two coatings have an electrostatically identical influence on the sample surface, but differ in that one species carries a spin and the other is spinless. The spinless molecule acts as a control, to allow us to cleanly determine the influence of the magnetic component of a scattering potential on transport in the surface. With this technique we investigate proposed topological Kondo insulator SmB6. We find that the surface state dominates low-temperature transport and demonstrate that the momentum relaxation is very sensitive to a spin degree of freedom in the scatterer, in keeping with expectations of a topological insulator.
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Rockstuhl, Carsten. "Properties of light fields near sub-micro and nano-scale structures." Allensbach UFO, Atelier für Gestaltung und Verl, 2004. http://doc.rero.ch/lm.php?url=1000,40,4,20050413151549-MZ/1t̲heseR̲ockstuhlC.pdf.

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Kim, Han Sung. "Prediction Of Elastic Properties Of Micro- And Nano-Scale Thin Films." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1211905997.

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Fang, Hui. "Evaluation on mechanical properties of micro/nano-meter scale materials by resonant vibration." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215220.

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Dimitrakis, Georgios A. "High temperature dielectric properties of micro and nano-scale yttria doped zirconia at microwave frequencies." Thesis, University of Nottingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.430230.

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Ahmed, Shabbir. "Mechanical and Surface Properties of Technical and Single Flax Fiber in Micro and Nano Scale." Thesis, North Dakota State University, 2017. https://hdl.handle.net/10365/28400.

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The continued search for sustainable and eco-friendly materials led to the integration of bio-fibers as the reinforcement in composite materials. However, a wide variation in their mechanical properties poses a considerable challenge for their incorporation in load bearing and structural bio-composite materials. In this thesis, a rigorous experimental investigation is performed for quantifying this variation in mechanical properties of flax fiber such as ultimate strength, ultimate strain, and elastic modulus. The effect of stalk diameter and variety on strength and strain was investigated on a statistical basis. Probability distribution models were proposed for predicting the probability of failure on a given strength. A dynamic in-situ failure analysis was performed on technical flax fibers with the help of scanning electron microscopy (SEM) to investigate the micro and nanoscale failure behavior. A reliable measurement method of surface energy of a single flax fiber was proposed and performed by atomic force microscopy (AFM).
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Jia, Lin Ph D. Massachusetts Institute of Technology. "Impact of morphology and scale on the physical properties of periodic/quasiperiodic micro- and nano- structures." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/75844.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2012.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student submitted PDF version of thesis.
Includes bibliographical references (p. 130-147).
A central pillar of real-world engineering is controlled molding of different types of waves (such as optical and acoustic waves). The impact of these wave-molding devices is directly dependent on the level of wave control they enable. Recently, artificially structured metamaterials have emerged, offering unprecedented flexibility in manipulating waves. The design and fabrication of these metamaterials are keys to the next generation of real-world engineering. This thesis aims to integrate computer science, materials science, and physics to design novel metamaterials and functional devices for photonics and nanotechnology, and translate these advances into realworld applications. Parallel finite-difference time-domain (FDTD) and finite element analysis (FEA) programs are developed to investigate a wide range of problems, including optical micromanipulation of biological systems [1, 2], 2-pattern photonic crystals [3], integrated optical circuits on an optical chip [4], photonic quasicrystals with the most premier photonic properties to date [5], plasmonics [6], and structure-property correlation analysis [7], multiple-exposure interference lithography [8], and the world's first searchable database system for nanostructures [9].
by Lin Jia.
Ph.D.
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Ahmari, Saeed. "Recycling and Reuse of Wastes as Construction Material through Geopolymerization." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/223338.

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Storage of mine tailings and waste concrete imposes economical and environmental impacts. Researchers have attempted to reuse wastes as construction material by utilizing ordinary Portland cement (OPC) to stabilize them. This method, however, has a number of limitations related to OPC. In this research, a recent technology called geopolymerization is used to stabilize mine tailings and concrete waste so that they can be completely recycled and reused. The research includes three main parts. The first part studies the effect of different factors on the mechanical properties, micro/nano structure, and elemental and phase composition of mine tailings-based geopolymer binder. The second part investigates the feasibility of producing geopolymer bricks using mine tailings. The physical and mechanical properties, micro/nano structure, durability, and environmental performance of the produced bricks are studied in a systematic way. Moreover, the enhancement of the mine tailings-based geopolymer bricks by adding cement kiln dust (CKD) is studied. The third part of the research investigates the recycling of the fines fraction of crushed waste concrete to produce binder through geopolymerization in order to completely recycle concrete waste. The results indicate the viability of geopolymerization of mine tailings by optimizing the synthesis conditions. By properly selecting these factors, mine tailings-based geopolymer bricks can be produced to meet the ASTM standard requirements and to be environmentally safe by effectively immobilizing the heavy metals in the mine tailings. The physical and mechanical properties and durability of the mine tailings-based geopolymer bricks can be further enhanced by adding a small amount of CKD. The results also show that the fines fraction of crushed waste concrete can be used together with fly ash to produce high performance geopolymer binder. Incorporation of calcium in the geopolymer structure and coexistence of the calcium products such as CSH gel and the geopolymer gel explains the enhancement of the mine tailings-based geopolymer bricks with CKD and the high performance of geopolymer binder from the waste concrete fines and fly ash. The research contributes to sustainable development by promoting complete recycling and utilization of mine tailings and concrete waste as construction material.
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Wolf, Caroline. "Multi-scale modelling of structure and mass transfer relationships in nano- and micro-composites for food packaging." Thesis, Montpellier 2, 2014. http://www.theses.fr/2014MON20217/document.

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Malgré l'intérêt croissant que représente dans le domaine de l'emballage alimentaire la conception raisonnée de structures composites aux propriétés de transfert contrôlées, la compréhension des transferts de gaz et de vapeurs avec l'ajout de particules dans des polymères reste complexe. En vue d'apporter un nouvel éclairage à ce verrou scientifique, les travaux de thèse se sont focalisés sur les trois parties suivantes : - contribuer à une meilleure compréhension des transferts de matière dans les composites. Pour ce faire, une analyse exhaustive des données expérimentales de transfert de gaz et de vapeurs disponibles dans la littérature a été menée pour les nano- et micro-composites et une comparaison de ces données a été réalisée avec des modèles de tortuosité, basés sur des paramètres géométriques ; - comprendre et modéliser la perméabilité dans des composites avec deux phases perméables. Pour cela, les transferts de vapeur d'eau dans un composite (fibre de paille/bio-polyester) chargé avec des particules perméables ont été mesurés et décrits en détail, et une comparaison de ces données avec des modèles analytiques issus d'autres champs disciplinaires, prenant en compte la perméabilité dans la particule et dans la matrice, a été menée. Cette étude a mis en avant le manque de modèles adaptés pour la prédiction de la perméabilité dans les composites contenant des particules perméables ; - développer une nouvelle approche multi-échelle pour la prédiction de la perméabilité dans des composites prenant en compte les propriétés de transfert dans les particules et dans la matrice polymérique avec une représentation 2D de la structure du composite. Afin d'atteindre un niveau satisfaisant de validation du modèle, la détermination des paramètres expérimentaux tels que la diffusion dans les particules doit être améliorée. Cette nouvelle approche de modélisation ouvre la voie à la création d'outils d'ingénierie inverse pour le design de structures composites, ajustés aux besoins des aliments en termes de propriétés barrières
Despite the global growing interest in the food packaging field for the design of tailored composite structures with controlled mass transfer properties, the understanding of the modulation of the mass transfer properties with the incorporation of particles in polymer still remains very complex. In order to throw light on this scientific problem, the thesis work was focused on the following parts: - providing a better understanding of mass transfer in composites. In this purpose an analysis of all experimental gas and vapour permeability data available in the literature has been carried out in nano- and micro- composites and a comparison of these data with predictions from tortuosity models based on few geometrical inputs has been achieved; - performing a detailed study of water vapour mass transfer in composites (wheat straw fibres/bio-polyester). These data were compared with the prediction of bi-phasic analytical models coming from other disciplinary fields. This part of the work has highlighted the lack of comprehensive and complete models for the prediction of permeability in composite with permeable particles; - developing of an innovative multi-scale approach for the prediction of mass transfer in bi-phasic composites considering both the particle and the polymer matrix properties with realistic 2D geometry of the composite structures has been proposed. For the sake of reaching a satisfactory validation level of the model, some experimental improvements are still needed to increase the accuracy of input parameters such as diffusivity of the particles.This new modelling approach open the way for the creation of a reverse-engineering toolbox for the design of tailor made composites structures, tightly adjusted to barrier properties requirements of the packed food
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Book chapters on the topic "Micro/nano-scale properties"

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Sefer, Birhan, Joan Josep Roa, Antonio Mateo, Robert Pederson, and Marta-Lena Antti. "Evaluation of the Bulk and Alpha-Case Layer Properties in Ti-6Al-4V at Micro-And Nano-Metric Length Scale." In Proceedings of the 13th World Conference on Titanium, 1619–24. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119296126.ch271.

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Eremeyev, Victor A. "On the Effective Properties of Elastic Materials and Structures at the Micro- and Nano-Scale Considering Various Models of Surface Elasticity." In Materials with Internal Structure, 29–41. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-21494-8_3.

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Mahamood, Rasheedat M., and Esther T. Akinlabi. "Laser systems, types and beam properties." In Laser Micro- and Nano-Scale Processing. IOP Publishing, 2021. http://dx.doi.org/10.1088/978-0-7503-1683-5ch2.

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Mandolfino, Chiara, Enrico Lertora, Marco Pizzorni, and Carla Gambaro. "Laser-induced modification of surface properties by micro- and nano-scale processing." In Laser Micro- and Nano-Scale Processing. IOP Publishing, 2021. http://dx.doi.org/10.1088/978-0-7503-1683-5ch5.

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Taborda, Jaime Andrés Pérez, and Elvis O. López. "Research Perspectives on Functional Micro and Nano Scale Coatings." In Research Perspectives on Functional Micro- and Nanoscale Coatings, 136–69. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-5225-0066-7.ch006.

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Research topics related to the production of nanocomposites are the most important directions of development of new semiconductor engineering, ensuring high nanocomposites obtaining useful properties in the scope of biophysical characteristics, biomedical and piezoelectric applications. We present two case studies as Hydroxyapatite are in medical applications and aluminum nitride as acoustic wave sensor. Hydroxyapatite, is the main inorganic structure of the tooth enamel and bone and is a biomaterial that is commonly used in biomedical applications that involve bone substitution, drug delivery and bone regeneration because of its excellent biocompatibility, high bioactivity and good osseoconductivity. Since the past decade. Aluminum nitride (AlN), an electrical insulating ceramic with a wide band gap of 6.3 eV, is a potentially useful dielectric material very important in fields such as optoelectronic and micro electronics.
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Taborda, Jaime Andrés Pérez, and Elvis O. López. "Research Perspectives on Functional Micro and Nano Scale Coatings." In Data Analytics in Medicine, 1076–109. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1204-3.ch056.

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Research topics related to the production of nanocomposites are the most important directions of development of new semiconductor engineering, ensuring high nanocomposites obtaining useful properties in the scope of biophysical characteristics, biomedical and piezoelectric applications. We present two case studies as Hydroxyapatite are in medical applications and aluminum nitride as acoustic wave sensor. Hydroxyapatite, is the main inorganic structure of the tooth enamel and bone and is a biomaterial that is commonly used in biomedical applications that involve bone substitution, drug delivery and bone regeneration because of its excellent biocompatibility, high bioactivity and good osseoconductivity. Since the past decade. Aluminum nitride (AlN), an electrical insulating ceramic with a wide band gap of 6.3 eV, is a potentially useful dielectric material very important in fields such as optoelectronic and micro electronics.
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T. Galatage, Sunil, Aditya S. Hebalkar, Shradhey V. Dhobale, Omkar R. Mali, Pranav S. Kumbhar, Supriya V. Nikade, and Suresh G. Killedar. "Silver Nanoparticles: Properties, Synthesis, Characterization, Applications and Future Trends." In Silver Micro-Nanoparticles - Properties, Synthesis, Characterization, and Applications. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99173.

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Nanotechnology is an expanding area of research where we use to deal with the materials in Nano-dimension. The conventional procedures for synthesizing metal nanoparticles need to sophisticated and costly instruments or high-priced chemicals. Moreover, the techniques may not be environmentally safe. Therefore “green” technologies for synthesis of nanoparticles are always preferred which is simple, convenient, eco-friendly and cost effective. Green synthesis of nanoparticle is a novel way to synthesis nanoparticles by using biological sources. It is gaining attention due to its cost effective, ecofriendly and large scale production possibilities. Silver nanoparticles (AgNPs) are one of the most vital and fascinating nanomaterials among several metallic nanoparticles that are involved in biomedical applications. It has vital importance in nanoscience and naomedicines to treat and prevent vital disease in human beings especially in cancer treatment. In current work we discussed different methods for synthesis of AgNPs like biological, chemical and physical along with its characterization. We have also discussed vital importance of AgNPs to cure life threatnign diseases like cancer along with antidiabetic, antifungal, antiviral and antimicrobial alog with its molecular mode of action etc. Finally we conclude by discussing future prospects and possible applications of silver nano particles.
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Priyadarshini, Balasankar Meera, and Nileshkumar Dubey. "Applications of Polymeric Micro- and Nano-Particles in Dentistry." In Oral Healthcare and Technologies, 221–47. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-1903-4.ch005.

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The use of micro- and nanoparticles is rapidly advancing and has been most commonly used in medical and biological research that offers an encouraging scope in broad range of disciplines. Manipulation of the biomaterials to their micro- and nano-scale renders their properties and behavior different from that of the same material in the mass scale and make them more reactive than large particles. The removal of tooth structure and its restoration with synthetic material to solve the problems caused by dental caries, trauma and fracture is a practice nearly as old as dentistry. Efforts are made to create micro- and nanomaterials that can revolutionize these ancestral therapies and dental procedures. The use of these materials had shown some promising applications in caries control, endodontic therapy, regenerative dentistry, periodontology and oral biofilm management. This review aims to discuss the recent advances and future potential of polymer-based micro- and nanoparticles in dentistry.
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Priyadarshini, Balasankar Meera, and Nileshkumar Dubey. "Applications of Polymeric Micro- and Nano-Particles in Dentistry." In Advancing Medicine through Nanotechnology and Nanomechanics Applications, 44–77. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-1043-7.ch003.

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The use of micro- and nanoparticles is rapidly advancing and has been most commonly used in medical and biological research that offers an encouraging scope in broad range of disciplines. Manipulation of the biomaterials to their micro- and nano-scale renders their properties and behavior different from that of the same material in the mass scale and make them more reactive than large particles. The removal of tooth structure and its restoration with synthetic material to solve the problems caused by dental caries, trauma and fracture is a practice nearly as old as dentistry. Efforts are made to create micro- and nanomaterials that can revolutionize these ancestral therapies and dental procedures. The use of these materials had shown some promising applications in caries control, endodontic therapy, regenerative dentistry, periodontology and oral biofilm management. This review aims to discuss the recent advances and future potential of polymer-based micro- and nanoparticles in dentistry.
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"Surfaces and Heterostructures at Nano- or Micro-Scale and Their Characterization, Properties, and Applications." In Supplemental Proceedings, 903. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062142.part12.

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Conference papers on the topic "Micro/nano-scale properties"

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Li, Xide, Liang Liu, Dujuan Zeng, and Dongchun Su. "Clamping properties investigation in micro/nano scale experimental mechanics." In Fourth International Conference on Experimental Mechanics, edited by Chenggen Quan, Kemao Qian, Anand K. Asundi, and Fook S. Chau. SPIE, 2009. http://dx.doi.org/10.1117/12.849173.

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Nagasaka, Yuji. "New Frontiers of Micro and Nano-Scale Thermophysical Properties Sensing." In ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ht2007-32033.

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The present keynote speech overviews new frontiers of sensing techniques for thermophysical properties in micro and nano-scale processes which are being developed at Keio. Especially, new optical sensing techniques to measure wide variety of thermophysical properties such as thermal diffusivity, thermal conductivity, viscosity, mass diffusion coefficient and surface tension of novel fluids and solids in micro and nano-scale are presented with an emphasis on their industrial applications. All of these new optical techniques have high spatial and temporal resolutions which have never been attained by other conventional measurement tools.
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Yoon, Eui-Sung, Arvind R. Singh, Hosung Kong, Byungkyu Kim, Doek-Ho Kim, Kahp Y. Suh, and Hoon Eui Jeong. "Tribological Properties of Nano/Micro-Patterned PMMA Surfaces on Silicon Wafer." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63964.

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Nano/micro-patterns made of polymethyl methacrylate (PMMA) that are biomimetic in nature, were fabricated on silicon wafer using capillary force lithography. Patterns with three different aspect ratios were investigated for their adhesion and friction properties at nano-scale using AFM, and for friction at micro-scale using mirco-tribo tester. The patterned samples exhibited superior tribological properties, both at nano and micro-scales when compared to that of the non-patterned PMMA thin film.
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OGAWA, Shin-ichi, Takashi KOUZAKI, Takehito YOSHIDA, and Robert SINCLAIR. "HRTEM and Nano-Scale Micro Analysis of the Titanium/Silicon Interfacial Reaction Correlated with Electrical Properties." In 1990 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 1990. http://dx.doi.org/10.7567/ssdm.1990.c-10-6.

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Roy Chowdhury, S. K. "Prediction of Nano-Scale Wear: An Analytical Approach." In ASME/STLE 2004 International Joint Tribology Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/trib2004-64225.

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When two surfaces touch each other, intimate contacts occur at the tips of the asperities and adhesional interaction between the solids arising out of the surface forces becomes significant. This effect need be considered in MEMs, micro-machines, magnetic storage systems other such situations where the surfaces are inherently smooth and loads are extremely low. Surfaces in these and many other tribological contacts may have sub-micron or even nanometric levels and the stochastic model for rough surfaces that typically applies to engineering surfaces is not suitable. The rough surface model is these circumstances must cover asperities ranging from nanometer to micrometer level and this essentially needs a fractal approach. The paper describes a theoretical study of adhesive wear at the contact between surfaces with nanometric level asperities at low loads using a fractal contact model and taking into account the surface forces. The model predicts wear between solids with wide range of material and surface properties. The results broadly confirm the experimental observation such as dependence of wear volume on normal load and also on adhesion due surface forces. Furthermore the fractal analysis gives a generalized solution and depending on the combinations of material and fractal parameters specific solutions, relevant to realistic situations may be arrived at, are obtained. Under certain parametric combinations high wear even under tensile load is predicted while near zero wear is expected for some another set of parameters. These predictions are certainly advantageous in the selection of surface and material properties in applications where loads are small and surfaces are ultra smooth.
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Huang, C. Z., H. L. Liu, J. Wang, and Z. W. Liu. "Study on Mechanical Properties of Multi-Scale and Multi-Phase Nanocomposite Ceramic Tool Materials." In ASME 2006 International Manufacturing Science and Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/msec2006-21054.

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The single nano-scale and multi-phase nanocomposite ceramic materials including Al2O3/Al2O3n/SiCn and Al2O3/Ti(C0.7N0.3)n/SiCn are successfully fabricated. Their mechanical properties are better than those of the single-phase alumina material and conventional alumina matrix materials. The multi-scale and single-phase nanocomposite ceramic tool material Al2O3/SiCμ/SiCn is also successfully fabricated. Its flexural strength and fracture toughness is higher than those of single-scale materials Al2O3/SiCμ and Al2O3/SiCn. The multi-scale and multi-phase nanocomposite ceramic tool material Al2O3/TiCμ/TiNn is finally developed by incorporation and dispersion of micro-scale TiC particle and nano-scale TiN particle in alumina matrix, which can get higher flexural strength and fracture toughness than those of Al2O3/TiC ceramic tool material without nano-scale TiN particle. The coexistent function of nano-scale Al2O3 or Ti(C0.7N0.3), nano-scale SiC and TiN can reduce the sintering temperature and sintering duration time as well as the grain size, and improve the material densification and mechanical properties. The nano-scale SiC grains locating along the grain boundary and inside the micro-scale alumina can form the hybria intergranular-intragranular microstructure which can result in hybria intergranular-transgranular fracture and improve the mechanical properties of the ceramic material. Crack deflection, forking and bridging effects are the main cause for improving the fracture toughness of the materials including Al2O3/Ti(C0.7N0.3)n/SiCn and Al2O3/TiCμ/TiNn.
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Maghsoudi, Elham, and Michael James Martin. "Simulation of Thermal Positioning in Micro- and Nano-Scale Bridge Structures." In ASME 2011 Pacific Rim Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Systems. ASMEDC, 2011. http://dx.doi.org/10.1115/ipack2011-52144.

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Heat transfer in a thermally-positioned doubly-clamped bridge, at the micro- and nano-scale, is simulated to investigate the effect of convective cooling on the mechanical response of the system. The mechanical response of the system is defined as the displacement at the center of the bridge. The heat conduction equation is solved numerically using a finite difference method to obtain the temperature distribution in the bridge. Then, thermal stress due to the temperature difference with respect to the wall temperature is calculated. The thermo-structural equation is solved numerically to get the displacement along the beam. Two systems are compared: one doubly clamped beam with a length of 100 microns, a width of 10 microns, and a thickness of 3 microns, and a second beam with a length of 10 microns, a width of 1 micron, and a thickness of 300 nanometers, in air at a pressure from 0.01 Pa to 2 MPa. Conduction within the beam as well as convection between the beam and the gas are considered. A constant heat load with respect to the time is applied to the top of the beam varying from 10 to 600 μW/μm2. The simulations use both free molecular and continuum models to define the convective coefficient, h. The simulations are performed for three different materials: silicon, silicon carbide, and diamond. The numerical results show that the displacement and the response of thermally-positioned nano-scale devices are strongly influenced by ambient cooling. The displacement depends on the material properties, the geometry of the beam, and the Biot number. In the free molecular model, the displacement varies significantly with the pressure at high Biot numbers, while it does not depend on cooling gas pressure in the continuum case. The significant variation of displacement starts at Biot number of 0.1 which occurs at gas pressure of 27 KPa in nano-scale. As the Biot number increases, the dimensionless displacement, δ* = δk/q″αl2 decreases. The displacement of the system increases significantly as the bridge length increases, while these variations are negligible when the bridge width and thickness change. Thermal noise analysis shows silicon carbide has the most physically meaningful displacements in comparison with silicon and cvd diamond.
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Lei, Yong, and Gerhard Wilde. "The UTAM Nano-Patterning: A New Surface Nano-Patterning Technique in Fabricating Ordered Arrayed Surface Nanostructures." In 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2007. http://dx.doi.org/10.1115/mnc2007-21628.

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A new surface nano-patterning technique, the so-called UTAM nano-patterning approach, is reported here in this paper. Using the UTAM nano-patterning technique, large-scale arrays of highly ordered nanostructures (nanoparticles and nanoholes) in the range of square centimeters have been fabricated on substrates in a massive parallel way. The resulting nanostructures are characterized by highly defined and controllable size, shape, composition, and spacing of the nanostructures. By changing the structural parameters of the nanoparticles, the properties of the nanoparticle arrays can be tuned. This non-lithographic surface nano-patterning approach provides an efficient and low-cost alternative in fabricating large-scale ordered arrays of surface nanostructures.
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Daugela, Antanas, Alex Meyman, Vladimir Knyazik, and Nikolai Yeremin. "Tribological Process Characterization With In-Situ Quantitative Nano-Scale Metrology." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63834.

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A novel quantitative nano+micro-tribometer with integrated nanoindenter, SPM and optical microscope imaging has been used to characterize mechanical properties of Cu coated Si wafers at various test stages. A 2D Finite Element Model was developed to study changes on workhardened contacts assessed via nanoindentation experiments.
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Fujitsuka, M., M. Yamaguchi, S. Ueno, T. Kouzu, I. Miura, S. Katayama, P. M. Champion, and L. D. Ziegler. "Development of Nano-Indentation Tester with a Raman Spectroscopy Interface for Mechanical Properties of Micro Scale Materials." In XXII INTERNATIONAL CONFERENCE ON RAMAN SPECTROSCOPY. AIP, 2010. http://dx.doi.org/10.1063/1.3482683.

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