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Relevant bibliographies by topics / Surface tension/energy / Dissertations / Theses

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Dissertations / Theses on the topic 'Surface tension/energy'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Whittaker, Kipp 1980. "A finite element surface tension model with forces based on surface energy minimization." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/89934.

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2

Lee, Chee-kwan. "Modelling of flexible surfaces using a point mass system /." [Hong Kong : University of Hong Kong], 1992. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13204889.

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3

Adler, Jeanette. "Film Formation and Surface Tension Studies of Powder Coatings." Thesis, KTH, Fibre and Polymer Technology, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3935.

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<p>In industrial use of paint systems a swift processing is crucial. Another very important issue is to improve the quality of the final coating. This report investigates the film formation process of powder coatings, specially the spreading of individual powder particles. The obtained results can be used to understand and control the film formation process. In this way the desired levelling can be achieved and thus the desired gloss or other surface characteristics that may be required. This means that the method could be used when evaluating different polymer and additive combinations that c

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4

Yildirim, Ismail. "Surface Free Energy Characterization of Powders." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/27525.

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Microcalorimetric measurements and contact angle measurements were conducted to study the surface chemistry of powdered minerals. The contact angle measurements were conducted on both flat and powdered talc samples, and the results were used to determine the surface free energy components using Van Oss-Chaudhury-Good (OCG) equation. It was found that the surface hydrophobicity of talc increases with decreasing particle size. At the same time, both the Lifshitz-van der Waals (gSLW) and the Lewis acid-base (gSAB) components (and, hence, the total surface free energy (gS)) decrease with decrea

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5

Stark, Logan Riekio. "Adhesion and Durability of Coatings on Polypropylene Exterior Sidings." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/665.

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Plastics have become a universal material for use in a myriad of commercial and consumer products. One such product, exterior siding, is the focus of this project. Although siding products were originally made from wood, vinyl siding, which offered superior performance, was introduced in the 1950’s. More recently, polypropylene (PP) siding has been introduced; PP provides a stronger product, which allows for deeper patterns and better edge detailing. PP siding, compared to traditional wood siding, doesn’t warp, crack, or degrade as easily with extended exposure to the elements, and is cheaper

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6

Maeda, Nobuo, and nobuo@engineering ucsb edu. "Phase Transitions of Long-Chain N-Alkanes at Interfaces." The Australian National University. Research School of Physical Sciences and Engineering, 2001. http://thesis.anu.edu.au./public/adt-ANU20011203.151921.

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An experimental study of phase transitions of long-chain n-alkanes induced by the effect of interfaces is described. ¶ The phase behaviour of long-chain n-alkanes (carbon number 14, 16, 17, 18) adsorbed at isolated mica surfaces and confined between two mica surfaces has been studied in the vicinity of and down to several degrees below the bulk melting points, Tm. Using the Surface Force Apparatus we have measured the thickness of alkane films adsorbed from vapour (0.97 [equal to or greater-than] p/p[subscript o] [equal to or greater-than] 0.997), studied capillary condensation transition, sub

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7

Yang, Xing. "Organic Fillers in Phenol-Formaldehyde Wood Adhesives." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/64999.

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Veneer-based structural wood composites are typically manufactured using phenol-formaldehyde resols (PF) that are formulated with wheat flour extender and organic filler. Considering that this technology is several decades old, it is surprising to learn that many aspects of the formulation have not been the subject of detailed analysis and scientific publication. The effort described here is part of a university/industry research cooperation with a focus on how the organic fillers impact the properties of the formulated adhesives and adhesive bond performance. The fillers studied in this work

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8

Tuckerman, James K. "Capillary Self-Assembly and its Application to Thermoelectric Coolers." Scholar Commons, 2010. http://scholarcommons.usf.edu/etd/3704.

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The thermoelectric effect was discovered well over a century ago, yet performance has not shown improvement until recent years. Prior work has shown that the thermoelectric effect can be enhanced by the use of microscale pieces of thermoelectric material. Conventional assembly techniques are inadequate to deal with parts of this size, making it necessary to find a suitable alternative before these devices can be made economically. Capillary self-assembly is a promising alternative to conventional techniques. This method employs the use of preparing substrates with areas of favorable surface te

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9

Bikai, Jacques. "Etude l'évolution des propriétés de surface d'un matériau minéral à porosité contrôlée lors de sa mise en oeuvre dans des tests d'ultrafiltration et de nanofiltration." Thesis, Mulhouse, 2015. http://www.theses.fr/2015MULH8633/document.

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L'objet de ce travail concernait la compréhension de l'évolution des propriétés hydrauliques des membranes céramiques d'UF/NF durant l'étape du conditionnement, et suite à un traitement alcalin. Dans un premier temps, une étude expérimentale a été réalisée par des tests de flux à l'eau pure avec 6 membranes minérales asymétriques (Na-mordenite et TiO2). Ensuite, l'évolution de la perméabilité hydraulique de ces membranes a été modélisée précisément par une fonction mathématique, mettant en évidence deux phases distinctes au cours du conditionnement : une hydratation rapide de la surface des cr

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10

Marques, Aline Maria Manrique. "Influencia da adesão particula-suspensão durante o processo de recobrimento em leito de jorro com atomização na base." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/267376.

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Orientador: Sandra Cristina dos Santos Rocha<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Quimica<br>Made available in DSpace on 2018-08-09T14:53:14Z (GMT). No. of bitstreams: 1 Marques_AlineMariaManrique_M.pdf: 2697128 bytes, checksum: 791a079eecd6ec0abc7c5950687642df (MD5) Previous issue date: 2007<br>Resumo: O objetivo de estudo deste trabalho consistiu na análise do recobrimento de partículas em leito de jorro com atomização na base do equipamento. Estudou-se o comportamento fluidodinâmico, as propriedades de adesão entre partícula-suspensão, o c

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11

Abrahão, Ricardo Tadeu. "Study on the dispersion of titanium dioxide pigment particles in water." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/3/3137/tde-29072013-120251/.

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Pigmentary titanium dioxide (TiO2) is the most important white pigment used in several industries, including those that manufacture plastic, coatings and paper. To achieve maximum efficiency in light scattering and to deliver the required opacity to the medium in which the TiO2 is present, the TiO2 particles must be fully dispersed throughout this medium. The particle dispersion in a cured, dry, or solid medium depends on the dispersion efficiency in the wet state, which depends on the effectiveness of the deagglomeration process. Based on the existing technical knowledge, the objective of thi

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12

Hartwig, Jason W. "Liquid Acquisition Devices for Advanced In-Space Cryogenic Propulsion Systems." Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1396562473.

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13

Nozaki, Hiroo. "Theoretical Studies of Atomic and Molecular Systems by Electronic Stress Tensor Theory." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215528.

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14

Li, Hiu-lung, and 李曉隆. "Determination of atomic structure of Co/GaN(0001) surface by using LEED Patterson inversion and tensor LEED fitting." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46089263.

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15

Froidefond, Cédric. "Contrôle morphologique et dimensionnel de particules d'(oxydr)oxyde d'aluminium." Paris 6, 2001. http://www.theses.fr/2001PA066570.

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16

Ahner, Nicole. "Wetting Optimized Solutions for Plasma Etch Residue Removal for Application in Interconnect Systems of Integrated Circuits." Doctoral thesis, Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-102773.

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In multi-level Co/low-k based interconnect systems of ultralarge-scale integrated electronic devices the removal of plasma etch residues by common plasma cleaning processes has been shown to alter material properties like k-value and leakage current of the low-k dielectric. Besides the development of less damaging plasma processes their substitution by wet cleaning steps is in the focus of research and development. With further decreasing feature dimensions the development of wet cleaning processes has to include wetting issues like the non-wetting of small features due to the surface energy o

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17

Montpied, Sylvie. "Contribution a l'etude de la passivation de composants sur arseniure de gallium : caracterisation de films dielectriques realises par depot en phase vapeur assiste par plasma." Clermont-Ferrand 2, 1986. http://www.theses.fr/1986CLF21020.

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Les transistors a effet champ a contact metal-semiconducteur, non passives, realises sur arseniure de gallium sont sujet a une degradation progressive de leurs performances statiques et dynamiques aux hyperfrequences. Ce defaut de fonctionnement est en parti attribue aux surfaces d'arseniure de gallium situees de part et d'autres de la grille. La stabilisation des composants requiert donc de la passivation de ces zones grace a des materiaux de haute qualite dielectrique realisant une interface stable avec gaas. Dans cette optique, les proprietes physico-chimiques et electriques de films de sil

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18

Ahner, Nicole. "Wetting Optimized Solutions for Plasma Etch Residue Removal for Application in Interconnect Systems of Integrated Circuits: Benetzungsoptimierte Reinigungslösungen für die Entfernung von Plasmaätzresiduen für die Anwendung im Verdrahtungssystem integrierter Schaltungen." Doctoral thesis, Universitätsverlag der Technischen Universität Chemnitz, 2011. https://monarch.qucosa.de/id/qucosa%3A19826.

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In multi-level Co/low-k based interconnect systems of ultralarge-scale integrated electronic devices the removal of plasma etch residues by common plasma cleaning processes has been shown to alter material properties like k-value and leakage current of the low-k dielectric. Besides the development of less damaging plasma processes their substitution by wet cleaning steps is in the focus of research and development. With further decreasing feature dimensions the development of wet cleaning processes has to include wetting issues like the non-wetting of small features due to the surface energy o

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19

Moody, Michael. "Free energy techniques for the computer simulation of surface tension with applications to curved surfaces." 2005. http://arrow.unisa.edu.au:8081/1959.8/46691.

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Free energy techniques provide the basis for an analysis of aspects of the liquid-vapour interface undertaken in this study. The main focus of this work is an extensive theoretical investigation into properties of the surface tension, including curvature dependence and supersaturation effects, using Monte Carlo computer simulation techniques.

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20

Lawrence, James Jefferies. "Advanced Tools For Characterizing HMA Fatigue Resistance." Thesis, 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-12-7320.

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Accurately and efficiently characterizing the material properties of hot mix asphalt (HMA) is critical to the design and development of pavements that can experience repeated loading for long periods of time and resist fatigue cracking. The Calibrated Mechanistic with Surface Energy (CMSE) method of design to preclude this primary type of distress requires that the HMA material be tested using the Relaxation Modulus (RM) and Repeated Direct Tension (RDT) tests to determine the material properties required for accurate calculations. The RM test requires considerable time to complete and provide

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21

Cruz, Maria Manuela Silva. "Estudo da molhabilidade da madeira de pinho pela resina ureia-formaldeído." Master's thesis, 2006. http://hdl.handle.net/10400.5/1082.

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Mestrado em Engenharia de Materiais Lenhocelulósicos - Instituto Superior de Agronomia<br>Wettability phenomena is related to macroscopic manifestations of molecular interaction between liquids and solids interfaces. A better knowledge of these phenomena in wood is important to improve the capacity of interaction between wood and adhesives in applications involving gluing, because a good wettabilty is crucial for a good adhesion. The main objective of this work was to study the wettability of pine (Pinus Pinaster) and eucalypt (Eucalyptus Globulus), subjected to different treatments usin

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