Academic literature on the topic 'Surface properties of materials'

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Journal articles on the topic "Surface properties of materials"

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Shevchenko, V. M., N. A. Guts, A. Ye Shpak, and E. R. Surovtseva. "Basalt fiber based biocide materials." Surface 13(28) (December 30, 2021): 182–87. http://dx.doi.org/10.15407/surface.2021.13.182.

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It has long been known that materials containing cellulose fibers in their composition are destroyed by molds, microorganisms, actinomycetes, which use cellulose as a carbon source. Different fibrous materials to varying degrees (but always) are affected by molds. It is known that linseed and cotton types of paper are affected by the smallest number of fungi, and sulphate ones by the largest. The most biostable is cotton paper, the composition of which contains chalk in a sufficiently large amount. The observations carried out by the authors showed that the highest biostability (fungal resistance) is characteristic of papers containing chalk and kaolin, the lowest is glued types of paper with a high degree of sizing. Aging of paper with increasing temperature increases the overall susceptibility of all types of paper tested without exception. Obviously, changes in the physical and chemical properties of paper as a result of aging create more favorable conditions for the growth of fungi. It is well known that paper can serve as a medium for the spread of infectious diseases. The authors of the article studied the thermo-physical properties of basalt fiber and investigated the possibility of using it for the manufacture of heat-insulating technical paper.Obtaining materials that are not affected by bacteria, insects and molds (fungicidal,insecticidal) can be solved by using inorganic fibers, which are obtained from almost unlimited natural resources and which have excellent biochemical properties. It should be noted that the concept of "biocidal" paper (material) is collective. It combines species that differ in their ability to kill bacteria (bactericidal), molds (fungicidal), insects (insecticidal). Each of the biocidal types of materials has two or more of these properties.
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Meletis, E. I., and R. F. Hochman. "Corrosion Properties of Surface-Modified Materials." JOM 39, no. 12 (December 1987): 25–27. http://dx.doi.org/10.1007/bf03257567.

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Vassilakos, N., and C. Pinheiro Fernandes. "Surface properties of elastomeric impression materials." Journal of Dentistry 21, no. 5 (October 1993): 297–301. http://dx.doi.org/10.1016/0300-5712(93)90112-4.

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SUN, L., Y. ZHAO, W. M. HUANG, H. PURNAWALI, and Y. Q. FU. "WRINKLING ATOP SHAPE MEMORY MATERIALS." Surface Review and Letters 19, no. 02 (April 2012): 1250010. http://dx.doi.org/10.1142/s0218625x12500102.

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Many surface related properties, such as surface roughness, surface tension and reflection etc are heavily dependent on the surface morphology of materials. Patterned surfaces may have significant effects on these properties. In this paper, we compare wrinkles produced atop three different types of shape memory materials, namely, shape memory alloy, shape memory polymer and shape memory hybrid. We show the advantages and disadvantages of them in terms of the processing techniques and the resultant wrinkle patterns.
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Bondarenko, Dmitry, Iryna Plakhotnikova, Medeia Saliia, Olga Demina, and Alexander Bondarenko. "Surface active properties of silicate and aluminosilicate surfaces." MATEC Web of Conferences 230 (2018): 03002. http://dx.doi.org/10.1051/matecconf/201823003002.

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Liquid heat-insulation based on hollow microspheres and polymer compounds become more and more popular in the construction industry. This material enjoys indisputable technological advantages easiness of application, low mass, flexibility, good adhesion to different materials. Traditional non-organic heat insulating materials, widely presented on modern construction market, have some disadvantages. Foam concrete and gas silicate have relatively high average density, which enables obtaining items and materials with a fairly low thermal conductivity coefficient. These materials have high saturation coefficient and low values of cold endurance. Inside the mineral-wool plates, which are quite popular on the modern market, the hyperfine fibers transform into dust particles by time, and agglutinative compounds destruct, releasing toxic substances. The aluminosilicate microspheres have a high potential as a commercial product, but their market has just started forming. According to rough calculations, the cost of the product is next lower order to the hollow microspheres, obtained by industrial methods.
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Bernardy, Castine, and James Malley. "Virus Behavior after UV254 Treatment of Materials with Different Surface Properties." Microorganisms 11, no. 9 (August 25, 2023): 2157. http://dx.doi.org/10.3390/microorganisms11092157.

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The COVID-19 pandemic highlighted the limitations in scientific and engineering understanding of applying germicidal UV to surfaces. This study combines surface characterization, viral retention, and the related UV dose response to evaluate the effectiveness of UV254 as a viral inactivation technology on five surfaces: aluminum, ceramic, Formica laminate, PTFE and stainless steel. Images of each surface were determined using SEM (Scanning Electron Microscopy), which produced a detailed characterization of the surfaces at a nanometer scale. From the SEM images, the surface porosity of each material was calculated. Through further analysis, it was determined that surface porosity, surface roughness, contact angle, and zeta potential correlate to viral retention on the material. The imaging revealed that the aluminum surface, after repeated treatment, is highly oxidized, increasing surface area and surface porosity. These interactions are important as they prevent the recovery of MS-2 without exposure to UV254. The dose response curve for PTFE was steeper than ceramic, Formica laminate and stainless steel, as inactivation to the detection limit was achieved at 25 mJ/cm2. These findings are consistent with well-established literature indicating UV reflectivity of PTFE is maximized. Statistical testing reinforced that the efficacy of UV254 for surface inactivation varies by surface type.
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Mozetič, Miran. "Surface Modification to Improve Properties of Materials." Materials 12, no. 3 (January 31, 2019): 441. http://dx.doi.org/10.3390/ma12030441.

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Surface properties of modern materials are usually inadequate in terms of wettability, adhesion properties, biocompatibility etc., so they should be modified prior to application or any further processing such as coating with functional materials. Both the morphological properties and chemical structure/composition should be modified in order to obtain a desired surface finish. Various treatment procedures have been employed, and many are based on the application of non-equilibrium gaseous media, especially gaseous plasma. Although such treatments have been studied extensively in past decades and actually commercialized, the exact mechanisms of interaction between reactive gaseous species and solid materials is still inadequately understood. This special issue provides recent trends in nanostructuring and functionalization of solid materials with the goal of improving their functional properties.
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Assender, H. "How Surface Topography Relates to Materials' Properties." Science 297, no. 5583 (August 9, 2002): 973–76. http://dx.doi.org/10.1126/science.1074955.

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Voinea, M., C. Vladuta, C. Bogatu, and A. Duta. "Surface properties of copper based cermet materials." Materials Science and Engineering: B 152, no. 1-3 (August 2008): 76–80. http://dx.doi.org/10.1016/j.mseb.2008.06.020.

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Triantafyllidis, D., L. Li, and F. H. Stott. "Surface properties of laser-treated ceramic materials." Thin Solid Films 453-454 (April 2004): 76–79. http://dx.doi.org/10.1016/j.tsf.2003.11.079.

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Dissertations / Theses on the topic "Surface properties of materials"

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Shah, Amit. "Surface reproducibility of impression materials." Thesis, Birmingham, Ala. : University of Alabama at Birmingham, 2007. http://www.mhsl.uab.edu/dt/2007m/shah.pdf.

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Nayakasinghe, Mindika Tilan Abeyrathna. "Fundamental Surface Properties and Gas-Surface Interactions of Two-Dimensional Materials." Diss., North Dakota State University, 2019. https://hdl.handle.net/10365/29325.

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Heterogeneous model catalysis with supported nanomaterials on ultra-thin two-dimensional films has contributed significantly to improve the existing industrial catalytic processes, as well as to discover novel ways to enhance selectivity, specificity, and stability of the catalysts. Silica and zeolites are of particular interest, which has been widely utilized as catalysts and catalytic supports in several industrial processes. However, there are a limited number of surface science studies with zeolites due to the lack of surface analogs. Understanding the fundamental surface properties of silica and zeolites, involving the synthesis of surface analogs of silica and zeolites, characterization, surface modification, and screening for chemical and physical properties connected to the heterogeneous catalysis related applications utilizing advanced ultra-high vacuum-based surface science techniques is the main focus of this dissertation. Catalyst particles should be finely distributed on high surface area supports, in order to have high selectivity and specificity. Particle agglomeration during extreme catalyst operation (reaction) conditions decreases the efficiency of the catalysts over time. One common strategy to address the issue of particle agglomeration is to promote strong catalyst-support interactions. In this study, chemical reactivity of the inert silica was improved by doping with aluminum, which enhanced the polarity of silica (2D-zeolites) and hence the catalyst-support interactions compared to inert silica. Organohalide perovskite thin films are a fascinating class of material, which attract much attention in the recent past as the light harvesting materials in solar cells due to excellent power conversion efficiencies. However, poor thermal, chemical, and long-term stability limit the industrial applications of these organohalide perovskites. Gas-surface interactions on methylammonium lead iodide perovskite thin films were investigated in order to understand the thermal and the chemical degradation mechanisms utilizing UHV-based surface analytical techniques combined with computational calculations. Thermal stability improvement of the perovskite thin films by surface passivation using a protective chemical inhibition layer was successfully investigated experimentally.
ACS-PRF
North Dakota State University. Department of Chemistry and Biochemistry
North Dakota State University. Research and Creative Activity
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Li, Shuangwu. "Surface properties of electrospun polymer nanofibres." Thesis, Queen Mary, University of London, 2010. http://qmro.qmul.ac.uk/xmlui/handle/123456789/548.

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Fibrous materials are used in a variety of applications due to their relatively high surface area to volume ratio as well as anisotropic behaviour. Electrospinning is a popular fabrication technique which produces polymer nanofibres with a potentially high molecular orientation. The surface of polymer fibres plays a significant role in many applications thus measurement of their surface properties is essential but challenging due to their relatively small size. In this thesis, ultrafine nanofibres have been produced by electrospinning with their nanofibre morphology controlled by varying different processing parameters. Atomic force microscopy (AFM) adhesion contact mechanics and individual nanofibre wetting measurements have been conducted to explore surface properties of the produced electrospun polymer fibres. Results using traditional Owens-Wendt plots applied to our nanomaterials show electrospun nanofibres have a higher dispersive surface free energy compared to bulk polymer film but a lower polar contribution, giving a total surface free energy in excess of bulk equivalents. A novel proposed model indicates that this nanofibre dispersive surface free energy is intimately linked to density of the polymer and ultimately the molecular spacing or orientation for the polymer chains. Comparisons are made with bulk polymer films to show that a high degree of molecular orientation is present at least at the surface of the polymer nanofibre. Structure investigations on electrospun fibres of polyvinyl alcohol using FTIR and XPS surface techniques explore how an increase in hydrogen bonds formed within nanofibres rather than on the fibre surface enhance this dispersive contribution but lowers the polar contribution. The wetting behaviour of electrospun fibre is extended to assemblies at length scales above individual fibres to highlight how superhydrophobic surfaces can be produced from nanofibre networks with defined spacings and geometries. This superhydrophobicity was adequately described by a Cassie-Baxter model modified to account for the fibrous geometry.
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Chang, Wai-Kit. "Porous silicon surface passivation and optical properties." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/41426.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1996.
"June 1996."
Includes bibliographical references (leaves 84-85).
by Wai-Kit Chang.
S.M.
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Ojo, Sonia. "Simulation Studies of surface and bulk properties of materials." Thesis, University College London (University of London), 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.396360.

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Nelson, Geoffrey Winston. "Surface characterization and functional properties of carbon-based materials." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:f22b95ce-65f3-4d9e-ac3d-a88f6e142c1a.

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Carbon-based materials are poised to be an important class of 21st century materials, for bio-medical, bio-electronic, and bio-sensing applications. Diamond and polymers are two examples of carbon-based materials of high interest to the bio-materials community. Diamond, in its conductive form, can be used as an electrochemical bio-sensor, whilst its nanoparticle form is considered a non-inflammatory platform to deliver drugs or to grow neuronal cells. Polymers, especially when chemically modified, have been used extensively in biological environments, from anti-microbial use to drug delivery. The large-scale use of either material for biological use is limited by two factors: ease of chemical modification and the paucity of knowledge of their surface chemistry in aqueous media. This thesis addresses aspects of both these issues. The first study reported is an in situ study of the adsorption dynamics of an exemplar globular protein (bovine serum albumin, BSA) on nanodiamond using the relatively novel quartz crystal microbalance with dissipation (QCM-D) technique. For the first time, QCM-D enabled the detailed study of protein dynamics (i.e. kinetics, viscoelastic properties, overlayer structure, etc.) onto nanodiamond thin films having various surface chemistry and roughness. The dynamics of protein adsorption is found to be sensitive to surface chemistry at all stages of adsorption, but it is only sensitive to surface roughness during initial adsorption phases. Our understanding of the nanodiamond-biology interface is enhanced by this study, and it suggests that QCM-D is useful for the study of the surface chemistry of nanoparticle forms of inorganic materials. A second study concerns a novel surface functionalization scheme, based on carbene and azo-coupling chemistry, which has been recently introduced as a practical, facile method for modifying the surfaces of polymers. Using modern surface characterization techniques, it is demonstrated that a chemical linker can be attached to polystyrene surfaces using carbene-based chemistry, and that further chemical functionality can be added to this chemical linker via an azo-coupling reaction. In situ studies of protein dynamics at these interfaces were conducted using QCM-D, thus enabling a link between specific protein behaviour and the polymer surface chemical termination chemistry to be made. A third area of study of investigates the use of diamond electrodes as a bio-sensor for dopamine under physiological conditions. For these conditions, ascorbic acid interferes with the dopamine oxidation signal, in ways that render the two signals irresolvable. Various modifications are used in attempts to reduce this interference, including: small and large cathodic treatments, grafting of electro-active polymers, addition of carbon nanotubes, and hydrogen plasma treatment. Those modifications leading to the hydrogen-termination of diamond are shown to work the best. Notably, hydrogen plasma treatment effects the complete electrochemical separation of dopamine and ascorbic acid at a diamond electrode. This is the first time this has been accomplished without adding non-diamond materials to the diamond electrode surface.
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Karlsson, Linda. "Transmission Electron Microscopy of 2D Materials : Structure and Surface Properties." Doctoral thesis, Linköpings universitet, Tunnfilmsfysik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-127526.

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During recent years, new types of materials have been discovered with unique properties. One family of such materials are two-dimensional materials, which include graphene and MXene. These materials are stronger, more flexible, and have higher conductivity than other materials. As such they are highly interesting for new applications, e.g. specialized in vivo drug delivery systems, hydrogen storage, or as replacements of common materials in e.g. batteries, bulletproof clothing, and sensors. The list of potential applications is long for these new materials. As these materials are almost entirely made up of surfaces, their properties are strongly influenced by interaction between their surfaces, as well as with molecules or adatoms attached to the surfaces (surface groups). This interaction can change the materials and their properties, and it is therefore imperative to understand the underlying mechanisms. Surface groups on two-dimensional materials can be studied by Transmission Electron Microscopy (TEM), where high energy electrons are transmitted through a sample and the resulting image is recorded. However, the high energy needed to get enough resolution to observe single atoms damages the sample and limits the type of materials which can be analyzed. Lowering the electron energy decreases the damage, but the image resolution at such conditions is severely limited by inherent imperfections (aberrations) in the TEM. During the last years, new TEM models have been developed which employ a low acceleration voltage together with aberration correction, enabling imaging at the atomic scale without damaging the samples. These aberration-corrected TEMs are important tools in understanding the structure and chemistry of two-dimensional materials. In this thesis the two-dimensional materials graphene and Ti3C2Tx MXene have been investigated by low-voltage, aberration-corrected (scanning) TEM. High temperature annealing of graphene covered by residues from the synthesis is studied, as well as the structure and surface groups on single and double Ti3C2Tx MXene. These results are important contributions to the understanding of this class of materials and how their properties can be controlled.
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Meyer, Anne E. "Dynamics of "conditioning" film formation on biomaterials." Malmö : [s.n.], 1990. http://catalog.hathitrust.org/api/volumes/oclc/21989234.html.

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Klein, Katherine. "Electromagnetic properties of high specific surface minerals." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/20699.

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Murphy, Matthew. "Evaluation of dental implant materials and interactions with calcium phosphate solutions." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/evaluation-of-dental-implant-materials-and-interactions-with-calcium-phosphate-solutions(62aff83f-146d-4c79-85fd-0fb95c4d31e2).html.

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In this thesis, four experimental studies are reported. Two concern the surface structure of commercially relevant dental implant materials. Characterisation of four treated substrates supplied by Straumann AG was carried out. These include substrates equivalent to the commercially available SLA, SLActive and Roxolid implants. The materials vary in substrate alloy, commercially pure (grade 2) Ti and a TiZr alloy, and surface preparation treatments. All substrates are sandblasted and acid etched however post-etching one set are stored in air whilst the others are stored in saline. Within the work both substrate composition and surface treatment is shown to impact on the respective surface oxide thickness, crystallinity and morphology. The other two experimental studies concern calcium phosphate deposition from solution onto substrates. The first investigation is the deposition of calcium phosphate from a simulated body fluid onto implant-like substrates, shown to be structurally equivalent to the SLA and SLActive implant surfaces. The effect of surface modifications on calcium phosphate deposition is investigated; over the period investigated calcium phosphate did not deposit onto the SLA substrate, whilst deposition occurred within 3 days on the SLActive substrate. The role of Mg2+ ions in the simulated body fluid is also investigated, with increased [Mg2+] resulting in a longer induction period and modified crystallinity of the hydroxyapatite film formed. The final study is a model study of the initial calcium phosphate deposition on to substrates. TiO2 rutile (110) and Al2O3 corundum (0001) were prepared to be atomically flat and then exposed to a simple calcium phosphate solution. Changes in surface structure and surface chemistry over the first three hours of exposure were investigated. Deposition occurred rapidly on both substrates with a complete surface coverage after 3 hours.
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Books on the topic "Surface properties of materials"

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Surface modification of biomaterials: Methods, analysis and applications. Oxford: Woodhead Publishing Ltd, 2011.

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Bryant, Richard W. Inorganic coatings for enchanced metal surface properties. Norwalk, CT: Business Communications Co., 1986.

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1928-, Moore H. J., and United States. National Aeronautics and Space Administration., eds. Physical properties of the surface materials at the Viking landing sites on Mars. Washington: U.S. G.P.O., 1987.

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Moore, H. J. Estimates of some physical/mechanical properties of Martian rocks and soillike materials. [Menlo Park, CA]: U.S. Dept. of the Interior, U.S. Geological Survey, 1991.

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Lay, Guy. Semiconductor Interfaces: Formation and Properties. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987.

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Ravaglioli, A. Bioceramics: Materials · Properties · Applications. Dordrecht: Springer Netherlands, 1992.

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Hadjipanayis, George C. Nanophase Materials: Synthesis - Properties - Applications. Dordrecht: Springer Netherlands, 1994.

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1952-, Andrews David L., and Gaburro Zeno, eds. Frontiers in surface nanophotonics: Principles and applications. New York: Springer, 2007.

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Tronin, V. N. Energetics and percolation properties of hydrophobic nanoporous media. Hauppauge, N.Y: Nova Science Publishers, 2010.

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Bushby, Richard J. Liquid Crystalline Semiconductors: Materials, properties and applications. Dordrecht: Springer Netherlands, 2013.

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Book chapters on the topic "Surface properties of materials"

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Kajikawa, Kotaro. "Surface Plasmons." In Optical Properties of Advanced Materials, 67–92. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33527-3_3.

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White, Mary Anne. "Surface and Interfacial Phenomena." In Physical Properties of Materials, 275–98. Third edition. | Boca Raton : Taylor & Francis, CRC Press, 2019.: CRC Press, 2018. http://dx.doi.org/10.1201/9780429468261-13.

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Nanda, Debasis, Apurba Sinhamahapatra, and Aditya Kumar. "Superhydrophobic Metal Surface." In Materials with Extreme Wetting Properties, 179–93. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-59565-4_8.

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Puttick, K. E. "Surface damage in brittle materials." In Metrology and Properties of Engineering Surfaces, 323–59. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4757-3369-3_10.

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Borzenkov, Mykola, and Orest Hevus. "Colloidal Properties of Surface Active Monomers." In SpringerBriefs in Materials, 23–37. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08446-6_2.

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Zhang, Junji, and He Tian. "Surface and Interfacial Photoswitches." In Photochromic Materials: Preparation, Properties and Applications, 195–242. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2016. http://dx.doi.org/10.1002/9783527683734.ch6.

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McCafferty, E. "Acid-Base Properties of Surface Oxide Films." In SpringerBriefs in Materials, 1–54. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15648-4_1.

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Kuo, Cheng-Hsiung, and Yao-Tsyn Wang. "Evolution of Droplet Impact on Dry Surfaces with Different Surface Characteristics." In Properties and Characterization of Modern Materials, 99–112. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1602-8_9.

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Salama, I. A., N. R. Quick, and A. Kar. "Laser Surface Modification of Electronic Properties in Wide Band Gap Materials." In Surface Engineering, 111–24. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118788325.ch12.

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Tóth, A., I. Bertóti, M. Mohai, and T. Ujvári. "Surface Modification of Polyethylene by Nitrogen PIII: Surface Chemical and Nanomechanical Properties." In Materials Science Forum, 255–62. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-426-x.255.

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Conference papers on the topic "Surface properties of materials"

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Abdelouahab, A. C., P. E. Mazeran, M. Rachik, F. Palama Bongo, and J. Favergeon. "Measurement of mechanical properties of viscous plastic materials by nanoindentation." In CONTACT AND SURFACE 2013. Southampton, UK: WIT Press, 2013. http://dx.doi.org/10.2495/secm130101.

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Pernica, R., P. Fiala, M. Klima, P. Londak, and R. Kadlec. "A Plasma and Surface Properties of Materials." In 2021 Photonics & Electromagnetics Research Symposium (PIERS). IEEE, 2021. http://dx.doi.org/10.1109/piers53385.2021.9695006.

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Yatsymyrskyi, A. V., L. M. Grishchenko, V. E. Diyuk, A. N. Zaderko, O. Yu Boldyrieva, and V. V. Lisnyak. "Surface bromination of carbon materials: A DFT study." In 2017 IEEE 7th International Conference "Nanomaterials: Application & Properties" (NAP). IEEE, 2017. http://dx.doi.org/10.1109/nap.2017.8190141.

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Weller, A., and A. El-Bassiony. "Magnetic Properties of Archaeological Building Materials from Egypt." In Near Surface 2006 - 12th EAGE European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists & Engineers, 2006. http://dx.doi.org/10.3997/2214-4609.201402640.

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Hovsepyan, R. K., and V. Yu Rilova. "The investigation of LiNbO3 crystal surface properties." In Photorefractive Materials, Effects, and Devices II. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/pmed.1990.ap6.

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Lithium niohkte crystals are widely used in nonlinear and integrated optics, light modulators, radiation detectors. Hence, it is interesting to research a surface conduction and crystal-metal contact effect, as well as surface influence on crystal space property.
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Stéphan, O. "Surface Plasmon Coupling in Nanotubes." In STRUCTURAL AND ELECTRONIC PROPERTIES OF MOLECULAR NANOSTRUCTURES: XVI International Winterschool on Electronic Properties of Novel Materials. AIP, 2002. http://dx.doi.org/10.1063/1.1514134.

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Yaqiang Liu, Zhenlian An, Jun Cang, Feihu Zheng, and Yewen Zhang. "Preliminary study on surface properties of surface fluorinated epoxy resin insulation." In 2011 International Symposium on Electrical Insulating Materials (ISEIM). IEEE, 2011. http://dx.doi.org/10.1109/iseim.2011.6826334.

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Zafiropoulou, V. I., and A. E. Giannakopoulos. "Evaluation of hyperelastic material properties based on instrumented indentation." In CONTACT AND SURFACE 2015. Southampton, UK: WIT Press, 2015. http://dx.doi.org/10.2495/secm150141.

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Kašparová, M., F. Zahálka, and Š. Houdková. "Evaluation of material friction properties using the “Block-on-Ring” apparatus." In CONTACT/SURFACE 2009. Southampton, UK: WIT Press, 2009. http://dx.doi.org/10.2495/secm090111.

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Ditaranto, N. "XPS surface characterization to unravel nanomaterials properties." In 2023 IEEE Nanotechnology Materials and Devices Conference (NMDC). IEEE, 2023. http://dx.doi.org/10.1109/nmdc57951.2023.10344090.

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Reports on the topic "Surface properties of materials"

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Jo, Hyungyung, Hyeyoung Son, Mitchell Rencheck, Jared Gohl, Devin Madigan, Hugh Grennan, Matthew Giroux, Trevor Thiele-Sardina, Chelsea S. Davis, and Kendra A. Erk. Mechanical Properties of Durable Pavement Marking Materials and Adhesion on Asphalt Surfaces. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317357.

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Mechanical properties of commercially available temporary pavement marking (TPM) tapes and thermoplastic materials used as permanent pavement markings (PPM) were investigated using the non-destructive Tape Drape Test and conventional mechanical testing. The impact of temperature and aging on the adhesion of TPM tapes and thermoplastic PPM applied to asphalt core surfaces with various surface roughness and treatments was determined using a modular peel fixture and shear adhesion tests. The adhesion of TPM tapes to model smooth surfaces decreased as surface temperature was increased from 0 to 40°C (32 to 104°F). For some tapes, reduced adhesion and brittle broken fracture were observed at the lowest investigated temperature of -20°C (-4°F). The adhesion of tapes applied to asphalt decreased significantly within 1 week of aging at -25°C (-13°F). Ghost markings were more likely at higher aging temperatures. For PPM thermoplastics, better adhesion to asphalt was observed for higher application temperatures and rougher surfaces. Asphalt emulsion treatments reduced the adhesion of thermoplastics and increased the likelihood of adhesive failure after 5 months of aging at -25°C (-13°F). More ductile PPM thermoplastic materials had better adhesion to both smooth and rough asphalt surfaces compared to thermoplastic materials with a more brittle mechanical response.
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Guiochon, G. Study of the surface properties of ceramic materials by chromatography. Office of Scientific and Technical Information (OSTI), March 1992. http://dx.doi.org/10.2172/5474025.

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Guiochon, G. Study of the surface properties of ceramic materials by chromatography: Final report. Office of Scientific and Technical Information (OSTI), April 1995. http://dx.doi.org/10.2172/61204.

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Guiochon, G. Study of the surface properties of ceramic materials by chromatography. Final performance report. Office of Scientific and Technical Information (OSTI), March 1992. http://dx.doi.org/10.2172/10137351.

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Kruger, Jerome. Role of Surface and Thin Film Composition and Microstructure and Properties of Materials. Fort Belvoir, VA: Defense Technical Information Center, June 1988. http://dx.doi.org/10.21236/ada197995.

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Mims, Haley. Concrete testing for MTC : Oxocrete™ surface treatment. Engineer Research and Development Center (U.S.), March 2024. http://dx.doi.org/10.21079/11681/48291.

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This technical note provides an in-depth review of results for the concrete testing performed on a Materials Testing Center (MTC) project. At the request of the sponsor, Mr. Allan Shantz, this document specifically focuses on the difference in the physical and chemical properties between treated and untreated concrete cores and beams.
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Ersoy, Daniel. 693JK31810003 Non-Destructive Tools for Surface to Bulk Correlations of Yield Strength Toughness and Chemistry. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), February 2022. http://dx.doi.org/10.55274/r0012206.

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Evaluates the use of non-destructive surface testing (micro indentation, micro-machining, in situ chemistry, and replicate microscopy analysis) as a means to perform pipe material confirmation. The test results from thousands of lab and field material tests done on actual pipeline samples have been used to develop models that account for pipe material thermo-mechanical process variations and through-wall variability of material, mechanical, and chemical properties. A separate "training set" of twenty pipelines was made available to GTI, Element Resources, and ASU to allow initial model testing and prove-out prior to the seventy primary samples that were used to fully characterize pipeline properties and the correlation of surface to bulk properties, as well as develop predictive models of bulk properties based solely on surface obtained pipeline data. A set of seventy pipeline samples (termed Pipe Library) that were in service from the natural gas industry were selected for the project testing and modeling. A great deal of care and effort was put forth to select a reasonable number that provided the adequate breadth of variety as typically encountered by the industry in the field.
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Luft, Charles, Timothy Schutt, and Manoj Shukla. Properties and mechanisms for PFAS adsorption to aqueous clay and humic soil components. Engineer Research and Development Center (U.S.), May 2024. http://dx.doi.org/10.21079/11681/48490.

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The proliferation of poly- and perfluorinated alkyl substances (PFASs) has resulted in global concerns over contamination and bioaccumulation. PFAS compounds tend to remain in the environment indefinitely, and research is needed to elucidate the ultimate fate of these molecules. We have investigated the model humic substance and model clay surfaces as a potential environmental sink for the adsorption and retention of three representative PFAS molecules with varying chain length and head groups. Utilizing molecular dynamics simulation, we quantify the ability of pyrophyllite and the humic substance to favorably adsorb these PFAS molecules from aqueous solution. We have observed that the hydrophobic nature of the pyrophyllite surface makes the material well suited for the sorption of medium- and long-tail PFAS moieties. Similarly, we find a preference for the formation of a monolayer on the surface for long-chain PFAS molecules at high concentration. Furthermore, we discussed trends in the adsorption mechanisms for the fate and transport of these compounds, as well as potential approaches for their environmental remediation.
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Barker, Amanda, Thomas Douglas, Erik Alberts, P. U. Ashvin Iresh Fernando, Garrett George, Jon Maakestad, Lee Moores, and Stephanie Saari. Influence of chemical coatings on solar panel performance and snow accumulation. Engineer Research and Development Center (U.S.), January 2024. http://dx.doi.org/10.21079/11681/48059.

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Solar panel performance can be impacted when panel surfaces are coated with substances like dust, dirt, snow, or ice that scatter and/or absorb light and may reduce efficiency. As a consequence, time and resources are required to clean solar panels during and after extreme weather events or whenever surface coating occurs. Treating solar panels with chemical coatings that shed materials may decrease the operating costs associated with solar panel maintenance and cleaning. This study investigates three commercial coatings for use as self-cleaning glass technologies. Optical and thermal properties (reflectivity, absorption, and transmission) are investigated for each coating as well as their surface wettability and particle size. Incoming solar radiation was continuously monitored and snow events were logged to estimate power production capabilities and surface accumulation for each panel. In terms of power output, the commercial coatings made little impact on overall power production compared to the control (uncoated) panels. This was attributable to the overall high transmission, low absorption, and low reflection of each of the commercial coatings, making their presence on the surface of solar panels have minimal impact besides to potentially shed snow While the coatings made no observable difference to increase power production compared to the control panels, the shedding results from video monitoring suggest both the hydrophilic or hydrophobic test coatings decreased snow accumulation to a greater extent than the control panels (uncoated). Controlling the wettability properties of the solar panel surfaces has the potential to limit snow accumulation when compared to uncoated panel surfaces.
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Amend, Bill. PR-186-123716-R01 Analysis of Line Pipe Manufacturing Materials and Construction Practices. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), August 2017. http://dx.doi.org/10.55274/r0011419.

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The objective of this work is to: - Summarize, in spreadsheet format, historical API pipe specification requirements related to metallurgical attributes of the pipe, - Collect pipe property data for a wide range of pipe sizes, grades, and vintages, - Solicit subject matter expert input regarding the likelihood that pipe surface features and other attributes are sufficiently unique to allow pipe manufacturer and/or grade to be unambiguously determined, and to - Describe nondestructive in-situ analysis methods that can be used on operating pipelines to determine metallurgical properties.
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