Relevant bibliographies by topics / Aluminum – Surfaces

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

Academic literature on the topic 'Aluminum – Surfaces'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 September 2023

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Journal articles on the topic "Aluminum – Surfaces"

1

Lazarevic, Zorica, Vesna Miskovic-Stankovic, Zorica Kacarevic-Popovic, and Dragutin Drazic. "Epoxy coatings electrodeposited on aluminium and modified aluminium surfaces." Chemical Industry 56, no. 11 (2002): 468–72. http://dx.doi.org/10.2298/hemind0211468l.

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The corrosion behaviour and thermal stability of epoxy coatings electrodeposited on modified aluminum surfaces (anodized, phosphatized and chromatized-phosphatized aluminium) were monitored during exposure to 3% NaCl solution, using electrochemical impedance spectroscopy (EIS) and thermogravimetric analysis (TGA). Better protective properties of the epoxy coatings on anodized and chromatized-phosphatized aluminum with respect to the same epoxy coatings on aluminum and phosphatized aluminum were obtained: higher values of Rp and Rct and smaller values of Cc and Cd, from EIS, and a smaller amount of absorbed water inside the coating, from TGA. On the other hand, a somewhat lower thermal stability of these coatings was obtained (smaller values of the ipdt temperature). This behavior can be explained by the less porous structure of epoxy coatings on anodized and chromatized-phosphatized aluminum, caused by a lower rate of H2 evolution and better wet ability.
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Luo, Tianhui, Peng Xu, and Chang Guo. "Controllable Construction and Corrosion Resistance Mechanism of Durable Superhydrophobic Micro-Nano Structure on Aluminum Alloy Surface." Sustainability 15, no. 13 (July 4, 2023): 10550. http://dx.doi.org/10.3390/su151310550.

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Aluminum alloy corrosion resistance could be improved by micro-nanostructures on superhydrophobic surfaces, but inadequate mechanical stability remains a bottleneck concern in the sector. Herein, femtosecond laser processing and spray modification techniques are employed to fabricate “armor-style” micro-nanostructures on aluminum alloy surfaces. The construction of durable superhydrophobic surfaces was controllably constructed using this strategy. Applying a spray of hydrophobic nano silica onto the surface of aluminum alloys is an effective method for creating a low surface energy coating, while the femtosecond laser-processed “armor-style” micro-nano structure offers additional adhesion sites for the hydrophobic nano-silica. The findings indicated that the treated surface’s contact angle (CA) reached 152.5° while the slide angle (SA) was only 2.3°, exhibiting favorable superhydrophobic performance. Being worn 100 times with 400# sandpaper, the superhydrophobic surface retained a contact angle above 150°. Electrochemical tests demonstrated significant reductions in the self-corrosion current of superhydrophobic surfaces. Meanwhile, the impedance increased significantly, showing good thermal, mechanical, and chemical stability, enabling better sustainable use of aluminum alloys. These results will serve as a theoretical foundation for the surface protection of aluminum alloys.
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Yang, Jin, Zhaozhu Zhang, Xianghui Xu, Xuehu Men, Xiaotao Zhu, and Xiaoyan Zhou. "Superoleophobic textured aluminum surfaces." New Journal of Chemistry 35, no. 11 (2011): 2422. http://dx.doi.org/10.1039/c1nj20401g.

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Huang, Ying, Dilip K. Sarkar, and X. Grant Chen. "Preparation of Nanostructured Superhydrophobic Copper and Aluminum Surfaces." Advanced Materials Research 409 (November 2011): 497–501. http://dx.doi.org/10.4028/www.scientific.net/amr.409.497.

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Preparation of nanostructured superhydrophobic surfaces requires both an optimum roughness and low surface energy. Application of a direct voltage between two copper plates immersed in a dilute ethanolic stearic acid solution transforms the surface of the anodic copper electrode to superhydrophobic due to the formation of micro-nanofibrous low surface energy flower-like copper stearate as confirmed by scanning electron microscope (SEM). Nanostructured superhydrophobic aluminum surfaces have also been prepared by electrodeposition of copper films on aluminum surfaces followed by electrochemical modification by ethanolic stearic acid. The X-ray diffraction (XRD) analyses confirmed the formation of copper films on aluminum substrates. The electrodeposited copper films are composed of microdots of copper whose density increases with the decrease of deposition potential as observed by SEM. The deposited copper microdots on aluminum substrates were electrochemically modified to low surface energy copper stearate nanofibres to obtain superhydrophobicity. The copper films deposited at potentials above-0.6 V did not exhibit superhydrophobic properties. However, the copper films deposited at potential-0.6 V and below exhibited superhydrophobic properties with water drop rolling-off those surfaces.
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Li, Jing, Guo Hua Cao, Xin Ming Zhang, Cheng Yu Xu, and Qiang Li. "Fabrication on Hydrophobicity of the Etched Aluminium Alloy Surfaces." Advanced Materials Research 924 (April 2014): 134–37. http://dx.doi.org/10.4028/www.scientific.net/amr.924.134.

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Hydrophobic surfaces with contact angles greater than 90° and roll-off angles below 10° for water have been developed, based on low energy surfaces and rough texture on the micro-and nanometer scales. In this study, we fabricated a hydrophobic surface on a aluminum alloy substrate using the method of chemical etching without being modified by organic liquids such as surfactant-based solutions, alcohols, or alkanes. The measurement showed that the as-prepared surfaces possessed roughness on the micrometer scales by laser scanning confocal microscopy. The etched aluminum alloy surfaces had a maximum water contact angle of 120o by using a water contact angle measurement. The forming course of the aluminum alloy etched surfaces with pores was analyzed. The wettability of the etched aluminum alloy surfaces is reinforced by means of controlling the surface rough texture on the micrometer scales.
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Lagoyskaya, M. V. "Influence of abrasive materials on the quality of analytical surfaces during preparation of samples for spectral analysis." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 3 (October 20, 2020): 112–16. http://dx.doi.org/10.21122/1683-6065-2020-3-112-116.

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The article considers the possibility of contamination of the surface of steel samples with abrasive materials when preparing samples for determining the chemical composition on optical emission spectrometers.The standards for sample preparation methods describe in detail the methods of surface treatment, the materials used, and the requirements for the quality of the analyzed surface. The sample surface can be milled or sanded using various abrasive materials. In practice, the laboratory found that the surface of samples during sample preparation is contaminated with aluminum and calcium.In order to determine how the contamination of analytical surfaces occurs, the chemical composition of all materials used in the preparation of samples was studied, and an experiment was conducted to establish a method for preparing the sample surface that does not lead to contamination of the surface with aluminum and calcium. For the experiment, three standard samples of steel composition were selected with certified values of the mass fraction of aluminum and calcium in different ranges. The surface of each sample was processed in three ways and optical emission spectral analysis was performed on each analytical surface at five points to determine the value of the mass fraction of aluminum and calcium and to estimate the spread of the results obtained. As a result of tests it was found that by grinding the sample surface by using abrasive white corundum and abrasive paper grit P40 is the surface contamination of the analyzed sample in aluminum and calcium, therefore, when determining the mass fraction of aluminium and calcium in steel are required for surface preparation to use the method of milling.
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Kim, Jin Yong, John S. Hardy, and K. Scott Weil. "Use of aluminum in air-brazing aluminum oxide." Journal of Materials Research 19, no. 6 (June 2004): 1717–22. http://dx.doi.org/10.1557/jmr.2004.0221.

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A commercial aluminum foil was used to braze alumina plates in air. Although the outer surface of the aluminum oxidizes in air, the majority of the aluminum underneath remains unoxidized during brazing, allowing the ceramic pieces to be joined together with adequate strength. Joint strength testing and subsequent examination of the fracture surfaces of the joints indicate that the joints are inherently ductile, even after long-term, high-temperature air exposure.
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Deng, Jian, Guanrong Zhao, Jieheng Lei, Lin Zhong, and Zeyong Lei. "Research Progress and Challenges in Laser-Controlled Cleaning of Aluminum Alloy Surfaces." Materials 15, no. 16 (August 9, 2022): 5469. http://dx.doi.org/10.3390/ma15165469.

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Aluminum alloys have been widely utilized in automobiles, aircraft, building structures, and high-speed railways industries due to their excellent structural and mechanical properties. Surface oxide film removal prior to aluminum alloy welding and old paint removal prior to repainting aluminum alloy surfaces are critical factors in ensuring the welding quality and service life of aluminum alloy products. Because of its unique advantages, such as environmental protection and precision control, laser-controlled cleaning has great application potential as a surface cleaning technology in removing oxide films and paint layers on aluminum alloy surfaces. In this paper, the mechanism of laser cleaning of oxide films and paint layers on aluminum alloy is discussed. Furthermore, the impact of various processing parameters such as laser beam power, energy density, scanning speed, and so on is analyzed in detail. After laser cleaning, the corrosion resistance, welding performance, adhesive performance, and other properties of the aluminum alloy are optimized. This paper also discusses several real-time detection technologies for laser cleaning. A summary and the development trend are provided at the end of the paper.
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Hoque, E., J. A. DeRose, G. Kulik, P. Hoffmann, H. J. Mathieu, and B. Bhushan. "Alkylphosphonate Modified Aluminum Oxide Surfaces." Journal of Physical Chemistry B 110, no. 22 (June 2006): 10855–61. http://dx.doi.org/10.1021/jp061327a.

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JIN, Jin-sheng. "SURFACE MORPHOLOGIES OF ALUMINUM FILMS ON SILICONE OIL SURFACES." Journal of Zhejiang University SCIENCE 2, no. 4 (2001): 384. http://dx.doi.org/10.1631/jzus.2001.0384.

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Dissertations / Theses on the topic "Aluminum – Surfaces"

1

Whitten, James E. "Electron-stimulated desorption from aluminum surfaces /." The Ohio State University, 1991. http://rave.ohiolink.edu/etdc/view?acc_num=osu14876939231976.

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Lopez, Ken S. B. Massachusetts Institute of Technology. "Hierarchical superhydrophobic aluminum surfaces for condensation applications." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/74448.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 51).
Many existing industrial systems, including thermal desalination plants and air conditioning systems, involve the process of condensation and are heavily dependent on this process for achieving adequate levels of energy efficiency. In order to obtain these levels of efficiency, condensation heat transfer must be optimized through the application of dropwise condensation. One ongoing solution for improving the performance of dropwise condensation is the implementation of superhydrophobic structures and chemistries on condensing surfaces. Aluminum, being a heavily utilized material in many condensing systems and other industrial applications, is the subject of the present study. This thesis presents methods for synthesizing aluminum surfaces to produce microstructured morphologies through chemical etching with hydrogen chloride and oxidation with sodium hydroxide. After functionalization of these surfaces with a hydrophobic surface coating, the surfaces were tested for condensation using optical microscopy and a high quality environmental chamber. From experimentation, condensed droplets on these surfaces were unable to achieve the proper Wenzel to Cassie-Baxter transition and produce a jumping behavior which is a necessary criterion for superhydrophobic condensation. However, the HCl etched aluminum surface was able to achieve heat transfer rates greater than the smooth, filmwise aluminum surface by a factor of 2 and greater than the smooth, dropwise aluminum surface by a factor of 5/3. This implies that these structures were still capable of improving heat transfer rates despite their inability to surpass the energy barrier required for superhydrophobic condensation.
by Ken Lopez.
S.B.
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Kuo, Shun-meen. "Surface and subsurface deformation of aluminum and aluminum alloys in dry sliding wear /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487325740717942.

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Pokrajac, Lisa A. "Fundamental studies of polyurethane - aluminum adhesion, phenyl isocyanate interaction with prepared aluminum oxide surfaces." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0006/MQ40733.pdf.

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Thieme, Michael, Christa Blank, de Oliveira Aline Pereira, Hartmut Worch, Ralf Frenzel, Susanne Höhne, Frank Simon, Lewis Hilton G. Pryce, and Aleksandr J. White. "Superhydrophobic Aluminum Surfaces: Preparation Routes, Properties and Artificial Weathering Impact." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-107085.

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Among the materials that can be treated in order to impart superhydrophobic properties are many originally hydrophilic metals. For this, they must undergo a sequential treatment, including roughening and hydrophobic coating. This contribution presents various preparation routes along with various characterization methods, such as dynamic contact angle (DCA) measurements, scanning electron microscopy (SEM) and spectroscopic techniques (FT–IRRAS, XPS, EIS). Micro-rough surfaces of pure and alloyed aluminum were generated most easily by using a modifie Sulfuric Acid Anodization under Intensifie conditions (SAAi). This produces a micro-mountain-like oxide morphology with peak-to-valley heights of 2 μm and sub-μm roughness components. Additionally, micro-embossed and micro-blasted surfaces were investigated. These micro-roughened initial states were chemically modifie with a solution of a hydrophobic compound, such as the reactive f uoroalkylsilane PFATES, the reactive alkyl group containing polymer POMA, or the polymer Teflo ® AF. Alternatively, the chemical modificatio was made by a Hot Filament Chemical Vapor Deposition (HFCVD) of a PTFE layer. The latter can form a considerably higher thickness than the wet-deposited coatings, without detrimental leveling effects being observed in comparison with the original micro-rough surface. The inherent and controllable morphology of the PTFE layers represents an important feature. The impacts of a standardized artificia weathering (WTH) on the wetting behavior and the surface-chemical properties were studied and discussed in terms of possible damage mechanisms. A very high stability of the superhydrophobicity was observed for the f uorinated wet-deposited PFATES and Teflo ® AF coatings as well as for some of the PTFE layer variants, all on SAAi-pretreated substrates. Very good results were also obtained for specimens produced by appropriate mechanical roughening and PTFE coating.
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Thieme, Michael, Christa Blank, de Oliveira Aline Pereira, Hartmut Worch, Ralf Frenzel, Susanne Höhne, Frank Simon, Lewis Hilton G. Pryce, and Aleksandr J. White. "Superhydrophobic Aluminum Surfaces: Preparation Routes, Properties and Artificial Weathering Impact." Technische Universität Dresden, 2009. https://tud.qucosa.de/id/qucosa%3A26716.

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Among the materials that can be treated in order to impart superhydrophobic properties are many originally hydrophilic metals. For this, they must undergo a sequential treatment, including roughening and hydrophobic coating. This contribution presents various preparation routes along with various characterization methods, such as dynamic contact angle (DCA) measurements, scanning electron microscopy (SEM) and spectroscopic techniques (FT–IRRAS, XPS, EIS). Micro-rough surfaces of pure and alloyed aluminum were generated most easily by using a modifie Sulfuric Acid Anodization under Intensifie conditions (SAAi). This produces a micro-mountain-like oxide morphology with peak-to-valley heights of 2 μm and sub-μm roughness components. Additionally, micro-embossed and micro-blasted surfaces were investigated. These micro-roughened initial states were chemically modifie with a solution of a hydrophobic compound, such as the reactive f uoroalkylsilane PFATES, the reactive alkyl group containing polymer POMA, or the polymer Teflo ® AF. Alternatively, the chemical modificatio was made by a Hot Filament Chemical Vapor Deposition (HFCVD) of a PTFE layer. The latter can form a considerably higher thickness than the wet-deposited coatings, without detrimental leveling effects being observed in comparison with the original micro-rough surface. The inherent and controllable morphology of the PTFE layers represents an important feature. The impacts of a standardized artificia weathering (WTH) on the wetting behavior and the surface-chemical properties were studied and discussed in terms of possible damage mechanisms. A very high stability of the superhydrophobicity was observed for the f uorinated wet-deposited PFATES and Teflo ® AF coatings as well as for some of the PTFE layer variants, all on SAAi-pretreated substrates. Very good results were also obtained for specimens produced by appropriate mechanical roughening and PTFE coating.
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Saint-Cast, Pierre [Verfasser]. "Passivation of Si Surfaces by PECVD Aluminum Oxide / Pierre Saint-Cast." Konstanz : Bibliothek der Universität Konstanz, 2012. http://d-nb.info/1048524833/34.

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Alheshibri, Muidh Hamed. "USING GRADIENTS TO MANIPULATE WATER DROPLET BEHAVIOR ON COPPER AND ALUMINUM SURFACES." Miami University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=miami1386599950.

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Tait, Steven L. "Desorption kinetics of small n-alkanes from MgO(100), Pt(111), and C(0001)/Pt(111) and studies of Pd nanoparticles : growth and sintering on Al₂O₃(0001) and methane dissociation on MgO(100) /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/9630.

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Niu, Chengyu. "Metal-Aluminum Oxide Interactions: Effects of Surface Hydroxylation and High Electric Field." Thesis, University of North Texas, 2001. https://digital.library.unt.edu/ark:/67531/metadc3039/.

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Metal and oxide interactions are of broad scientific and technological interest in areas such as heterogeneous catalysis, microelectronics, composite materials, and corrosion. In the real world, such interactions are often complicated by the presence of interfacial impurities and/or high electric fields that may change the thermodynamic and kinetic behaviors of the metal/oxide interfaces. This research includes: (1) the surface hydroxylation effects on the aluminum oxide interactions with copper adlayers, and (2) effects of high electric fields on the interface of thin aluminum oxide films and Ni3Al substrate. X-ray photoelectron spectroscopy (XPS) studies and first principles calculations have been carried out to compare copper adsorption on heavily hydroxylated a- Al2O3(0001) with dehydroxylated surfaces produced by Argon ion sputtering followed by annealing in oxygen. For a heavily hydroxylated surface with OH coverage of 0.47 monolayer (ML), sputter deposition of copper at 300 K results in a maximum Cu(I) coverage of ~0.35 ML, in agreement with theoretical predictions. Maximum Cu(I) coverage at 300 K decreases with decreasing surface hydroxylation. Exposure of a partially dehydroxylated a-Al2O3(0001) surface to either air or 2 Torr water vapor results in recovery of surface hydroxylation, which in turn increases the maximum Cu(I) coverage. The ability of surface hydroxyl groups to enhance copper binding suggests a reason for contradictory experimental results reported in the literature for copper wetting of aluminum oxide. Scanning tunneling microscopy (STM) was used to study the high electric field effects on thermally grown ultrathin Al2O3 and the interface of Al2O3 and Ni3Al substrate. Under STM induced high electric fields, dielectric breakdown of thin Al2O3 occurs at 12.3 } 1.0 MV/cm. At lower electric fields, small voids that are 2-8 A deep are initiated at the oxide/metal interface and grow wider and deeper into the metal substrate, which eventually leads to either physical collapse or dielectric breakdown of the oxide film on top.
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Books on the topic "Aluminum – Surfaces"

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Sheppard, Terry. Extrusion of Aluminium Alloys. Boston, MA: Springer US, 1999.

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Slaby, Scott M. Degradation of perfluorinated ether lubricants on pure aluminum surfaces: Semiempirical quantum chemical modeling. Cleveland, OH: National Aeronautics and Space Administration, Lewis Research Center, 1997.

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W, Ewing David, Zehe Michael J, and United States. National Aeronautics and Space Administration., eds. Degradation of perfluorinated ether lubricants on pure aluminum surfaces: Semiempirical quantum chemical modeling. [Washington, D.C.]: National Aeronautics and Space Administration, 1997.

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A, Dzombak David, ed. Surface complexation modeling: Gibbsite. Hoboken, N.J: Wiley, 2010.

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H, Phillip W., and United States. National Aeronautics and Space Administration., eds. A novel method for depositing precious metal films on difficult surfaces. [Washington, DC]: National Aeronautics and Space Administration, 1994.

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King, R. G. Surface treatment and finishing of aluminium. Oxford: Pergamon Books, 1988.

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R, Jones William. Ester oxidation on an aluminum surface using chemiluminescence. Cleveland, Ohio: Lewis Research Center, 1986.

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Anthony, Meador Michael, Morales Wilfredo, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Ester oxidation on an aluminum surface using chemiluminescence. [Washington, D.C.]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1987.

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Wernick, S. The surface treatment and finishing of aluminum and its alloys. 5th ed. Ohio: ASM International, 1987.

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Kazuhisa, Miyoshi, and Lewis Research Center, eds. Properties data for adhesion and surface chemistry of aluminum: Sapphire-aluminum, single-crystal couple. [Cleveland, Ohio]: National Aeronautics and Space Administration, Lewis Research Center, 1998.

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Book chapters on the topic "Aluminum – Surfaces"

1

Feenstra, R. M., and S. W. Hla. "2.3.1 AlAs, Aluminum Arsenide." In Physics of Solid Surfaces, 45. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-47736-6_18.

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Feenstra, R. M., and S. W. Hla. "2.3.2 AlN, Aluminum Nitride." In Physics of Solid Surfaces, 46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-47736-6_19.

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Feenstra, R. M., and S. W. Hla. "2.3.3 AlSb, Aluminum Antimonide." In Physics of Solid Surfaces, 47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-47736-6_20.

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Runge, Jude Mary. "Metallurgy Basics for Aluminum Surfaces." In The Metallurgy of Anodizing Aluminum, 191–248. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-72177-4_4.

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Dubois, L. H., B. E. Bent, and R. G. Nuzzo. "Model Organic Rearrangements on Aluminum Surfaces." In Surface Reactions, 135–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-78746-1_5.

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Jensen, K. O., and A. B. Walker. "Positron Thermalisation in Aluminum." In Interaction of Charged Particles with Solids and Surfaces, 631–36. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-8026-9_37.

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Lee, Junghoon, Junghoon Lee, and Chang-Hwan Choi. "Superhydrophobic Surfaces for Anti-Corrosion of Aluminum." In Advances in Contact Angle, Wettability and Adhesion, 267–98. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2018. http://dx.doi.org/10.1002/9781119459996.ch12.

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Valkealahti, S., and M. Manninen. "Diffusion processes and growth on aluminum cluster surfaces." In Small Particles and Inorganic Clusters, 496–502. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60854-4_119.

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Huang, Y., and S. W. Van Sciver. "Heat Transfer from Aluminum Surfaces to Pool Boiling He I." In A Cryogenic Engineering Conference Publication, 211–16. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0373-2_27.

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Nelson, Lloyd S., Maureen J. Eatough, and Kenneth P. Guay. "Why Does Molten Aluminum Explode at Underwater or Wet Surfaces?" In Essential Readings in Light Metals, 1057–67. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48228-6_133.

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Conference papers on the topic "Aluminum – Surfaces"

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Azofeifa, D. E., N. Clark, and A. Amador. "Hydrogen absorption on palladium coated aluminum films." In The 8th Latin American congress on surface science: Surfaces , vacuum, and their applications. AIP, 1996. http://dx.doi.org/10.1063/1.51197.

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Graves, R. J., and H. W. White. "Tunneling Spectroscopy Study of Aniline Adsorbed on Aluminum Oxide." In Microphysics of Surfaces, Beams, and Adsorbates. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/msba.1987.wc8.

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Information on the types and orientations of molecular species produced at the metal-adsorbate interface is generally very difficult to obtain since the thickness of the region is of the order of 5 to 10 angstroms. Tunneling spectroscopy can provide information on the bonding of these species and, to a limited extent, provide some information on their orientations with respect to the oxide.
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Higashi, G. S., G. E. Blonder, and C. G. Fleming. "Wavelength Dependent Activation Selectivity In Aluminum Chemical Vapor Deposition." In Microphysics of Surfaces, Beams, and Adsorbates. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/msba.1987.tub2.

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Projection patterned laser deposition offers an alternative technique to focussed beam writing in the growth of patterned films for microelectronic applications. Focussed beam writing has the advantage of extreme flexibility because it allows discretionary patterning, while the projection patterned deposition technique offers high throughput for the repetitive processes encountered in mass production.
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Haque, Mohammad Rejaul, and Amy Rachel Betz. "Frost Formation on Aluminum and Hydrophobic Surfaces." In ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icnmm2018-7609.

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Ice and frost formation on the surfaces of car windshield, airplanes, air-conditioning duct, transportation, refrigeration and other structures is of great interest due to its negative impact in the efficiency and reliability of the system. Frost formation is a complex and fascinating phenomenon. Frequent defrosting are required to remove the ice that causes economic losses. In order to delay the freezing phenomenon, hydrophobic surfaces (Al-H) were prepared using a very simple and low cost method by dip coating of Aluminum in Teflon© and FC - 40 solution at a ratio of 2:10. Later, the samples were placed on a freezing stage in a computer controlled environmental chamber. The freezing stage was held at a constant temperature of 265 ± 0.5 K. The environmental temperature was set to 295 ± 0.5 K and the relative humidity (RH) was set to 40% and 60% respectively. The samples were observed via optical microscopy from the top and videos of the freezing dynamics were captured. The time required for the whole surface to freeze was named as ‘Freezing time’ and is determined by investigating the consecutive images. The inter-droplet freezing wave propagation was accelerated via a frozen droplet/area and then propagates through the surface very quickly. Ice bridging was also seen for the frost propagation. However, the maximum freezing front propagation velocity was found for Al surfaces at 60% RH. At 40% RH, the Al surface required approximately 10 ± 1 minutes to freeze while the Al-H surface delay freezing until 15 ± 1 minutes. This is due to a slow rate of nucleation and also increased rate of coalescence. At 60% RH, both surface froze faster than 40% RH. The Al surface required 6.5 ± 1 minutes and the Al-H surface froze after 10 ± 1 minutes. The change in freezing kinetics, freezing time, the size of droplets at freezing, and the surface area covered at freezing are all related to the rate of coalescence of droplets. Again, the added thermal resistance of the coating and less water-surface contact area of the droplet to the cooled hydrophobic surface inhibited the growth rate resulting the freezing delay.
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Zuhr, R. A., and T. E. Haynes. "Oriented Aluminum Films on Silicon by Direct Ion Beam Deposition." In The Microphysics of Surfaces: Beam-Induced Processes. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/msbip.1991.wc5.

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The formation of metal films on Si at low temperatures is of fundamental interest in thin film physics, as well as a key step in the processing of integrated circuits for microelectronics. If grain size and uniformity could be controlled in the Al metallization used in semiconductor manufacturing, the reliability of such conductors, particularly during thermal cycling, could be greatly improved. One possible way to achieve such control is through the introduction of energy in the form of energetic ions during film growth. [1] The Al on Si system is especially interesting, not only because Al is presently the conductor of choice for microelectronics fabrication, but also because the system exhibits unusual interface properties. [2] It has been demonstrated that oriented crystalline Al films can be grown on Si( 111) and Si(100) surfaces at room temperature by the technique of ionized cluster beam deposition (ICB), even though there is a large mismatch in the size of the respective lattices (25%). [3,4] It is important to determine whether similar oriented growth can be achieved by other thin film deposition techniques and to understand the significant deposition parameters. In this paper we will study the formation of oriented Al films on Si by direct deposition from a low-energy mass-analyzed ion beam.
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Marcano, G., V. García, and H. Galindo. "Morphological, compositional and FT-IR studies in aluminum doped hydrogenated amorphous germanium thin films." In The 8th Latin American congress on surface science: Surfaces , vacuum, and their applications. AIP, 1996. http://dx.doi.org/10.1063/1.51113.

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Hillard, G., and Boris Vayner. "Spacecraft charging effects on anodized aluminum surfaces." In 35th Intersociety Energy Conversion Engineering Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-2810.

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Mattar, Taha, Ehab Abdel Rahman, Ahmed Abdel-Aziz, and Haytham El-Gazzar. "Development of Nano-Structured Aluminum Surfaces by LSM." In ASME 2008 2nd Multifunctional Nanocomposites and Nanomaterials International Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/mn2008-47059.

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Aluminum is one of most common metals in all advanced and modern scientific and technological applications including electrical, electronic, chemical, engineering, energy and medical fields. The performance of aluminum alloys determines to large extent the quality and economic status of the different processes. Aluminum surface structure determine its performance where nano sized grains and layer can improve aluminum properties and performance. In this work, the improvement of aluminum surface structure and formation of nano structured surface grains by laser surface melting (LSM) using Nd-YAG laser under argon atmosphere was investigated. Different power and scanning speed were applied. The physical and chemical properties of the produced surfaces were examined. SEM, EDX and XRD analyses were performed and were correlated to hardness results. Corrosion resistance of the treated surface was investigated to evaluate their performance in aggressive media and chemical and medical applications. From the obtained data it can be concluded that Nd-YAG laser surface melting of aluminum results in formation of 750 micron nano-structured surface layer. Adjustment of LSM parameters could produce 100 nm grains or less. The obtained results showed also that LSM under argon can eliminate the formation of Al2O3 surface layer which may deteriorates the performance in certain applications. Surface layer rich in AlN is formed upon LSM. It was concluded also that corrosion resistance of the treated aluminum surfaces was improved to large extent by LSM.
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Mardilovich, Peter, Dmitri Routkevitch, and Alexander Govyadinov. "New Approach for Surface Microstructuring." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1069.

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Abstract A new approach for microstructuring of aluminum and alumina surfaces based on localized anodization of aluminum is described. It is based on the self-organized equilibrium at the metal/oxide interface and dynamic interactions between individual oxide growth sites. Hexagonal and square closed-packed arrays of hemispherical and pyramidal features from alumina and aluminum on the micrometer scale were prepared. Potential applications of such microstructured surfaces are discussed.
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Rodin, Aleksej M., Oleksiy Myronyuk, Denys Baklan, and Egidijus Vanagas. "Wetting of Femtosecond Laser Textured Hydrophobized Aluminum Surfaces." In Advanced Solid State Lasers. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/assl.2022.jm4a.20.

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The wetting properties of aluminum surfaces with micro- and nanopatterns textured by a femtosecond laser and hydrophobized with alkoxysilanes to liquids with a surface tension below 72.1 mN/m are considered.
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Reports on the topic "Aluminum – Surfaces"

1

Yates, John T., and Jr. Novel Corrosion Inhibition Methods for Aluminum Surfaces. Fort Belvoir, VA: Defense Technical Information Center, May 2002. http://dx.doi.org/10.21236/ada402536.

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Buchheit, R. G., L. M. Maestas, D. C. McIntyre, R. W. Stinnett, and J. B. Greenly. Pulsed ion beam surface treatment for preparing rapidly solidified corrosion resistant steel and aluminum surfaces. Office of Scientific and Technical Information (OSTI), March 1995. http://dx.doi.org/10.2172/28378.

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Ruschau. L51961 Coating Compatibility at Thermite Welds and Keyhole Excavations. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), December 2002. http://dx.doi.org/10.55274/r0010247.

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Patching and repairing high performance pipeline coatings requires a high performance repair material to ensure the integrity of the coating system. The application conditions are not optimized as they are during plant applications, so it is imperative that repair coatings applied to mainline coatings will adhere to all coated surfaces so that resources can be focused on optimizing application methods. Compatibility of repair coatings applied to thermite weld components may be inadequate for optimum field performance. When combined with the limiting factors of keyhole excavations it is important to use coatings which are not only compatible with the thermite welds but also are suitable for the keyhole application procedure. A series of 14 pipeline repair coatings were evaluated for their compatibility with the components of a thermite weld. Chemical compatibility was determined in terms of adhesion with the thermite weld individual components: polyethylene wire insulation, polyvinylchloride wire insulation, copper wire, steel, and copper/aluminum thermite alloy. The same coatings were evaluated for their suitability for application by keyhole excavation procedures. A keyhole excavation was simulated using a scaffold over filled soil boxes (dry soil) containing buried pipe sections, and each of the repair coatings was applied by a commercial keyhole excavation company. The ease of application and general suitability was rated. After backfilling and aging for six months, the samples were removed from the soil boxes and the coatings evaluated.
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Le Pimpec, F. Electron Conditioning of Technical Aluminium Surfaces. Office of Scientific and Technical Information (OSTI), September 2004. http://dx.doi.org/10.2172/833105.

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Knobbe, Edward T. Sol-Gel Derived Surface Treatments for Aircraft Aluminum Alloys. Fort Belvoir, VA: Defense Technical Information Center, March 2002. http://dx.doi.org/10.21236/ada405721.

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Geoghegan, Patrick, Adrian Sabau, Eckhard Groll, Justin Weibel, and Haotian Liu. Surface Preparation Techniques for Adhesive Bonding of Aluminum and Copper. Office of Scientific and Technical Information (OSTI), April 2017. http://dx.doi.org/10.2172/1822107.

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Olsen. PR-179-10203-R01 Characterization of Oxidation Catalyst Performance - VOCs and Temperature Variation. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), June 2012. http://dx.doi.org/10.55274/r0010753.

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Oxidation catalysts are typically specified to reduce carbon monoxide (CO), Hazardous Air Pollutants (HAPs) and/or Volatile Organic Compounds (VOCs) from lean-burn engines. The application of catalysts to HAPs and VOC destruction is more recent, so greater effort has been placed on optimizing for CO oxidation than HAPs or VOC oxidation. In general, the catalysts consist of a porous, high surface area -alumina carrier material on a ceramic (typically cordierite) or stainless steel substrate. Although the alumina has some effectiveness in oxidation at high temperature, its primary role here is to provide a high surface area support for a well dispersed layer of platinum (Pt) and/or palladium (Pd) which provides numerous catalytic sites for oxidation activity. This work extends the current knowledge-base for application of oxidation catalysts in three areas: (1) species specific removal efficiencies, (2) temperature dependence, and (3) space velocity.
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Strongin, D. R. Surface science and catalytic studies on the effects of aluminium oxide and potassium on ammonia synthesis over iron single crystal surfaces. Office of Scientific and Technical Information (OSTI), June 1988. http://dx.doi.org/10.2172/6161504.

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Mazza, James J., Jason B. Avram, and Ronald J. Kuhbander. Grit-Blast/Silane (GBS) Aluminum Surface Preparation for Structural Adhesive Bonding. Fort Belvoir, VA: Defense Technical Information Center, April 2003. http://dx.doi.org/10.21236/ada415239.

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Le Pimpec, F. Electron Conditioning of Technical Aluminium Surfaces: Effect on the Secondary Electron Yield. Office of Scientific and Technical Information (OSTI), December 2004. http://dx.doi.org/10.2172/839813.

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