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Relevant bibliographies by topics / Selected area electron diffraction

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Academic literature on the topic 'Selected area electron diffraction'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Selected area electron diffraction"

1

Turner, Shirley, Vicky L. Karen, and David S. Bright. "Phase Identification by Selected Area Electron Diffraction." Microscopy and Microanalysis 9, S02 (2003): 862–63. http://dx.doi.org/10.1017/s1431927603444310.

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Benner, G., J. Bihr, and E. Weimer. "Advantages of Koehler illumination for selected area diffraction." Proceedings, annual meeting, Electron Microscopy Society of America 49 (August 1991): 1008–9. http://dx.doi.org/10.1017/s0424820100089354.

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The advantages of Koehler illumination for imaging are well known. This new mode of illumination in the Transmission Electron Microscope (TEM), however, provides advantageous results for all modes of operation of a TEM, in particular for Selected Area (SA) diffraction.In a conventional TEM, the last condenser lens is strongly excited (coherent illumination) to obtain selected area diffraction. The size of the diffraction spots is determined by the demagnified image of the electron source (cross-over) in the back focal plane of the objective lens. Since a large area of the specimen is illuminat

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Tivol, William F. "Selected Area Electron Diffraction and its Use in Structure Determination." Microscopy Today 18, no. 4 (2010): 22–28. http://dx.doi.org/10.1017/s1551929510000441.

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One of the capabilities of electron microscopes is to obtain diffraction patterns, which can be analyzed to give information about the structure of the specimen. This brief review discusses some of the technical considerations in using electron diffraction patterns for structural analysis. The technique of selected-area electron diffraction uses diffraction obtained from a limited region of the specimen.

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Delong, A., and V. Kolařík. "Selected area low energy electron diffraction and microscopy." Ultramicroscopy 17, no. 1 (1985): 67–72. http://dx.doi.org/10.1016/0304-3991(85)90178-0.

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Walck, Scott D. "Recipes for Consistent Selected Area Electron Diffraction Results: Part 3: Electron Diffraction Analysis Software." Microscopy Today 28, no. 4 (2020): 46–53. http://dx.doi.org/10.1017/s1551929520001066.

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YAMASAKI, Jun, and Nobuo TANAKA. "Electron Diffractive Imaging with Atomic Resolution by Using Selected Area Nano Diffraction." Nihon Kessho Gakkaishi 53, no. 5 (2011): 346–52. http://dx.doi.org/10.5940/jcrsj.53.346.

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Yamasaki, J., K. Ohta, S. Morishita, and N. Tanaka. "Quantitative phase imaging of electron waves using selected-area diffraction." Applied Physics Letters 101, no. 23 (2012): 234105. http://dx.doi.org/10.1063/1.4769457.

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Walck, S. D., and P. Ruzakowski-Athey. "Analysis of Selected Area Diffraction Patterns With Winjade." Microscopy and Microanalysis 4, S2 (1998): 342–43. http://dx.doi.org/10.1017/s1431927600021838.

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The analysis of Selected Area Diffraction (SAD) patterns that are collected from a single phase material having sufficient crystallites to provide continuous rings is relatively straightforward. However, when this condition is not met and there may be several phases present having rings of a spotty nature, the pattern is complex and can be quite difficult to analyze manually because of the vast number of discrete spots. WinJade from MDI is an X-ray diffraction (XRD) analysis program with an Electron Diffraction Program Module (EDPM) that can be used to aid in the analysis of SAD patterns. The

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Woodward, David I., and Ian M. Reaney. "Electron diffraction of tilted perovskites." Acta Crystallographica Section B Structural Science 61, no. 4 (2005): 387–99. http://dx.doi.org/10.1107/s0108768105015521.

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Simulations of electron diffraction patterns for each of the known perovskite tilt systems have been performed. The conditions for the appearance of superlattice reflections arising from rotations of the octahedra are modified to take into account the effects of different tilt systems for kinematical diffraction. The use of selected-area electron diffraction as a tool for perovskite structure determination is reviewed and examples are included.

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Russ, J. C., T. Taguchi, P. M. Peters, E. Chatfield, J. C. Russ, and W. D. Stewart. "Automatic Computer Measurement of Selected Area Electron Diffraction Patterns from Asbestos Minerals." Advances in X-ray Analysis 32 (1988): 593–600. http://dx.doi.org/10.1154/s0376030800020954.

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Conventional selected area diffraction patterns as obtained in the TEM present difficulties for identification of materials such as asbestifonn minerals, although diffraction data is considered to be one of the preferred methods for making this identification. The preferred orientation of the fibers in each field of measurement, and the spotty patterns that are obtained, do not readily lend themselves to measurement of the integrated intensity values for each dspacing, and even the d-spacings may be hard to determine precisely because the true center location for the broken rings requires esti

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Dissertations / Theses on the topic "Selected area electron diffraction"

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Himel, Md Sakhawat Hossain. "The Magnetic and Magnetocaloric Properties of Selected Al1.2Fe2B2 Derivative Intermetallic Systems." Miami University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=miami1595949827794125.

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Rufe, Eric. "Assessing the Reactive Surface Area of Phlogopite during Acid Dissolution: An Atomic Force Microscopy, X-ray Photoelectron Spectroscopy, and Low Energy Electron Diffraction Study." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/31837.

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The behavior during dissolution of edge and basal surfaces of the mica phlogopite were examined using in situ atomic force microscopy (AFM), x-ray photoelectron spectroscopy (XPS) and low-energy electron diffraction (LEED) in an attempt to characterize the reactive surface area during dissolution. Mica minerals are the ideal material for this study because they offer a high degree of structural anisotropy. Therefore surfaces with different structures are easily identified. Dissolution is shown to proceed preferentially by removal of material from {hk0} edges. Dissolution rates were calculat

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Norris, Andrew George. "Alkali metal and simple gas atom adsorption and coadsorption on transition metal surfaces." Thesis, University of Liverpool, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366717.

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Domke, Andreas. "Chemistry and physics of diamond surfaces." Thesis, University of Liverpool, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367131.

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This thesis is concerned with the chemistry and physics of C(100) surfaces of diamond. The polished and cleaned C(100) surface is examined by surface microscopy (Atomic-force Microscopy), electron diffraction (Low-energy Electron Diffraction) and photoemission (X-ray Photoelectron Spectroscopy and Ultra-violet Photoelectron Spectroscopy). Results are presented on the presence of oxygen, nitrogen and hydrogen/deuterium on the C(100) surface. Finally, the valence band structure of diamond is probed by angle-resolved photoemission. We have confirmed by AFM that the grooves from the soft polishing

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Scantlebury, Matthew John. "Coadsorption of potassium and nitrogen on the Ni(100) surface." Thesis, University of Liverpool, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365913.

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Bahfenne, Silmarilly. "Single crystal Raman spectroscopy of selected arsenite, antimonite and hydroxyantimonate minerals." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/46234/1/Silmarilly_Bahfenne_Thesis.pdf.

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This thesis concentrates on the characterisation of selected arsenite, antimonite, and hydroxyantimonate minerals based on their vibrational spectra. A number of natural arsenite and antimonite minerals were studied by single crystal Raman spectroscopy in order to determine the contribution of bridging and terminal oxygen atoms to the vibrational spectra. A series of natural hydrated antimonate minerals was also compared and contrasted using single crystal Raman spectroscopy to determine the contribution of the isolated antimonate ion. The single crystal data allows each band in the spectrum t

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Agbo, Sunday A. "Phase Transitions and Associated Magnetic and Transport Properties in Selected NI-MN-GA based Heusler Alloys." Miami University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=miami1595644731616343.

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Cocks, Ian David. "Titanium dioxide surfaces and interfaces studied using ESDIAD, LEED and STM." Thesis, University of Liverpool, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366351.

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Zeybek, Orhan. "Surface studies of magnetic thin films." Thesis, University of Liverpool, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367247.

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Zhao, Yanyan. "Synthesis and characterisation of metal (Fe, Ga, Y) doped alumina and gallium oxide nanostructures." Thesis, Queensland University of Technology, 2008. https://eprints.qut.edu.au/20529/1/Yanyan_Zhao_Thesis.pdf.

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It is well known that nanostructures possess unique electronic, optical, magnetic, ferroelectric and piezoelectric properties that are often superior to traditional bulk materials. In particular, one dimensional (1D) nanostructured inorganic materials including nanofibres, nanotubes and nanobelts have attracted considerable attention due to their distinctive geometries, novel physical and chemical properties, combined effects and their applications to numerous areas. Metal ion doping is a promising technique which can be utilized to control the properties of materials by intentionally introduc

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Books on the topic "Selected area electron diffraction"

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István, Hargittai. Stereochemical Applications of Gas-Phase Electron Diffraction: Structural Information for Selected Classes of Compounds (Methods in Stereochemical Analysis). Vch Pub, 1988.

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István, Hargittai. Stereochemical Applications of Gasphase Electron Diffraction, Parts A and B: Structural Information for Selected Classes of Compounds (Methods in stereochemical analysis). Vch Pub, 1988.

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Vang, R. T., S. Wendt, and F. Besenbacher. Nanocatalysis. Edited by A. V. Narlikar and Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533060.013.12.

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This article discusses nanocatalysis and especially the interrelation between the structure, composition and properties of catalysts. It begins with a review of techniques that have been developed and employed for surface characterization, which can be divided intothree main areas: spectroscopy, diffraction, and microscopy. After describing the nanocharacterization tools, the article considers the theoretical underpinnings of catalysts and catalytic processes. It also examines how detailed atomic-scale insight into elementary surface processes relevant to catalysis can be obtained mainly by me

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Book chapters on the topic "Selected area electron diffraction"

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Steeds, John W., and J. P. Morniroli. "Chapter 2. SELECTED AREA ELECTRON DIFFRACTION (SAED) and CONVERGENT BEAM ELECTRON DIFFRACTION (CBED)." In Minerals and Reactions at the Atomic Scale, edited by Peter R. Buseck. De Gruyter, 1992. http://dx.doi.org/10.1515/9781501509735-006.

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Russ, J. C., T. Taguchi, P. M. Peters, E. Chatfield, J. C. Russ, and W. D. Stewart. "Automatic Computer Measurement of Selected Area Electron Diffraction Patterns from Asbestos Minerals." In Advances in X-Ray Analysis. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-9110-5_73.

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Li, Xiangyu, Baoji Ma, Bin Liu, Jinkui Cao, and Liangliang Li. "Microstructure of AZ31B Alloy Induced by Laser Shock." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7887-4_63.

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Abstract Magnesium alloys have great potential in the field of biomedical degradable materials. However, their poor mechanical and corrosion resistance properties limit their applications. In this study, the AZ31B alloy with a compact hexagonal close-packed (HCP) crystal structure was selected as the material, as it tends to undergo twinning deformation rather than dislocation slip during plastic deformation due to its low stacking fault energy. The microstructures before and after LSP treatment were characterized using optical microscopy (OM), electron backscatter diffraction (EBSD), and X-ra

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Puripunyavanich, Vichai, Penjan Sutthanukul, Rakchai Kurubunjerdjit, and Prartana Kewsuwan. "Anthracnose resistance induction in chilli by electron beam irradiation." In Mutation breeding, genetic diversity and crop adaptation to climate change. CABI, 2021. http://dx.doi.org/10.1079/9781789249095.0017.

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Abstract Chilli seeds were irradiated with 0.3 kGy at 8 MeV from the electron beam source at the Thailand Institute of Nuclear Technology. M<sub>1</sub> seeds were planted in Sukhothai Horticultural Research Centre and from these the line CA1131 was selected as suitable for growing in this area. Thirty anthracnose-resistant M<sub>2</sub> chilli plants were selected after the appearance of anthracnose disease, caused by Colletotrichum gloeosporioides, in Sukhothai province from an initial M<sub>1</sub> mutant population of 123 individuals. However, chilli fruits from 17 plants showed resistance

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Ullah, Rizwan, Eric Fangnon, and Juha Huuki. "Effect of Ultrasonic Burnishing Parameters on Burnished-Surface Quality of Stainless Steel After Heat Treatment." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-18326-3_4.

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AbstractUltrasonic burnishing induces beneficial compressive stresses and high surface quality in components with contact as a functional requirement. It was observed in previous work that some burnishing parameters can hinder burnishability of stainless steels. In this research tangential misalignment angles (TMA) for burnishing were varied considering as-supplied and heat-treated stainless steel. Properties such as surface hardness and surface roughness were measured after burnishing process. Electron Backscatter Diffraction was performed to characterize microstructure using Matlab (MTEX) to

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Thümmler, Martin, Milan Dopita, Mykhaylo Motylenko, Anton Salomon, Erica Brendler, and David Rafaja. "Temperature-Induced Changes in the Microstructure of the Metal Melt Filters and Non-metallic Inclusions." In Multifunctional Ceramic Filter Systems for Metal Melt Filtration. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-40930-1_6.

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AbstractThe functionalization of ceramic foam filters aims typically at the enhancement of the thermal shock resistance and the reactivity of the filters with respect to specific inclusions and impurities. For this purpose, thermodynamically metastable phases are utilized that have a strongly defective crystal structure and/or nanocrystalline character. Such phases possess frequently better or even unique properties in comparison with their thermodynamically stable counterparts. However, the stability of metastable or defect-rich phases is usually impaired by microstructural changes, which occ

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Schoß, Johannes Paul, Andreas Keßler, Claudia Dommaschk, Michal Szucki, and Gotthard Wolf. "Precipitation of Iron-Containing Intermetallic Phases from Aluminum Alloys by Metal Melt Filtration." In Multifunctional Ceramic Filter Systems for Metal Melt Filtration. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-40930-1_31.

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AbstractIron (Fe) provides a non-reactive dissolved impurity in aluminum (Al) alloys, which forms a coarse, plate-shaped intermetallic β-phase during solidification. This β-phase is detrimental to the mechanical and casting properties. Therefore, the reduction of Fe by binding in Fe-containing intermetal-lics (sludge phase) was realized via a two-stage procedure, which consisted of conditioning of the melt by manganese (Mn) and chromium (Cr) with subsequent-ly applied metal melt filtration. For this purpose, the formation characteristics of the Fe-rich intermetallic phases were investigated re

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Williams, D. B., and K. S. Vecchio. "Electron Diffraction Images." In Images Of Materials. Oxford University PressNew York, NY, 1992. http://dx.doi.org/10.1093/oso/9780195058567.003.0006.

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Abstract Several classical imaging processes, such as transmission light and electron microscopy, make use of a lens-the objective lens-to gather a fraction of the radiation scattered by the sample. The sample acts as the object of the lens, which, as shown in Figure 6.1, recreates an image of the sample in the image plane of the lens (CD). Subsequent. lenses magnify this image and project it onto an appropriate imaging surface, such as the retina (for a light microscope), a fluorescent screen (in an electron microscope), or any photographic/recording medium. Between the objective lens and the

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Gjønnes, J. "Disorder and Defect Scattering, Thermal Diffuse Scattering, Amorphous Material." In Electron Diffraction Techniques. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198557333.003.0002.

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Abstract Most properties and virtually all transformations in solids are strongly influenced by defects. Hence the characterization of defect structures has been a challenge to structure research ever since models of various crystalline defects were advanced in the 1930s. Optical microscopy, spectroscopy and in particular x-ray diffraction contributed significantly to insight in the nature of defects, notably the statistical description of short range order and the relation of crystal structures to transformations. But it was through the application of electron microscopy techniques, at first

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Peng, L. M., S. L. Dudarev, and M. J. Whelan. "crystal And Diffraction Symmetry." In High-Energy Electron Diffraction And Microscopy. Oxford University PressOxford, 2004. http://dx.doi.org/10.1093/oso/9780198500742.003.0009.

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Abstract Convergent-beam electron diffraction (CBED) provides the most convenient way of determining the symmetry of crystalline materials, and this method has acquired great popularity in the electron diffraction community. In an electron microscope CBED patterns are obtained using a method analogous to the case of critical illumination in optics, where the electron source is (approximately) conjugate to the specimen. The main advantages of the CBED method resulting from the use of a small electron probe (10 A– 100 A) are: (1) there is negligible thickness variation within the illuminated reg

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Conference papers on the topic "Selected area electron diffraction"

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Huczkowski, P., A. Chyrkin, L. Singheiser, W. Nowak, and W. J. Quadakkers. "Corrosion Behavior of Candidate Heat Exchanger Materials in Oxidizing and Reducing Gases, Relevant to Oxyfuel Combustion." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07391.

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Abstract The so-called oxyfuel process is frequently considered as a promising technology for CO2 capture from the exhaust gas in fossil fuel fired power plants. In the present paper, the oxidation behavior of potentially suitable construction materials for heat exchanging components in coal fired power plants was studied at 650°C. The selected materials (martensitic steels, austenitic steels and a Ni-base alloy) were exposed in a simulated atmosphere typical for oxyfuel combustion and the results were compared with the behavior in a test gas simulating air-firing flue gas. Additionally a set

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Singleton, Brooke, Shehab Bassiouni, Sean Vinik, Fiona Follet, and Vilupanur Ravi. "Graphene-Based Coatings on Stainless Steels for Proton Exchange Membrane Fuel Cell Bipolar Plates." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13533.

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Abstract Proton exchange membrane fuel cells (PEMFCs) are clean and efficient power resources. They only emit water vapor, thereby offering a viable approach to reduce greenhouse gas emissions. To make these power sources cost competitive, multiple approaches can be employed. A crucial component of these fuel cells, i.e. the graphite separator plates, are expensive and prone to fracture. While graphite has excellent corrosion resistance, its porous and brittle nature makes it difficult to shape into thin sheets. Moreover, graphite separator plates can account for 60% of the cost of the fuel ce

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Sousa, I., A. Kuznetsova, T. Galvão, et al. "The Use of Nanostructured Materials Loaded with pH Indicating Molecules for Corrosion Sensing." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-09666.

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Abstract In this work we report the synthesis of different materials for immobilization of well-known pH indicators, to be used as additives in coatings for corrosion sensing: inorganic materials such as layered double hydroxides, silica nanocapsules and polymeric microcapsules (chitosan). The materials obtained were characterized by X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopies. Furthermore, the release profile of the obtained materials was performed using UV-Visible spectrophotometry under conditions relevant for the onset of corrosion processe

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Ba, Djiby, Vincent Vignal, Olivier Heintz, Frédéric Herbst, and Sandra Le Manchet. "Role of the Grain Orientation Spread in the Pitting Corrosion Resistance of Duplex Stainless Steels." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4028.

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Abstract Duplex Stainless Steels (DSS) are highly important engineering materials due to their generally high corrosion resistance combined with high strength and moderate alloy cost (lower nickel and molybdenum content) compared to standard austenitic grades. They are widely used in various industrial sectors, such as oil & gas (pipes and storage tanks), desalination (evaporators and pumps) and pulp and paper (digester and bleaching reactors) industries. In this paper, the influence of the Grain Orientation Spread (GOS) on the corrosion resistance of DSS was investigated in sodium chlorid

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Dutilleul, Thomas, Robert Widdison, James Connell, John Crossley, Mark Albert, and David Gandy. "Complex Linear Welding Development for Thick Section Electron Beam Welding for Pressure Vessel Applications." In AM-EPRI 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.am-epri-2024p0183.

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Abstract As part of a Department of Energy (DOE) funded program assessing advanced manufacturing techniques for Small Modular Reactor (SMR) applications, the Nuclear Advanced Manufacturing Research Centre (AMRC) and the Electric Power Research Institute (EPRI) have been developing Electron Beam Welding (EBW) parameters and procedures based upon SA508 Grade 3 Class 1 base material. The transition shell, a complex component connecting the lower assembly to the upper assembly is a shell that flares up with varying thicknesses across its section. The component due to its geometry could be built by

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Ziomek-Moroz, M. "Corrosion Behavior of NI-Based Alloys in Coal Synthetic Gas Atmosphere." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09269.

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Abstract The product of coal gasification is syngas, a mixture of hydrogen and carbon monoxide, in which the selected materials may operate. Understanding alloys performance in CO-rich atmospheres is important toward the development of coal gasification systems. This paper describes the corrosion behavior of Alloy 242 and Alloy 230 after exposure to a CO-rich atmosphere at 750°C. Chemical composition of the gaseous environment was determined by gas chromatography (GC). The surfaces of the corroded samples were investigated by scanning electron microscopy (SEM) equipped with microchemical analy

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Liu, Qingyang, Yan Yan, Afrooz Barnoush, Mohammed Tariq, and Hanan Farhat. "Enhanced Mechanical Properties and Hydrogen Embrittlement Resistance of LPBF Alloy 718 by Optimizing Printing Parameters." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00093.

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Abstract In this study, we investigate the effect of printing parameters on mechanical properties of UNS N07718 alloy and the optimized printing parameters are used to print AM samples. We also investigated the effect of hydrogen on additively manufactured (AM) alloy 718 and compared it with conventionally manufactured (CM) 718 samples. Electrochemical hydrogen charging was performed on both AM and CM 718 samples to achieve comparable hydrogen content in the samples, which was further measured by thermal desorption spectroscopy (TDS). Identically charged samples were mechanically tested by ten

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Lunn, Kentaro, Nicholas Ury, Karla Sanchez, et al. "Corrosion Studies of Nickel-Based Alloys in Chloride Salts for Molten Salt Reactors." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19567.

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Abstract Molten Salt Reactors (MSRs) are a promising alternative to the current generation of light-water reactors. However, the corrosivity of molten salts is a significant issue that must be understood before MSRs become commercial. Ni-base superalloys are promising candidate materials that can provide corrosion resistance in molten salt environments and serve as reliable structural materials for reactor operation. In this study, immersion studies of three different Ni-base superalloys were conducted in ternary chloride salts at 750°C. Post-test characterization included mass change per unit

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Smith, Kevin L., Armen Kutyan, Shaghik A. Abolian, Tom F. Krenek, Stephanie A. Salas, and Vilupanur A. Ravi. "Aluminide Coatings on 304 Stainless Steel." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02865.

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Abstract USA Type 304 stainless steel coupons were aluminized at 650, 750 and 850°C for coating times in the 1-25 hour range via halide activated pack cementation. Mass gains per unit area and coating thicknesses were plotted as a function of time. Empirical rate equations and the corresponding parabolic rate constants were obtained for the kinetics of aluminization for these two metrics, i.e., mass change and thickness of coating. The Vickers micro-hardness values of the coated regions ranged between 700-1114 HV. Coating surface phases were identified using X-ray diffraction analysis as Al5Fe

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Steidel, Kourtney P., Jesus A. Roman, Christopher G. Murphy, and Vilupanur A. Ravi. "The Effect of Process Parameters on Pack Aluminizing of UNS S30400 Stainless Steel." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16946.

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Abstract Aluminide coatings were applied to UNS 30400 stainless steel coupons using the halide activated pack cementation process. The aluminizing process was studied at two different temperatures with two different activator salts - aluminum fluoride and aluminum chloride. The effect of process conditions, i.e., pack composition, pack size, process temperature, and activator salt type, on the coating characteristics (microstructure, thickness, hardness, etc.) was investigated using different metrics, including mass and thickness changes, microhardness, microscopy, and surface topography. Mass

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Reports on the topic "Selected area electron diffraction"

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Caritat, P. de, and U. Troitzsch. Towards a regolith mineralogy map of the Australian continent: a feasibility study in the Darling-Curnamona-Delamerian region. Geoscience Australia, 2021. http://dx.doi.org/10.11636/record.2021.035.

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Bulk quantitative mineralogy of regolith is a useful indicator of lithological precursor (protolith), degree of weathering, and soil properties affecting various potential landuse decisions. To date, no national-scale maps of regolith mineralogy are available in Australia. Catchment outlet sediments collected over 80% of the continent as part of the National Geochemical Survey of Australia (NGSA) afford a unique opportunity to rapidly and cost-effectively determine regolith mineralogy using the archived sample material. This report releases mineralogical data and metadata obtained as part of a

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Phisalaphong, Muenduen. Development and characterization of activated carbon derived from bacterial cellulose. Chulalongkorn University, 2017. https://doi.org/10.58837/chula.res.2017.66.

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Bacterial cellulose (BC) was investigated as a novel material for preparing activated carbons. BC was dried by heating and it was carbonized with a chemical activation process using phosphoric acid (H₃PO₄) as an activating agent at different temperatures (400, 500 and 600 °C). The properties of the activated carbons were characterized such as chemical property, structure, pore size, thermal property by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), N₂ -physisorption (BET), scanning electron microscopy (SEM) , thermal gravimetric (TGA). The obtained BC activated carbo

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Phisalaphong, Muenduen. Development and characterization of activated carbon derived from bacterial cellulose (Year 2). Faculty of Engineering, Chulalongkorn University, 2018. https://doi.org/10.58837/chula.res.2018.82.

Full text

Abstract:

Bacterial cellulose (BC) was investigated as a novel material for preparing activated carbons. BC was dried by heating and it was carbonized with a chemical activation process using phosphoric acid (H₃PO₄) as an activating agent at different temperatures (400, 500 and 600 °C). The properties of the activated carbons were characterized such as chemical property, structure, pore size, thermal property by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), N₂ -physisorption (BET), scanning electron microscopy (SEM) , thermal gravimetric (TGA). The obtained BC activated carbo

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4

Schofield, Ian S., Paul L. Brown, Mark J. Logsdon, and Matthew P. Wickham. Waste Rock Dump Characterization Studies at the Bingham Canyon Mine. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/mp-179.

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Abstract:

The Bingham Canyon Mine, located near Salt Lake City, Utah, is surrounded by more than 6 billion tons of waste rock developed over the open cut mining history from 1903 to present; the surface area of the waste rock is approximately 5000 acres. Waste rock dumps have a thickness of more than 1 200 feet from crest to toe. From 1930 to 2000, selected portions of the waste rock dumps were commercially leached using a ferric-sulfate-based lixiviant to extract copper, whereas other portions have only received meteoric leaching. From 2011 to present, Rio Tinto Kennecott has studied the evolution and

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