Готові списки джерел за темами / 3D Electron diffraction

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Добірка наукової літератури з теми "3D Electron diffraction"

Автор: Grafiati

Опубліковано: 11 січня 2025

Оновлено: 25 липня 2025

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Статті в журналах з теми "3D Electron diffraction"

Gemmi, Mauro, and Arianna E. Lanza. "3D electron diffraction techniques." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 75, no. 4 (2019): 495–504. http://dx.doi.org/10.1107/s2052520619007510.

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3D electron diffraction is an emerging technique for the structural analysis of nanocrystals. The challenges that 3D electron diffraction has to face for providing reliable data for structure solution and the different ways of overcoming these challenges are described. The route from zone axis patterns towards 3D electron diffraction techniques such as precession-assisted electron diffraction tomography, rotation electron diffraction and continuous rotation is also discussed. Finally, the advantages of the new hybrid detectors with high sensitivity and fast readout are demonstrated with a proo

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Cho, Jungyoun, and Xiaodong Zou. "Revealing structural details with 3D electron diffraction/microcrystal electron diffraction." Acta Crystallographica Section A Foundations and Advances 78, a1 (2022): a217. http://dx.doi.org/10.1107/s2053273322097820.

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Beanland, R. "3D electron diffraction goes multipolar." IUCrJ 11, no. 3 (2024): 277–78. http://dx.doi.org/10.1107/s2052252524003774.

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Schröder, Rasmus R., and Christoph Burmester. "Improvements in electron diffraction of frozen hydrated crystals by energy filtering and large-area single-electron detection." Proceedings, annual meeting, Electron Microscopy Society of America 51 (August 1, 1993): 666–67. http://dx.doi.org/10.1017/s0424820100149167.

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Diffraction patterns of 3D protein crystals embedded in vitrious ice are critical to record. Inelastically scattered electrons almost completely superimpose the diffraction pattern of crystals if the thickness of the crystal is higher than the mean free path of electrons in the specimen. Figure 1 shows such an example of an unfiltered electron diffraction pattern from a frozen hydrated 3D catalase crystal. However, for thin 2D crystals electron diffraction has been the state of the art method to determine the Fourier amplitudes for reconstructions to atomic level, and in one case the possibili

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Schmidt, Ella Mara, Yasar Krysiak, Paul Benjamin Klar, Lukas Palatinus, Reinhard B. Neder та Andrew L. Goodwin. "3D-ΔPDF from electron diffraction data". Acta Crystallographica Section A Foundations and Advances 77, a2 (2021): C80. http://dx.doi.org/10.1107/s0108767321095994.

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Gemmi, Mauro, Enrico Mugnaioli, Tatiana E. Gorelik, et al. "3D Electron Diffraction: The Nanocrystallography Revolution." ACS Central Science 5, no. 8 (2019): 1315–29. http://dx.doi.org/10.1021/acscentsci.9b00394.

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Mei, Kaili, Kejia Zhang, Jungu Xu, and Zhengyang Zhou. "The Application of 3D-ED to Distinguish the Superstructure of Sr1.2Ca0.8Nb2O7 Ignored in SC-XRD." Crystals 13, no. 6 (2023): 924. http://dx.doi.org/10.3390/cryst13060924.

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Compared to X-rays, electrons have stronger interactions with matter. In electron diffraction, the low-order structure factors are sensitive to subtle changes in the arrangement of valence electrons around atoms when the scattering vector is smaller than the critical scattering vector. Therefore, electron diffraction is more advantageous for studying the distribution of atoms in the structure with atomic numbers smaller than that of sulfur. In this work, the crystal structure of Sr1.2Ca0.8Nb2O7 (SCNO-0.8) was analyzed using single-crystal X-ray diffraction (SC-XRD) and three-dimensional electr

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Cho, Jung, Ambarneil Saha, and Matthew Mecklenburg. "Sub-Atomic Resolution Imaging of Crystals by Electron Diffraction." Structural Dynamics 12, no. 2_Supplement (2025): A243. https://doi.org/10.1063/4.0000549.

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Conventional microscope imaging involves a Fourier transform into reciprocal space and the inverse process onto the detector, typically a camera. This direct imaging in transmission electron microscopy (TEM) can achieve resolutions smaller than the Bohr radius, but at the cost of high electron fluxes, such as ∼108 e−/Å2/s (10 pA in a 1 Å diameter probe). New methods such as ptychography can assign phases to the diffracted electrons directly. This imaging produces projections of resolved atomic positions without the need of a corrector, but still requires high electron fluxes, that inhibit acce

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NISHIYAMA, Yusuke. "3D Electron Diffraction and Solid-State NMR." Nihon Kessho Gakkaishi 64, no. 3 (2022): 201–2. http://dx.doi.org/10.5940/jcrsj.64.201.

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Meents, A., V. Hennicke, M. Hachmann, et al. "3D structure determination with MeV electron diffraction." Acta Crystallographica Section A Foundations and Advances 79, a2 (2023): C309. http://dx.doi.org/10.1107/s2053273323093063.

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Більше джерел

Дисертації з теми "3D Electron diffraction"

Wang, Yunchen. "3D Electron Diffraction : Application and Development towards High-quality Structure Determination." Doctoral thesis, Stockholms universitet, Institutionen för material- och miljökemi (MMK), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-147732.

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Electron crystallography has been proven to be effective for structure determination of nano- and micron-sized crystals. In the past few years, 3D electron diffraction (3DED) techniques were used for the structure solution of various types of complex structures such as zeolites, metal-organic frameworks (MOF) and pharmaceutical compounds. However, unlike X-ray crystallography, electron diffraction has not yet become an independent technique for a complete structure determination due to relatively poorer diffraction intensities and often powder X-ray diffraction data are used for structure vali

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Cordero, Oyonarte Erica. "Electrοn crystallοgraphy οf nanοparticles". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMC235.

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Les nanoparticules (NPs) suscitent un grand intérêt en raison de leurs propriétés uniques, ce qui les rend utiles dans différents domaines scientifiques. Comprendre la structure cristallographique des NPs est crucial pour découvrir leurs caractéristiques distinctes et concevoir de nouveaux matériaux. La diffraction des rayons X sur monocristal est utilisée pour la détermination précise de la structure cristalline ; cependant, elle est limitée par la petite taille des NPs. La diffraction des rayons X sur poudre (PXRD) constitue une alternative pour l'identification de phases et la taille moyenn

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Mateescu, Nora-Maria Materials Science &amp Engineering Faculty of Science UNSW. "Development of 3D-EBSD and its application to the study of various deformation and annealing phenomena." Publisher:University of New South Wales. Materials Science & Engineering, 2008. http://handle.unsw.edu.au/1959.4/41541.

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The ability to generate three dimensional (3D) microstructures in solids is of great importance in understanding their true nature, as it eliminates speculation about the spatial distribution of features associated with conventional two dimensional (2D) imaging techniques. There are several recently-developed 3D techniques for determining the spatial distribution of microstructural features, each with a given resolution. There is considerable interest in the development of a specific serial sectioning methodology, termed 3D electron backscatter diffraction (3D-EBSD), which combines a focused i

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Yuan, Hui. "3D morphological and crystallographic analysis of materials with a Focused Ion Beam (FIB)." Thesis, Lyon, INSA, 2014. http://www.theses.fr/2014ISAL0134/document.

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L’objectif principal de ce travail est d’optimise la tomographie par coupe sériée dans un microscope ‘FIB’, en utilisant soit l’imagerie électronique du microscope à balayage (tomographie FIB-MEB), soit la diffraction des électrons rétrodiffusés (tomographie dite EBSD 3D). Dans les 2 cas, des couches successives de l’objet d’étude sont abrasées à l’aide du faisceau ionique, et les images MEB ou EBSD ainsi acquises séquentiellement sont utilisées pour reconstruire le volume du matériau. A cause de différentes sources de perturbation incontrôlées, des dérives sont généralement présentes durant l

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SCHELL, JULIANA. "Investigação de parâmetros hiperfinos dos óxidos semicondutores SnOsub(2) e TiOsub(2) puros e dopados com metais de transição 3d pela espectroscopia de correlação angular gama-gama perturbada." reponame:Repositório Institucional do IPEN, 2015. http://repositorio.ipen.br:8080/xmlui/handle/123456789/23699.

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Submitted by Claudinei Pracidelli (cpracide@ipen.br) on 2015-06-09T18:22:48Z No. of bitstreams: 0<br>Made available in DSpace on 2015-06-09T18:22:49Z (GMT). No. of bitstreams: 0<br>Tese (Doutorado em Tecnologia Nuclear)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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Abdesselam, Kouider. "Exploring In-process lasering to alter microstructure and mechanical response of additive manufactured Ti-6Al-4V." Electronic Thesis or Diss., Institut polytechnique de Paris, 2024. http://www.theses.fr/2024IPPAX140.

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Cette thèse vise à (i) étudier l’impact des traitements thermiques laser (LHTs) sur l’évolution microstructurale pendant le dépôt d’énergie dirigée par laser (LDED) du Ti-6Al-4V, et (ii) corréler ces connaissances avec une analyse microstructurale pour comprendre l’impact des LHTs sur la réponse mécanique. Trois échantillons ont été fabriqués avec une stratégie bidirectionelle à passe unique avecun laser opérant à 300 W : (i) un échantillon de référence (NHT) sans LHTs, et deux soumis à des LHTs à (ii) 100 W (LHT100) et 300 W (LHT300), respectivement, après le dépôt de chaque couche sans ajout

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Passuti, Sara. "Electrοn crystallοgrathy οf nanοdοmains in functiοnal materials". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMC230.

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L’étude des matériaux fonctionnels se concentre de plus en plus sur des échantillonscaractérisés par des nano-domaines (allant de tailles submicroniques à des dizaines denanomètres) en raison de leurs propriétés physiques intéressantes, telles que celles observéesdans les films minces ou les matériaux céramiques. Lorsqu’il faut déterminer des phases inconnuesou obtenir des informations détaillées sur la structure cristalline de ces matériaux, ladiffraction des rayons X et la microscopie électronique à transmission (MET) se heurtent à desdifficultés. Pour résoudre ce problème, une nouvelle tech

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Gérard, Pascale. "Contribution à l'étude magnétostatique des systèmes intermétalliques R(Co1-xNix)5." Grenoble 1, 1992. http://www.theses.fr/1992GRE10041.

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Une etude de l'evolution du magnetisme des electrons 3d dans le systeme y(co#1##xni#x)#5 (entre le fort ferromagnetisme itinerant associe au compose yco#3 et le paramagnetisme de pauli caracteristique du compose yni#5) est effectuee. On montre qu'aux fortes concentrations en nickel, les instabilites du magnetisme s'instaurent de maniere inhomogene, en fonction des environnements locaux. On precise ensuite les anisotropies associees a ce magnetisme. Elles revelent le caractere du magnetisme itinerant du sous-reseau (co#1##xni#x). Une etude de la coercivite magnetique, associee aux defauts d'ech

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Kulik, Victor. "Structure of Bovine Liver Catalase Solved by Electron Diffraction on Multilayered Crystals." Doctoral thesis, 2005. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2005071317.

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The high resolution structure of protein molecules and protein-protein complexes is important to investigate their functions. Today, large 3D or 2D crystals are required to obtain protein structures by X-ray crystallography or conventional Electron Microscopy, respectively. However, production of such crystals of good quality is a solely empirical procedure, which relies on screening numerous crystallization conditions. At the same time, multilayered protein crystals are often a by-product of attempts to grow 3D or 2D crystals and could be obtained more easily. So far, multilayered protein cry

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Staraselski, Yauheni. "On the experimental design of the material microstructures." Thesis, 2014. http://hdl.handle.net/10012/8418.

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The design techniques of the components on the macro level are established in the scientific community, however are far behind from the real material performance limits. To obtain those limits, the deeper understanding of the material structure is required. The methods of a new comonents production through standard alloying are the basis of the modern material science manufacturing. The design of the materials with expected required performance limits is the next conceptual step for the materials scientist. As results, to make this step, the problem of a precise material structure analyses on

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Частини книг з теми "3D Electron diffraction"

Nangia, Ashwini K. "3D Electron Diffraction." In Supramolecular Synthons in Crystal Engineering of Pharmaceutical Properties. CRC Press, 2024. http://dx.doi.org/10.1201/9781003260073-12.

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Abrahams, Jan Pieter, Dilyana Georgieva, Linhua Jiang, and Igor Nederlof. "Electron Diffraction of Protein 3D Nanocrystals." In NATO Science for Peace and Security Series B: Physics and Biophysics. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-5580-2_36.

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Sintay, Stephen D., Michael A. Groeber, and Anthony D. Rollett. "3D Reconstruction of Digital Microstructures." In Electron Backscatter Diffraction in Materials Science. Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-88136-2_10.

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Oleynikov, Peter. "Automated Quantitative 3D Electron Diffraction Rotation Tomography." In NATO Science for Peace and Security Series B: Physics and Biophysics. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-5580-2_30.

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Barton, Nathan R., Joel V. Bernier, Ricardo A. Lebensohn, and Anthony D. Rollett. "Direct 3D Simulation of Plastic Flow from EBSD Data." In Electron Backscatter Diffraction in Materials Science. Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-88136-2_11.

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Zou, Xiaodong, Sven Hovmöller, and Peter Oleynikov. "3D electron crystallography." In Electron CrystallographyElectron Microscopy and Electron Diffraction. Oxford University Press, 2011. http://dx.doi.org/10.1093/acprof:oso/9780199580200.003.0011.

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Amelinckx, S., and D. Van Dyck. "Electron Diffraction Effects due to Modulated Structures." In Electron Diffraction Techniques. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198557333.003.0004.

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Abstract The diffraction pattern of a modulated structure is often characterized by the appearance of weak reflections derived from and often close to the reflections of the basic structure. These so-called satellites often form linear sequences or 2D or 3D arrays associated with the basic reflections. When arrays of satellites belonging to different basic spots meet, they do not necessarily match, i.e. they do not belong to a common reciprocal lattice. In the simplest case of linear arrays a “spacing” anomaly or an “orientation” anomaly or a combination of both may occur (Figure 4.1). In this

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Xu, Hongyi. "3D electron diffraction for structural characterization of nanomaterials." In Reference Module in Materials Science and Materials Engineering. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-822425-0.00033-6.

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N. Hattori, Azusa, and Ken Hattori. "Creation and Evaluation of Atomically Ordered Side- and Facet-Surface Structures of Three-Dimensional Silicon Nano-Architectures." In 21st Century Surface Science - a Handbook. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.92860.

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The realization of three-dimensional (3D)-architected nanostructures, that is, the transformation from novel two-dimensional (2D) film-based devices to 3D complex nanodevices, is of crucial importance with the progress of scaling down devices to nanometer order. However, little attention has been devoted to controlling the atomic ordering and structures of side-surfaces on 3D structures, while techniques for controlling and investigating 2D surfaces, namely, surface science, have been established only for planar 2D surfaces. We have established an original methodology that enables atomic order

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Krishnan, Kannan M. "Transmission and Analytical Electron Microscopy." In Principles of Materials Characterization and Metrology. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198830252.003.0009.

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Transmission electron microscopy provides information on all aspects of the microstructure — structural, atomic, chemical, electronic, magnetic, etc. — at the highest spatial resolution in physical and biological materials, with applications ranging from fundamental studies to process metrology in the semiconductor industry. Developments in correcting electron-optical aberrations have improved TEM resolution to sub-Å levels. Coherent Bragg scattering (diffraction), incoherent Rutherford scattering (atomic mass), and interference (phase) are some contrast mechanisms in TEM. For phase contrast,

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Тези доповідей конференцій з теми "3D Electron diffraction"

Galliopoulou, Eirini C., Christopher Jones, Lawrence Coghlan, et al. "Creep Cavitation Imaging and Analysis in 9%Cr-1%Mo P91 Steels." In AM-EPRI 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.am-epri-2024p0219.

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Abstract The current research adopts a novel approach by integrating correlative microscopy and machine learning in order to study creep cavitation in an ex-service 9%Cr 1%Mo Grade 91 ferritic steel. This method allows for a detailed investigation of the early stages of the creep life, enabling identification of features most prone to damage such as precipitates and the ferritic crystal structure. The microscopy techniques encompass Scanning Electron Microscopy (SEM) imaging and Electron Back-scattered Diffraction (EBSD) imaging, providing insights into the two-dimensional distribution of cavi

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Li, Chong, Shiun Ling, Fang Cao, Jorge Pacheco, and Sanket Desai. "Effect of Sodium Chloride Concentration on Carbon Steel Sour Corrosion." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02486.

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Abstract Carbon steel corrosion in the presence of CO2 and H2S (referred to as CO2/H2S corrosion or sour corrosion) is a concern in the oil and gas industry. Chlorides are typically present in the production fluid at a range from parts per million (ppm) for condensed water to tens of percent (%) for produced water. Currently, there is a lack of understanding of the effect of chlorides and/or salinity on sour corrosion. To gain this understanding, high pressure autoclave testing was carried out to study the effect of chloride concentration on carbon steel sour corrosion. General corrosion rates

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Klapper, Helmuth Sarmiento, Tatiana Hentrich, Hendrik John, and Joachim Roesler. "Fatigue Behavior under Multiaxial Loading and Simulated Geothermal Environment of Cr-Mn Stainless Steel and UNS N07718." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07901.

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Abstract The fatigue life and reliability of components for modern drilling technologies are restricted by severe environmental conditions. The mechanical strain caused by drilling through hard formations in combination with increasing temperatures due to large drilling depths typical for geothermal wells, and in corrosive media, are particular critical for metallic materials. Therefore, for testing materials a suitable test rig, which enables to mimic the simultaneous influence of multiaxial fatigue loading, elevated temperatures and corrosive environments, is necessary. Because of the comple

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Kumar, Amit, Jorge L. Pacheco, Sanket K. Desai, Weiji Huang, Wei Sun, and Marcus Asmann. "Corrosion Performance of L80-1Cr and L80-3Cr Oil Country Tubular Goods (OCTG) in High CO2 at Elevated Temperature." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02753.

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Abstract Sweet corrosion of Oil Country Tubular Goods (OCTG) is a major concern in the oil and gas industry. The severity of corrosion depends on temperature, CO2 partial pressure, and material characteristics. In this paper, the effects of temperature and chromium content in OCTG steel on CO2 corrosion are discussed. In addition, the effect of the design of laboratory corrosion testing apparatus on observed corrosion behavior is investigated. The L80 OCTG steel used in this study had Cr content in the range of 1 to 3 wt%. Two different designs of autoclaves, namely, rotating cage autoclave an

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Ciolkowski, Michal, and Anne Neville. "A Systematic Scale-corrosion Study of a Combined Inhibitor in Scale-corrosion Environment via Experimental Design." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-3960.

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Abstract The scale-corrosion performance of combined inhibitors for oilfield has been assessed under scale-corrosion conditions in a newly developed bubble cell/jar test. The general corrosion of carbon steel X65, localised corrosion, bulk scale precipitation and surface scale deposition have been determined by various techniques (Linear Polarisation Resistance, contact 3D profiler, Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Analysis (EDX), X-ray diffraction (XRD) and Turbidity-meter). The parameters used in this study are temperature, supersaturation ratio with respect to

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Yang, Yan, Rajan Ambat, Riccardo Rizzo, and Magdalena Rogowska. "Multipronged Characterization of Scales and Corrosion on L80 Steel in the Presence of Microorganism." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13226.

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Abstract Scale deposit and corrosion attack on the L80 steel were observed using several analytical techniques, including 3D scanning microscopy, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and X-ray diffraction (XRD). This multipronged approach provided a more complete image and component of the species found on the steel surface. Cross-sectional SEM examinations showed the distribution and characteristic of scale. The results of EDS revealed that Fe, O and S were the most abundant elements in the scale layer, and the component analysis results showed that iron hy

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Li, Chong, Fang Cao, Yao Xiong, Sanket K. Desai, Jorge L. Pacheco, and Shiun Ling. "Effect of Wall Shear Stress on Sour Corrosion of Carbon Steel." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4051.

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Abstract Carbon steel corrosion in the presence of CO2 and H2S (referred to as CO2/H2S corrosion or sour corrosion) is a concern in the oil and gas industry. Presently laboratory evaluation of sour corrosion susceptibility typically involves measuring carbon steel corrosion rate under simulated field environmental conditions. In this lab testing, the wall shear stress is an important environmental parameter which describes the interaction of the flowing fluid with the steel surface. A good understanding of the wall shear stress effect is important to enable the extrapolation of lab test result

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Okonkwo, Bright O., Chaewon Jeong, Taejeong An, Hyun Joon Eom, and Changheui Jang. "Development of Eco-friendly Chromium Electrodeposit for Corrosion Resistance in Chloride-containing Environment." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19027.

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Abstract In this study, electrodeposited chromium (Cr) coatings are deposited on 3O4L stainless steel (SS) from a trivalent Cr bath at temperatures of 30°C and 80°C. For better adhesion of coating layer, a new pretreatment method was developed. The scanning electron microscope (SEM), 3D profilometry and x-ray diffraction (XRD) results show that the coatings produced at bath temperatures of 30°C and 80°C are clearly distinct in thickness, composition, surface morphology and surface topography. The coating formed at 30°C has a higher carbide content, coating thickness and roughness, as well as a

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"3D Electron Diffraction on Ferroelectric Perovskites." In Microscience Microscopy Congress 2023 incorporating EMAG 2023. Royal Microscopical Society, 2023. http://dx.doi.org/10.22443/rms.mmc2023.31.

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Yang, Jie, Christopher J. Hensley, and Martin Centurion. "Ultrafast 3D imaging of isolated molecules with electron diffraction." In SPIE Optical Engineering + Applications, edited by Zhiwen Liu. SPIE, 2013. http://dx.doi.org/10.1117/12.2023391.

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Звіти організацій з теми "3D Electron diffraction"

Scheinker, Alexander, and Reeju Pokharel. Adaptive Machine Learning for Bragg Coherent Diffraction Imaging (BCDI) of 3D Electron Density Maps with Application to La2-xBaxCuO4 (LBCO) High Temperature Superconductor Studies. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1671079.

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