Academic literature on the topic 'Diffraction Microstructure Imaging'

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Journal articles on the topic "Diffraction Microstructure Imaging"

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Isabell, Thomas C., and Vinayak P. Dravid. "Electron Backscattered Diffraction (EBSD) with a Cold Held Emission Gun (cFEG) SEM: Resolution, Sensitivity and Applications." Microscopy and Microanalysis 3, S2 (1997): 557–58. http://dx.doi.org/10.1017/s1431927600009673.

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A thorough and complete assessment of microstructure of materials requires a wide variety of analytical techniques, which should be sensitive to at all length scales - from mms to atomic scale. While there have been rapid advances in imaging and spectroscopy techniques for microstructural analysis - at all length scales, techniques for crystallographic analysis of microstructure have primarily relied on bulk x-ray/neutron diffraction and TEM. X-ray and neutron diffraction techniques, though very powerful, are primarily bulk techniques and extraction of local crystallography is formidable if no
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Sklenička, Vàclav, Petr Král, Jiří Dvořák, Marie Kvapilová, and Milan Svoboda. "Microstructure Evolution and Creep Behavior in ECAP Processed Metallic Materials." Materials Science Forum 783-786 (May 2014): 2689–94. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.2689.

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The creep behavior of high purity aluminum and copper, Al-0.2wt.%Sc and Cu-0.2wt.%Zr alloys was examined after processing by equal-channel angular pressing (ECAP) with an emphasis on the link between microstructure and creep. The microstructure was revealed by electron backscatter diffraction (EBSD) and analyzed by stereological methods. Representative microstructural parameters were obtained using orientation imaging microscopy and EBSD on the relationship between creep behavior and microstructure.
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Greisukh, G. I., I. A. Levin, and O. A. Zakharov. "Diffractive elements in thermal imaging monofocal dual-band objectives: design and technological aspects." Computer Optics 48, no. 2 (2024): 210–16. http://dx.doi.org/10.18287/2412-6179-co-1336.

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Using the example of the development of two simple dual-band monofocal IR objectives, approaches to the layout and design of their optical schemes are demonstrated, depending on whether compensation for the effects of temperature changes on the optical characteristics of these lenses is required or not. It is shown that in the case when thermal compensation is not required, superior optical characteristics can be achieved in a simple triplet, in which the flat surface of the frontal fractional lens carries a diffractive microstructure. In the case of passive athermalization, the optical scheme
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Adams, B. L. "Orientation imaging of microstructures." Proceedings, annual meeting, Electron Microscopy Society of America 52 (1994): 600–601. http://dx.doi.org/10.1017/s0424820100170736.

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The complexity of microstructures characteristic of polycrystalline materials presents the serious investigator with many challenges. The materials engineer hopes to associate the important technological properties of these materials with specific (quantifiable) attributes of the microstructure; however, microscopy presents an overwhelming myriad of details over a wide range of scales of inquiry. Thus, the persistent question becomes: What is important in the microstructure relative to a specific property or aspect of material performance? One particular viewpoint, which stems from the modern
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Wiskel, J. Barry, Ry Karl, Maro Emakpor, et al. "Development and Application of a Thermal Microstructure Model of Laminar Cooling of an API X70 Microalloyed Steel." Materials Science Forum 1105 (November 29, 2023): 7–12. http://dx.doi.org/10.4028/p-y88gpk.

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A thermal microstructure model of laminar cooling of X70 microalloyed steel skelp was developed to predict the effect of the laminar cooling temperature profile on the through thickness skelp microstructure. Plant trials using infrared video imaging were undertaken to establish the laminar cooling conditions prevalent in the industrial cooling system. The infrared video temperature measurements were used to develop a finite element thermal model of the skelp transiting the entire laminar cooling system. Dilatometer testing of the X70 steel with cooling rates ranging from 1 °C/s to 120 °C/s was
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Black, David R. "Microstructural characterization using x-ray diffraction imaging." Proceedings, annual meeting, Electron Microscopy Society of America 51 (August 1, 1993): 504–5. http://dx.doi.org/10.1017/s0424820100148356.

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X-ray diffraction imaging, also known as x-ray topography, is a powerful tool to study the defect microstructure of single crystals. As the name implies, this technique is based on recording an image of the diffracted x-ray beam from a crystal. Contrast in the image results from point-to-point variation in the diffracted intensity through the crystal. An example of a diffraction image is shown in figure 1. That this image is in some way a topographic representation of the sample can be seen in the impression of differing elevations and textures in different parts of the image. However, since t
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Falk, L. K. L. "SiAlON Microstructures." Key Engineering Materials 403 (December 2008): 265–68. http://dx.doi.org/10.4028/www.scientific.net/kem.403.265.

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This paper is focussed on the development of microstructure during liquid phase sintering and post-densification crystallisation heat treatment of ceramic materials based on the α- and β-Si3N4 structures. Grain shape and size distributions, assessed by quantitative microscopy in combination with stereological methods, and fine scale microstructures, investigated by electron diffraction and high resolution imaging and microanalysis in the transmission electron microscope, are discussed in relation to the fabrication process and the overall composition of the ceramic material.
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Alvis, Roger, David Dingley, and David Field. "Observation of grain superstructure in thin aluminum films by orientation imaging microscopy." Proceedings, annual meeting, Electron Microscopy Society of America 53 (August 13, 1995): 436–37. http://dx.doi.org/10.1017/s0424820100138555.

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The correlation of aluminum alloy reliability data to microstructure has long been the goal of those scientists seeking to model electromigration behavior of interconnects. Traditionally, microstructural information has been acquired through x-ray diffraction , and transmission electron microscopy (TEM). However, each of these techniques is capable of delivering only part of the characterization whole. We describe the application of orientation imaging microscopy (OIM) to thin aluminum alloy films and demonstrate its versatility in providing the key microstructural reliability parameters: name
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Blanton, Thomas N. "Applications of X-ray microdiffraction in the imaging industry." Powder Diffraction 21, no. 2 (2006): 91–96. http://dx.doi.org/10.1154/1.2204059.

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Characterization of materials used in the digital imaging industry has been performed using micro X-ray diffraction (microXRD) techniques. Case studies are described that demonstrate the use of microXRD for identification of phases, texture, and microstructure morphology of components used in imaging applications.
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Dingley, D. J. "Further advances in orientation imaging microscopy." Proceedings, annual meeting, Electron Microscopy Society of America 53 (August 13, 1995): 98–99. http://dx.doi.org/10.1017/s0424820100136866.

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Orientation Imaging Microscopy, OIM, is a relatively new technique which provides an image of the surface of polycrystalline material in which the grains are distinguished by their orientation differences, by the strain within them and the type of grain boundaries that separate them. The technique evolved from the work of Dingley and Venables on application of electron backscatter diffraction EBSD in the scanning electron microscope. In OIM, electron backscatter diffraction patterns are obtained successively at regularly spaced points on a sample surface. At each point, the diffraction pattern
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Dissertations / Theses on the topic "Diffraction Microstructure Imaging"

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Cuevas, Assunta Mariela. "Microstructure characterization of friction-stir processed nickel-aluminum bronze through orientation imaging microscopy." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02sep%5FCuevas.

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Ribart, Clément. "Essais 4D multimodaux et simulations numériques appliqués à l'étude de la plasticité cristalline." Electronic Thesis or Diss., Université Paris sciences et lettres, 2024. http://www.theses.fr/2024UPSLM001.

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Comprendre les liens étroits entre microstructure et propriétés est un objectif majeur pour la conception de matériaux de structure. Les métaux présentent une organisation polycristalline hétérogène qui pilote leur performance, d’où la nécessité d’accéder aux quantités mécaniques d’intérêt à l’échelle granulaire, voire intragranulaire. Un large éventail de techniques de caractérisation permet désormais d’observer ces échelles. Des avancées récentes sur les techniques RX, en synchrotron ou en laboratoire, ont contribué à l’essor des expériences multimodales, notamment par la réalisation d’essai
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Li, Shiu Fai Frankie. "Imaging of Orientation and Geometry in Microstructures: Development and Applications of High Energy X-ray Diffraction Microscopy." Research Showcase @ CMU, 2011. http://repository.cmu.edu/dissertations/59.

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Near-field High Energy X-ray Diffraction Microscopy (HEDM) is a synchrotron based imaging technique capable of resolving crystallographic orientation in a bulk, polycrystalline material non-destructively. Recent advances in data acquisition and analysis methods have led to micron-scale spatial resolution and ≤ 0.1º angular resolution of the measured volumetric orientation maps across millimeter sized samples. This is a significant improvement over the previous generation of three-dimensional X-ray techniques, which provides us with the access of statistically significant microstructure volumes
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L'Hôte, Gabriel. "Etude de la dynamique des dislocations de monocristaux de cuivre sous chargement cyclique : Emission acoustique et caractérisations microstructurales." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI125.

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Pendant la déformation plastique des matériaux cristallins, une plasticité douce, faite de nombreux mouvements de dislocations non corrélés peut coexister avec une plasticité plus sauvage, sous la forme de mouvements collaboratifs : les avalanches de dislocations. La coexistence des deux plasticités dépend de la mise en place d’une structure de dislocations, celle-ci étant supposée entraver la propagation des avalanches. On se propose d’étudier la corrélation entre les évolutions microstructurales et les arrangements de dislocations sous chargement cyclique, d'une part, et la nature de la dyna
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(8741097), Ritwik Bandyopadhyay. "ENSURING FATIGUE PERFORMANCE VIA LOCATION-SPECIFIC LIFING IN AEROSPACE COMPONENTS MADE OF TITANIUM ALLOYS AND NICKEL-BASE SUPERALLOYS." Thesis, 2020.

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<div>In this thesis, the role of location-specific microstructural features in the fatigue performance of the safety-critical aerospace components made of Nickel (Ni)-base superalloys and linear friction welded (LFW) Titanium (Ti) alloys has been studied using crystal plasticity finite element (CPFE) simulations, energy dispersive X-ray diffraction (EDD), backscatter electron (BSE) images and digital image correlation (DIC).</div><div><br></div><div>In order to develop a microstructure-sensitive fatigue life prediction framework, first, it is essential to build trust in the quantitative predic
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Book chapters on the topic "Diffraction Microstructure Imaging"

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Proudhon, Henry. "Synchrotron Imaging and Diffraction forIn Situ3D Characterization of Polycrystalline Materials." In From Microstructure Investigations to Multiscale Modeling. John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119476757.ch1.

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Popov, D., S. Sinogeikin, C. Park, et al. "New Laue Micro-diffraction Setup for Real-Time In Situ Microstructural Characterization of Materials Under External Stress." In Advanced Real Time Imaging II. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-06143-2_5.

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Han, Hai-Hao, and Xiao-Peng He. "Super-resolution Fluorescence Imaging." In Imaging Tools for Chemical Biology. Royal Society of Chemistry, 2024. http://dx.doi.org/10.1039/9781837673117-00071.

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Our current understanding of living systems has advanced to the level of individual cells. However, there is still a pressing need to more precisely visualize the microstructure of cells, as well as the dynamic actions of biomolecules therein, including molecular translocation and chemical modifications (e.g. epigenetics and post-translational modification) at the molecular level in real time. Fluorescence microscopy permits non-invasive imaging of biomolecules in living cells, but its resolution is limited by diffraction. While electron microscopy provides a higher resolution, it requires fix
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Patra, Anshuman. "Powder Characterization Methods." In Powder Metallurgy and Additive Manufacturing: Fundamentals and Advancements. ASM International, 2024. http://dx.doi.org/10.31399/asm.tb.pmamfa.t59400027.

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Abstract This chapter explains how to measure the shape, size, microstructure, and composition of powders as well as their flowability and crystallization behavior. It presents detailed workflows and calculations based on SEM, TEM, FESEM, and STEM imaging, x-ray diffraction, differential scanning calorimetry, EDS and EELS spectroscopy, and powder sieving. It also discusses the measurement of crystallite size, lattice mismatch, and crystallinity and the relationship between surface area and flowability.
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"Optimisation of coherent X-ray diffraction imaging at ultrabright synchrotron sources." In Fifth Size Strain Conference. Diffraction Analysis of the Microstructure of Materials. Oldenbourg Wissenschaftsverlag, 2008. http://dx.doi.org/10.1524/9783486992564-005.

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Krishnan, Kannan M. "Introduction to Materials Characterization, Analysis, and Metrology." In Principles of Materials Characterization and Metrology. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198830252.003.0001.

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Tailoring microstructures is central to materials development for any technological application. Microstructure includes information on the atomic, mesoscopic, and microscopic length scales, and its tailoring is enabled by characterization, which relates synthesis and processing of materials to their structure, properties, and performance. Typically, probe and signal radiations are used to characterize a specimen and their interactions may be elastic or inelastic, and coherent or incoherent. Probes are based on the electromagnetic spectrum, and their characteristics (e.g. energy, wavelength, m
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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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Krishnan, Kannan M. "Optics, Optical Methods, and Microscopy." In Principles of Materials Characterization and Metrology. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198830252.003.0006.

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Propagation of light is described as the simple harmonic motion of transverse waves. Combining waves that propagate on orthogonal planes give rise to linear, elliptical, or spherical polarization, depending on their amplitudes and phase differences. Classical experiments of Huygens and Young demonstrated the principle of optical interference and diffraction. Generalization of Fraunhofer diffraction to scattering by a three-dimensional arrangement of atoms in crystals forms the basis of diffraction methods. Fresnel diffraction finds application in the design of zone plates for X-ray microscopy.
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Kovaleva, Elizaveta, and Dmitry A. Zamyatin. "Revealing microstructural properties of shocked and tectonically deformed zircon from the Vredefort impact structure: Raman spectroscopy combined with SEM microanalyses." In Large Meteorite Impacts and Planetary Evolution VI. Geological Society of America, 2021. http://dx.doi.org/10.1130/2021.2550(18).

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ABSTRACT Finite deformation patterns of accessory phases can indicate the tectonic regime and deformation history of the host rocks and geological units. In this study, tectonically deformed, seismically deformed, and shocked zircon grains from a granite sample from the core of the Vredefort impact structure were analyzed in situ, using a combination of Raman spectroscopy, backscatter electron (BSE) imaging, electron backscattered diffraction (EBSD) mapping, electron probe microanalyses (EPMA), energy-dispersive X-ray spectroscopy (EDS) qualitative chemical mapping, and cathodoluminescence (CL
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Conference papers on the topic "Diffraction Microstructure Imaging"

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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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Mahajan, S., V. Kain, P. Ganesh, R. Kaul, A. K. Nath, and R. C. Prasad. "Laser Surface Modification for Improving the Resistance against Intergranular Corrosion of an Austenitic Stainless Steel." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07191.

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Abstract Surface modification of type 18/8 stainless steel was carried out using a 3 kW CO2 laser with continuous and pulse wave and with 25%, 50% &amp; 70% overlapping. After laser surface modification, the material was sensitized at 650°C for 9 hours. The degree of sensitization (DOS) was determined by the double loop electrochemical potentiokinetic reactivation (DL-EPR) test and the susceptibility to intergranular corrosion (IGC) was determined by practice B, A 262, ASTM. The DL-EPR value of base material was 4.52 whereas on the laser modified surfaces it was in the range of 0.11 to 0.91. A
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Akter, Nadia, Grace Wagner, Fardad Azarmi, and Ying Huan. "Microstructural Study of Nickel Chromium Coating with Complex Composition for High-Performance Application." In ITSC 2025. ASM International, 2025. https://doi.org/10.31399/asm.cp.itsc2025p0099.

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Abstract This study offers a comprehensive understanding of NiCrSiBMoFeCuC coating deposited via HVOF through the use of high-resolution TEM imaging, which provides detailed crystallographic information and defect analysis capabilities. The chemical composition of the coating was evaluated with both SEM-EDS and TEM-EDS, while lattice parameter values were measured using both x-ray diffraction and transmission electron microscopy.
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Hefferan, Christopher M., Michael J. Deible, Matthew J. Perricone, and Keith E. Wagner. "Grain Boundary Corrosion of UNS N10276 Using Orientation Imaging via Electron Backscatter Diffraction Microscopy (EBSD)." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13418.

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Abstract Due to its reliable performance in many corrosive environments, UNS N10276 is widely used in diverse industrial sectors ranging from chemical processing to marine and aerospace. Understanding the physical properties associated with different processing histories can assist in informed selection of UNS N10276 microstructures for specific applications. Here, grain boundary corrosion susceptibility in the context of grain boundary types is the focus. With the aid of electron backscatter diffraction microscopy (EBSD), grain maps containing spatial orientation information have been collect
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Koronkevich, Voldemar P., and Galina A. Lenkova. "Diffraction method for testing a periodic microstructure." In International Colloquium on Nonconventional Optical Imaging Elements, edited by Jerzy Nowak and Marek Zajac. SPIE, 1994. http://dx.doi.org/10.1117/12.190212.

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Wang, Zhiyu, Christopher Saldana, and Saurabh Basu. "Subsurface Microstructure and Crystallographic Texture in Surface Severe Plastic Deformation Processes." In ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/msec2017-2915.

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Severe plastic burnishing was investigated as a promising surface severe plastic deformation technique for generating gradient microstructure surfaces. The deformed state of oxygen free high conductivity copper workpieces during the surface deformation process was determined with high-speed imaging, this complemented by microstructure characterization using orientation image microscopy based on electron backscatter diffraction. Varying deformation levels in terms of both magnitude and gradient on the processed surface were achieved through control of the incident tool angle. Refined microstruc
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Tremsin, Anton S. "Applications of Neutron Counting MCP/Timepix Detectors in Neutron Imaging and Diffraction Experiments." In 3D Image Acquisition and Display: Technology, Perception and Applications. Optica Publishing Group, 2023. http://dx.doi.org/10.1364/3d.2023.jw2a.47.

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In this talk we will discuss the unique capabilities of neutron counting detectors with Microchannel Plates combined with a Timepix readout for various applications in neutron imaging and diffraction. With such detectors implemented at spallation neutron sources it is now possible to measure simultaneously more than 250,000 neutron transmission spectra, each within a 55 µm pixel. Despite substantial limitations of this method (e.g. integration of materials characteristics along the direction of neutron beam propagation) this novel technique can be attractive for some studies where other techni
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Basu, Saurabh, Zhiyu Wang, and Christopher Saldana. "Modeling Evolution of Microstructures Beneath Topographically Textured Surfaces Produced Using Shear Based Material Removal." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8802.

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Tool chatter is envisaged as a technique to create undulations on fabricated biomedical components. Herein, a-priori designed topographies were fabricated using modulate assisted machining of oxygen free high conductivity copper. Subsequently, underpinnings of microstructure evolution in this machining process were characterized using electron back scattered diffraction based orientation imaging microscopy. These underpinnings were related to the unsteady mechanical states present during modulated assisted machining, this numerically modeled using data obtained from simpler machining configura
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Große Holthaus, Marzellus, and Kurosch Rezwan. "Comparison of Three Microstructure Fabrication Methods for Bone Cell Growth Studies." In ASME 2008 International Manufacturing Science and Engineering Conference collocated with the 3rd JSME/ASME International Conference on Materials and Processing. ASMEDC, 2008. http://dx.doi.org/10.1115/msec_icmp2008-72198.

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Different micropatterning techniques were applied to elucidate the potential for cell proliferation studies on calcium phosphate surfaces. Sintered hydroxyapatite (HA) platelets were microstructured by three different techniques: Aerosol jet printing (M3D®), laser ablation and microcontact printing via polydimethylsiloxane (PDMS) stamps. The microstructures were designed as channels between 1000 and 3000 micron in length, 10 to 220 micron in width and 5 to 110 micron in height. An optical profilometer, a Scanning Electron Microscope (SEM) and X-ray diffraction were used to characterize the mic
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Ji, Lingkang, Li Meng, Yang Li, Chunyong Huo, and Yaorong Feng. "EBSD Study on Transverse Tensile X80 Grade Pipeline Steel." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31251.

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Transverse tension testing was carried out on an X80 grade linepipe to investigate the deformation behavior and the evolution of microstructure by means of SEM-EBSD (Electron Backscattered Diffraction) technique. Test results show that uniform elongation could achieve up to 7% in transverse tension for an X80 linepipe. Microstructural analysis shows that primary equiaxed ferrite grains obviously changed after the tension test to elongate along the length of pipeline body, but the substructure did not increase much revealing that the ferrite in X80 steel could contribute to a certain extent for
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