Готові списки джерел за темами / Technological Surface

Добірка наукової літератури з теми "Technological Surface"

Автор: Grafiati
Опубліковано: 14 березня 2023

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Статті в журналах з теми "Technological Surface"

1

Deaconescu, Andrea, and Tudor Deaconescu. "Plane surface lapping technological processor." MATEC Web of Conferences 343 (2021): 02002. http://dx.doi.org/10.1051/matecconf/202134302002.

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Анотація:
To date lapping as a finishing process of part surfaces lacks an underlying digital knowledge base. This is due to the complex interlinking of the numerous parameters that influence the results of machining. Starting from here the paper argues improved process planning and machining process optimization by presenting a new modelling algorithm of lapping and a software tool designed as a support for lapping machine operators. The proposed computer programme enables automated planning of machining and can be deployed for studies related to the influence of various work parameters on the quality criteria targeted by machining.
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2

Jiang, X. Jane, and David J. Whitehouse. "Technological shifts in surface metrology." CIRP Annals 61, no. 2 (2012): 815–36. http://dx.doi.org/10.1016/j.cirp.2012.05.009.

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3

Sýkorová, Libuše, Jana Knedlová, Vladimír Pata, and Milena Kubišová. "Technological Parameters and PMMA Surface Structure." Manufacturing Technology 18, no. 5 (October 1, 2018): 856–60. http://dx.doi.org/10.21062/ujep/190.2018/a/1213-2489/mt/18/5/856.

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4

Rakhimyanov, A. Kh, Yu S. Semenova, and A. A. Zhivaga. ""TECHNOLOGICAL MODES FOR ULTRASONIC SURFACE HARDENING." Vestnik of Kuzbass State Technical University 18, no. 2 (2018): 84–92. http://dx.doi.org/10.26730/1999-4125-2018-2-84-92.

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5

Yates, John T. "Surface ChemistryAdvances and Technological Impact 1996." Chemical Reviews 96, no. 4 (January 1996): 1221–22. http://dx.doi.org/10.1021/cr960058p.

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6

Rakhmyanov, Kharis, Julia Semyonova, and Anna Eryomina. "Technological Peculiarities Providing the Surface Quality Parameters at Ultrasonic Surface Hardening." Applied Mechanics and Materials 698 (December 2014): 482–86. http://dx.doi.org/10.4028/www.scientific.net/amm.698.482.

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Анотація:
This paper presents technological limitations on processing modes that are caused by the need to provide the required quality parameters of machine part surfaces. We consider the peculiarities of the surface material behavior when processed by ultrasonic surface hardening, and show the causes of defects appearing in plastic deformation and the ways of their elimination.
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7

Varga, Gyula. "Effects of Technological Parameters on the Surface Texture of Burnished Surfaces." Key Engineering Materials 581 (October 2013): 403–8. http://dx.doi.org/10.4028/www.scientific.net/kem.581.403.

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Анотація:
In this study we analysed the process of diamond burnishing. We examined the effect of burnishing technological parameters on the surface roughness of the burnished surface, and on the improvement ratio of surface roughness. Parameters taking into consideration during examinations are burnishing speed, burnishing feed, and burnishing force. We determined a formula suitable for determination of the improvement ratio of surface roughness by the Factorial Experimental Design which is valid in the examined parameter range.
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8

Нагоркин, Максим, Maksim Nagorkin, Владимир Федоров, Vladimir Fedorov, Игорь Пыриков, Igor Pyrikov, Михаил Топорков, and Mihail Toporkov. "REGULATIONS OF ROUGHNESS PARAMETERS FOR MACHINERY FUNCTIONAL SURFACES IN TECHNOLOGICAL DOCUMENTATION." Bulletin of Bryansk state technical university 2019, no. 3 (March 27, 2019): 4–12. http://dx.doi.org/10.30987/article_5c8b5ce9c06c31.07069800.

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Анотація:
On the basis of the probability theory approach to the formation of surface roughness parameters in machinery during machining there is offered an algorithmic solution of an urgent problem of the regulations of roughness parameters for machinery functional surfaces in technological documentation. The algorithmic solutions for the following parameter versions are developed (RSS 2.309-73): the highest value; the smallest value; a value range; a rated value with ultimate deviations; an indication of two and more parameters. The theoretical investigation results may serve as a starting point for the further development of theory and practice for the technological support of roughness parameters in machinery functional surfaces with the required reliability. Foe a wide actual realization of investigation results the solution of a number of problems is needed: 1) the development of standards or guide information on the regulations in technological documentation of required technological values of roughness parameters; 2) the further development of investigations in the field of technological support reliability of quality parame-ters (including roughness) of blank surfaces in the course of machining in technologically flexible systems.
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9

Filatova, E. O., and A. S. Shulakov. "Glass Surface Atomic Structure after Technological Treatments." Journal of Colloid and Interface Science 169, no. 2 (February 1995): 361–64. http://dx.doi.org/10.1006/jcis.1995.1044.

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10

Firsov, Alexander, Alexander Qvcharenko, Alexander Romashev, Vitaly Smirnov, and Aleksey Kamardin. "Boring a Discontinuous Surface: the Choice of Technological Modes." MATEC Web of Conferences 297 (2019): 01009. http://dx.doi.org/10.1051/matecconf/201929701009.

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Анотація:
The article deals with issues related to ensuring the quality of machining of a discontinuous surface. The subject of research is the technology of boring holes. Machining holes with intermittent areas on the surface is difficult due to the occurrence of dynamic effects. As a rule, regulatory and technical documentation does not give specific recommendations for such cases. The authors of the article describe the introduction of additional conditions, which allow determining the modes of boring holes with intermittent areas on the surface at the design stage of the technological process. This solution ensures that the part meets the specified quality requirements and allows you to verify the correctness of the technological decisions. The algorithm for selecting boring modes of holes with discontinuous surfaces implements the proposed technical solution in practice.
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Більше джерел

Дисертації з теми "Technological Surface"

1

Logins, Andris. "High speed milling technological regimes, process condition and technological equipment condition influence on surface quality parameters of difficult to cut materials." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/164122.

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Анотація:
[ES] La calidad superficial en las piezas mecanizadas depende del acabado superficial, resultado de las marcas dejadas por la herramienta durante el proceso de corte. Las aproximaciones teóricas tradicionales indican que estas marcas están relacionadas con los parámetros de corte (velocidad de corte, avance, profundidad de corte...), el tipo de máquina, el material de la pieza, la geometría de la herramienta, etc. Pero no todos los tipos de mecanizado y selección de materiales pueden dar un resultado ambiguo. Hoy en día, de manera progresiva, se están utilizando las técnicas de fresado de Alta Velocidad sobre materiales de difícil mecanizado cada vez más. El fresado de Alta Velocidad implica a un considerable número de parámetros del proceso que pueden afectar a la formación topográfica 3D de la superficie. La hipótesis de que los parámetros de rugosidad superficial dependen de las huellas dejadas por la herramienta, determinadas por las condiciones de trabajo y las propiedades del entorno, condujo al desarrollo de una metodología de investigación personalizada. Este trabajo de investigación muestra como la combinación de los parámetros, inclinación del eje de la herramienta, deflexión geométrica de la herramienta y comportamiento vibracional del entorno, influencian sobre el parámetro de rugosidad superficial 3D, Sz. El modelo general fue dividido en varias partes, donde se ha descrito la influencia de parámetros del proceso adicionales, siendo incluidos en el modelo general propuesto. El proceso incremental seguido permite al autor desarrollar un modelo matemático general, paso a paso, testeando y añadiendo los componentes que más afectan a la formación de la topografía de la superficie. En la primera parte de la investigación se seleccionó un proceso de fresado con herramientas de punta plana. Primero, se analiza la geometría de la herramienta, combinada con múltiples avances, para distinguir los principales parámetros que afectan a la rugosidad superficial. Se introduce un modelo de predicción con un componente básico para la altura de la rugosidad, obtenida por la geometría de la herramienta de corte. A continuación, se llevan a cabo experimentos más específicamente diseñados, variando parámetros tecnológicos. Esto empieza con el análisis de la inclinación del eje de la herramienta contra la mesa de fresado. Los especímenes de análisis son muestras con cuatro recorridos de corte rectos con corte en sentido contrario. Las trayectorias lineales con diferentes direcciones dan la oportunidad de analizar la inclinación del husillo de fresado en la máquina. Un análisis visual reveló diferencias entre direcciones de corte opuestas, así como marcas dejadas por el filo posterior de la herramienta. Considerando las desviaciones de las marcas de corte observadas en las imágenes de rugosidad superficial obtenidas a partir de las medidas, se introdujo un análisis sobre el comportamiento dinámico del equipo y de la herramienta de corte. Las vibraciones producen desviaciones en la mesa de fresado y en la herramienta de corte. Estas desviaciones fueron detectadas e incluidas en el modelo matemático para completar la precisión en la predicción del modelo. Finalmente, el modelo de predicción del parámetro de rugosidad Sz fue comprobado con un mayor número de parámetros del proceso. Los valores de Sz medidos y predichos, fueron comparados y analizados estadísticamente. Los resultados revelaron una mayor desviación de la rugosidad predicha en las muestras fabricadas con diferentes máquinas y con diferentes avances. Importantes conclusiones sobre la precisión del equipo de fabricación han sido extraídas y de ellas se desprende que la huella de la herramienta de corte está directamente relacionada con los parámetros de la topografía de la superficie. Además, la influencia de la huella está afectada por la geometría de la herramienta de corte, la rigidez de la herramienta y la precisión del equipo. La geometría de la herramienta conforma la base del parámetro Sz, desviación de la altura de la superficie. Las conclusiones alcanzadas son la base para recomendaciones prácticas, aplicables en la industria.
[CA] La qualitat superficial en les peces mecanitzades depèn de l'acabat superficial, resultat de les marques deixades per l'eina durant el procés de tall. Les aproximacions teòriques tradicionals indiquen que aquestes marques estan relacionades amb els paràmetres de tall (velocitat de tall, avanç, profunditat de tall...), el tipus de màquina, el material de la peça, la geometria de l'eina, etc. Però no tots els tipus de mecanitzat i selecció de materials poden donar un resultat ambigu. Avui en dia, de manera progressiva, s'estan utilitzant les tècniques de fresat d'Alta Velocitat sobre materials de difícil mecanització cada vegada més. El fresat d'Alta Velocitat implica un considerable nombre de paràmetres del procés que poden afectar la formació topogràfica 3D de la superfície. La hipòtesi que els paràmetres de rugositat superficial depenen de les empremtes deixades per l'eina, determinades per les condicions de treball i les propietats de l'entorn, va conduir al desenvolupament d'una metodologia d'investigació personalitzada. Aquest treball de recerca mostra com la combinació dels paràmetres, inclinació de l'eix de l'eina, deflexió geomètrica de l'eina i comportament vibracional de l'entorn, influencien sobre el paràmetre de rugositat superficial 3D, Sz. El model general va ser dividit en diverses parts, on s'ha descrit la influència de paràmetres addicionals del procés, sent inclosos en el model general proposat. El procés incremental seguit permet a l'autor desenvolupar un model matemàtic general, pas a pas, testejant i afegint els components que més afecten a la formació de la topografia de la superfície. En la primera part de la investigació es va seleccionar un procés de fresat amb eines de punta plana. Primer, s'analitza la geometria de l'eina, combinada amb múltiples avanços, per distingir els principals paràmetres que afecten la rugositat superficial. S'introdueix un model de predicció amb un component bàsic per a l'altura de la rugositat, obtinguda a través de la geometria de l'eina de tall. A continuació, es duen a terme experiments més específicament dissenyats, variant paràmetres tecnològics. Això comença amb l'anàlisi de la inclinació de l'eix de l'eina contra la taula de fresat. Els espècimens d'anàlisi són mostres amb quatre recorreguts de tall rectes amb tall en sentit contrari. Les trajectòries lineals amb diferents direccions donen l'oportunitat d'analitzar la inclinació del fus de fresat en la màquina. Una anàlisi visual revelà diferències entre direccions de tall oposades, així com marques deixades pel tall posterior de l'eina. Considerant les desviacions de les marques de tall observades en les imatges de rugositat superficial obtingudes a partir de les mesures, es va introduir una anàlisi sobre el comportament dinàmic de l'equip i de l'eina de tall. Les vibracions produeixen desviacions en la taula de fresat i en l'eina de tall. Aquestes desviacions van ser detectades i incloses en el model matemàtic per completar la precisió en la predicció de el model. Finalment, el model de predicció de el paràmetre de rugositat Sz va ser comprovat amb un major nombre de paràmetres del procés. Els valors de Sz mesurats i predits, van ser comparats i analitzats estadísticament. Els resultats van revelar una major desviació de la rugositat predita en les mostres fabricades amb diferents màquines i amb diferents avanços. Importants conclusions sobre la precisió de l'equip de fabricació han estat extretes i d'elles es desprèn que l'empremta de l'eina de tall està directament relacionada amb els paràmetres de la topografia de la superfície. A més, la influència de la empremta està afectada per la geometria de l'eina de tall, la rigidesa de l'eina i la precisió de l'equip. La geometria de l'eina conforma la base del paràmetre Sz, desviació de l'altura de la superfície. Les conclusions assolides són la base per recomanacions pràctiques, aplicables en la indústria.
[EN] Surface quality of machined parts highly depends on the surface texture that reflects the marks, left by the tool during the cutting process. The traditional theoretical approaches indicate that these marks are related to the cutting parameters (cutting speed, feed, depths of cut...), the machining type, the part material, the tool geometry, etc. But, different machining type and material selection can give a variable result. In nowadays, more progressively, High Speed milling techniques have been applied on hard-to-cut materials more and more extensively. High-speed milling involves a considerable number of process parameters that may affect the 3D surface topography formation. The hypothesis that surface topography parameters depends on the traces left by the tool, determined by working conditions and environmental properties, led to the development of a custom research methodology. This research work shows how the parameters combination, tool axis inclination, tool geometric deflection, cutting tool geometry and environment vibrational behavior, influence on 3D surface topography parameter Sz. The general model was divided in multiple parts, where additional process parameters influence has been described and included in general model proposed. The incremental process followed allows the author to develop a general mathematical model, step by step, testing and adding the components that affect surface topography formation the most. In the first part of the research a milling procedure with flat end milling tools was selected. First, tool geometry, combined with multiple cutting feed rates, is analyzed to distinguish the main parameters that affect surface topography. A prediction model is introduced with a basic topography height component, performed by cutting tool geometry. Next, specifically designed experiments were conducted, varying technological parameters. That starts with cutting tool axis inclination against the milling table analysis. The specimens of analysis are samples with 4 contrary aimed straight cutting paths. Linear paths in different directions give a chance to analyze milling machine spindle axis topography, as well as marks left from cutting tool back cutting edge. Considering the deviations of cutting marks observed in the images of the surface topography obtained through the measurements, the milling equipment and cutting tool dynamical behavior analysis were introduced. Vibrations produce deviations in the milling table and cutting tool. These deviations were detected and included in the mathematical model to complete the prediction model accuracy. Finally, the prediction model of the topography parameter SZ was tested with increased number of process parameters. Measured and predicted SZ values were compared and analyzed statistically. Results revealed high predicted topography deviation on samples manufactured with different machines and with different feed rates. Relevant conclusions about the manufacturing equipment accuracy have been drawn and they state that cutting tool's footprint is directly related with surface topography parameters. Besides, footprint influence is affected by cutting tool geometry, tool stiffness and equipment accuracy.
Logins, A. (2021). High speed milling technological regimes, process condition and technological equipment condition influence on surface quality parameters of difficult to cut materials [Tesis doctoral]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/164122
TESIS
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2

MACULOTTI, GIACOMO. "Advanced Methods for the Mechanical and Topographical Characterization of Technological Surfaces." Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2875747.

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3

Šeniglová, Hana. "Analýza procesu výroby čerpadel, návrh a optimalizace nového postupu ve firmě Antreg, a.s." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241697.

Повний текст джерела
Анотація:
This master’s thesis deals with the process of production of oil pump at the company Antreg, a.s. The purpose of the thesis was to design a new technological process without grinding. The goal was achieved by an experiment. The necessary measurements were taken on the front part of the oil pump box. Measurements are described and evaluated in this thesis. As a next step, optimal technological process was applied to other parts of the oil pump box. An economic evaluation was carried out for a selected technical process.
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4

Wall, Michael L. "The Starch Granule Surface: Technological and Biological Implications of Puroindoline and Host-pathogen Interactions." Thesis, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/19731.

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Анотація:
The sun is the primary source of all chemical energy on the planet. Starch granules have evolved as storage deposits for captured light energy. Many complex biological functions take place at the starch granule surface, including starch granule metabolism and defense. The starch granule-associated protein puroindoline is a known antimicrobial with unique functional and biological properties, attributed to the presence of a unique tryptophan-rich domain. To test puroindoline's tight association, puroindoline removed from the starch granule surface during water-washing was assessed. Washing more than eight times failed to further reduce puroindoline content of starch granules, suggesting a strong association of puroindoline with the starch granule surface. To identify the tryptophan-rich domain tightly associated with the starch granule surface, we used a combination of in situ tryptic digestion and mass spectrometry. We identified the tryptophan-rich domain of puroindoline directly bound to the starch granule surface of wheat. This is the first instance of the tryptophan-rich domain directly observed at the starch granule surface. In addition, using mass spectrometry, we determined that during development and maturation, wheat seeds appear to have resisted infection and lysed the pathogens where, upon desiccation, the molecular evidence remained fixed at the starch granule surface. Proteins with known antimicrobial activity were identified, as well as several proteins from the plant pathogens Agrobacterium tumefaciens, Pectobacterium carotovorum, Fusarium graminearum, Magnaporthe grisea, Xanthomonas axonopodis, and X. oryzae. Future characterization may reveal previously unknown host-pathogen interactions. Finally, we have demonstrated that puroindoline, when expressed in the seeds of transgenic corn, will localize and associate with the starch granule surface in a pattern similar to the puroindoline expression pattern observed in wheat. Surprisingly, puroindoline expression in transgenic corn is correlated with an increase in total seed oil content.
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5

Kouroupis-agalou, Konstantinos <1985&gt. "Production and Characterization of New 2D Materials for Technological Applications in Composites and Surface Coatings." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7420/1/Kouroupis-Agalou_Konstantinos_tesi.pdf.

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Анотація:
In this dissertation, we firstly developed a new method to evaluate the exfoliation results of Graphene and other 2D materials (Graphene Oxide, Boron Nitride).This was essential to understand the fundamental processes behind the production of 2D materials. Additionally, that helped us to understand the production development of 2D-based composite materials and bio- compatible materials, such as gelatin fibers. We evaluated the processed 2D nanomaterials with commonly used characterization techniques used in the scientific and industrial world, which are the Atomic Force Microscope. Furthermore, we developed this method by using Fluorescence Optical Microscopy (FOM), Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM). Based on AFM analysis of thousands samples, the exfoliation of 2D nanomaterials, like the distributions recognized in the fields of biology, astronomy and mineralogy. We demonstrated a new way to produce stable graphene solutions in low boiling point solvents and how the exfoliated material can interpret into polymer surface such as Polyvinylchloride (PVC) and natural rubber. Overall, the uniqueness of this work is that we developed a new method that has not been studied before and gives the opportunity to materials scientists that are researching on the growing field of Graphene and other 2D materials to have a method in order to control, quantify and evaluate the exfoliation results of nanomaterials that are produced through the most well-known methods of liquid phase exfoliation and ball milling, both of which are applied in scientific and industrial level. Thus, the results presented in this work may offer insight into the polymer composites where the size and shape of nanosheets can be rationally optimized.
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6

Kouroupis-agalou, Konstantinos <1985&gt. "Production and Characterization of New 2D Materials for Technological Applications in Composites and Surface Coatings." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7420/.

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Анотація:
In this dissertation, we firstly developed a new method to evaluate the exfoliation results of Graphene and other 2D materials (Graphene Oxide, Boron Nitride).This was essential to understand the fundamental processes behind the production of 2D materials. Additionally, that helped us to understand the production development of 2D-based composite materials and bio- compatible materials, such as gelatin fibers. We evaluated the processed 2D nanomaterials with commonly used characterization techniques used in the scientific and industrial world, which are the Atomic Force Microscope. Furthermore, we developed this method by using Fluorescence Optical Microscopy (FOM), Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM). Based on AFM analysis of thousands samples, the exfoliation of 2D nanomaterials, like the distributions recognized in the fields of biology, astronomy and mineralogy. We demonstrated a new way to produce stable graphene solutions in low boiling point solvents and how the exfoliated material can interpret into polymer surface such as Polyvinylchloride (PVC) and natural rubber. Overall, the uniqueness of this work is that we developed a new method that has not been studied before and gives the opportunity to materials scientists that are researching on the growing field of Graphene and other 2D materials to have a method in order to control, quantify and evaluate the exfoliation results of nanomaterials that are produced through the most well-known methods of liquid phase exfoliation and ball milling, both of which are applied in scientific and industrial level. Thus, the results presented in this work may offer insight into the polymer composites where the size and shape of nanosheets can be rationally optimized.
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7

Rusinovn, P. O., J. M. Blednova, and E. Y. Balayev. "Formation of Multi-functional TiNi Surface Layers via High-speed Flame Spraying." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35286.

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Анотація:
This paper examines the formation of multisurface layers of a material with shape memory effect characteristics, using high-speed flame spraying of TiNi. The control parameters of the process were analysed and optimized spraying regimes applied in order to ensure the formation of a structure with grain size 30 - 170 nm and adhesion strength greater than 60 MPa. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35286
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8

Fišerová, Zuzana. "Analýza vlivu technologických procesů na vlastnosti funkčních ploch ložisek." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400252.

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Анотація:
The dissertation is focused on the bearing production technology issues. The aim of the thesis is to investigate and evaluate the influence of the technological processes on properties of the functional surfaces of an outer bearing ring. The development, rolling, grinding and turning have been selected as basic technological processes. The subject of the surface integrity research on test samples is the measurement and analysis of the quality of the machined surfaces and residual stresses in the surface layers of the bearing rings. The comparison is made in relation to the previous operations - rolling, turning and grinding.
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9

Sysoev, Yu, and I. Tatarkina. "Managing the Composition of the Plasma Flow of the Technological Plasma Sources by Changing the Temperature of the Cathode Working Surface." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35599.

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Анотація:
The problems of managing the amount of drop fraction in the plasma flow of technological plasma vac-uum-arc discharge sources by controlling the changing the cathode surface temperature were considered. The possibilities for regulation and stabilization of cathode surface temperature by cooling the front and the lateral cathode surface were investigated. Designs of cathode assemblies in which the control of tem-perature of the working surface cathode is exercised by changing the coolant flow rate and by changing dis-tance between the cathode working surface and its cooling area were developed. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35599
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10

Acosta, Alba Pablo Eduardo. "Influence of Smart Cut™ technological steps on thickness uniformity of SOI wafers : multi-scale approach." Toulouse 3, 2014. http://thesesups.ups-tlse.fr/2476/.

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Les substrats de silicium sur isolant (SOI) sont très prometteurs pour la technologie CMOS. Un substrat SOI est notamment formé d'une couche extrêmement fine de silicium cristallin. Il a été démontré que les caractéristiques des transistors dépendent fortement de l'épaisseur de cette couche. Il est indispensable que les variations d'épaisseur soient parfaitement contrôlées et caractérisées sur une large gamme spatiale ce qui représente un grand défi. Des méthodes d'analyse de données, obtenues par différentes techniques expérimentales ont été développées, ceci permet de caractériser la rugosité et l'épaisseur de couches fines sur la bande spectrale d'intérêt. L'analyse approfondie de l'impact des principales étapes technologiques de la fabrication de substrats FD-SOI, sur l'uniformité d'épaisseur de la couche de silicium a permis de déterminer l'empreinte spectrale de ces étapes. En outre, nous avons étudié les phénomènes physiques à l'origine du lissage thermique. Un model statistique basé sur la diffusion surfacique des ad-atomes d'un cristal a été développé. Ce model permet de prédire l'évolution de la topographie des surfaces de silicium traitées par un recuit thermique
New generations of transistors will be fabricated on Fully Depleted Silicon-On-Insulator (FD-SOI) wafers. A FD-SOI wafer consists of an ultrathin top silicon layer sitting on top of a buried oxide layer itself on top of a thick Si handle wafer. As transistor characteristics strongly depends on thickness variations of the Si layer, the capability of assessing and mastering thickness uniformity has become the real challenge for the CMOS technology to overcome. In this work, we propose a multi-scale metrology method, based on the use of spectral functions allowing the treatment of data recorded from several experimental techniques, to describe both roughness and thickness variations of thin layers. Using these methods, we investigate the impact of some technological process steps involved in the fabrication of the FD-SOI wafers, on the resulting thickness uniformity features and determine their spectral foot-print. Finally, we investigate the underlying physical mechanisms involved in the surface smoothening of Si layers by thermal annealing. We develop a statistic model describing surface self-diffusion allowing predicting the roughness evolution of Si surfaces during thermal annealing
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Книги з теми "Technological Surface"

1

A, Favre Eduardo, and Fuentes Néstor O, eds. Functional properties of bio-inspired surfaces: Characterization and technological applications. Hackensack, NJ: World Scientific, 2009.

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2

National Risk Management Research Laboratory (U.S.). Water Supply and Water Resources Division, ed. Surface infiltration rates of permeable surfaces: Six month update (November 2009 through April 2010). Edison, N.J: National Risk Management Research Laboratory, Water Supply and Water Resources Division, U.S. Environmental Protection Agency, 2010.

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Engineers, Society of Automotive, and Future Transportation Technology Conference and Exposition (1997 : San Diego, Calif.), eds. Advanced engines and components for surface transportation. Warrendale, PA: Society of Automotive Engineers, 1997.

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4

Nauchno-tekhnicheskai︠a︡, konferent︠s︡ii︠a︡ s. mezhdunarodnym uchastiem "Materialy i. uprochni︠a︡i︠u︡shchie tekhnologii 2008" (15th 2008 Kursk Russia). Materialy i uprochni︠a︡i︠u︡shchie tekhnologii-2008: Sbornik materialov XV Rossiĭskoĭ nauchno-tekhnicheskoĭ konferent︠s︡ii s mezhdunarodnym uchastiem, 27-29 mai︠a︡ 2008 goda. Kursk: Kurskiĭ gos. tekhn. universitet, 2008.

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Nauchno-tekhnicheskai͡a, konferent͡sii͡a s. mezhdunarodnym uchastiem "Materialy i. uprochni͡ai͡ushchie tekhnologii 97" (5th 1997 Kursk Russia). V Nauchno-tekhnicheskai͡a konferent͡sii͡a s mezhdunarodnym uchastiem "Materialy i uprochni͡ai͡ushchie tekhnologii -97", 20-23 noi͡abri͡a 1997 g.: Tezisy i materialy dokladov. Kursk: Kurskiĭ gos. tekhn. universitet, 1997.

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Rossiĭskai͡a, nauchno-tekhnicheskai͡a konferent͡sii͡a "Materialy i. uprochni͡ai͡ushchie tekhnologii 94" (1994 Kursk Russia). Rossiĭskai͡a nauchno-tekhnicheskai͡a konferent͡sii͡a "Materialy i uprochni͡ai͡ushchie tekhnologii - 94": Tezisy i materialy dokladov, 15-17 noi͡abri͡a 1994 goda. Kursk: Kurskiĭ gos. tekhn. universitet, 1994.

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7

Nauchno-tekhnicheskai︠a︡ konferent︠s︡ii︠a︡ s mezhdunarodnym uchastiem "Materialy i uprochni︠a︡i︠u︡shchie tekhnologii -2008" (15th 2008 Kursk, Russia). Materialy i uprochni︠a︡i︠u︡shchie tekhnologii-2008: Sbornik materialov XV Rossiĭskoĭ nauchno-tekhnicheskoĭ konferent︠s︡ii s mezhdunarodnym uchastiem, 27-29 mai︠a︡ 2008 goda. Kursk: Kurskiĭ gos. tekhn. universitet, 2008.

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Nauchno-tekhnicheskai︠a︡ konferent︠s︡ii︠a︡ s mezhdunarodnym uchastiem "Materialy i uprochni︠a︡i︠u︡shchie tekhnologii -2007" (14th 2007 Kursk, Russia). Materialy i uprochni︠a︡i︠u︡shchie tekhnologii - 2007: Sbornik materialov XIV Rossiĭskoĭ nauchno-tekhnicheskoĭ konferent︠s︡ii s mezhdunarodnym uchastiem. Kursk: Kurskiĭ gos. tekhn. universitet, 2001.

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9

Keane, Robert E. The photoload sampling technique: Estimating surface fuel loadings from downward-looking photographs of synthetic fuelbeds. [Fort Collins, CO]: U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, 2007.

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10

Prinzo, O. Veronika. Automatic Dependent Surveillance-Broadcast/cockpit display of traffic information: Innovations in aircraft navigation on the airport surface. Washington, D.C: U.S. Federal Aviation Administration, Office of Aerospace Medicine, 2004.

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Частини книг з теми "Technological Surface"

1

Zaifuddin, A. Q., M. D. Afiq, M. H. Aiman, M. M. Quazi, and M. Ishak. "Effect of Laser Surface Modification on SS316L Surface Roughness and Laser Heating Temperature." In Technological Advancement in Mechanical and Automotive Engineering, 959–69. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1457-7_74.

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2

Ghosh, Paulomi, Kausik Kapat, and Santanu Dhara. "Polymer Modifications and Recent Technological Advances toward Live Cell Encapsulation and Delivery." In Surface Modification of Biopolymers, 194–223. Hoboken, NJ: John Wiley & Sons, Inc, 2015. http://dx.doi.org/10.1002/9781119044901.ch8.

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3

Wu, Xiaoqin, Limin Tong, and Eric Mazur. "Optical Micro/Nanofiber as Valuable Technological Platform for Lab on Fiber." In Springer Series in Surface Sciences, 27–52. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06998-2_2.

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4

De Loecker, Dimitri. "Maastricht-Belvédère: Interpretation of a Technological Paleo-surface." In Encyclopedia of Global Archaeology, 6635–48. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-30018-0_2245.

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Loecker, Dimitri. "Maastricht-Belvédère: Interpretation of a Technological Paleo-Surface." In Encyclopedia of Global Archaeology, 4575–87. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4419-0465-2_2245.

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6

Novikov, Fedir, Viktor Marchuk, Irina Marchuk, Valentin Shkurupiy, and Vladimir Polyansky. "Technological Support of Surface Layer for Optical Metalware." In Lecture Notes in Mechanical Engineering, 412–21. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68014-5_41.

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7

Tudanca, M., and F. Lopez. "Technological Considerations on Thin Films Process Based on NTa2." In Plasma-Surface Interactions and Processing of Materials, 519–24. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-1946-4_37.

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8

Trudeau, Michel L. "Surface Chemistry and Microstructure Analysis of Novel Technological Materials." In Impact of Electron and Scanning Probe Microscopy on Materials Research, 301–23. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4451-3_12.

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9

Shapar, A. G. "On solving interrelated technological and transport problems for deep open pit mining." In Off-Highway Haulage in Surface Mines, 217–22. London: Routledge, 2022. http://dx.doi.org/10.1201/9780203745090-32.

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10

Chen, Ming Jun, Ying Chun Liang, Y. Z. Sun, W. X. Guo, and Wen Jun Zong. "Research of the Technological Parameters Influencing on the Surface Quality of Micro Complex Surface." In Advances in Abrasive Technology VIII, 513–18. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-974-1.513.

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Тези доповідей конференцій з теми "Technological Surface"

1

Filatova, Elena O., and A. S. Shulakov. "Glass surface atomic structure after technological treatments." In X-ray Optics and Surface Science, edited by Alexander V. Vinogradov. SPIE, 1995. http://dx.doi.org/10.1117/12.200269.

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2

Kodaira, Keiichi. "Technological challenges in the Japan National Large Telescope project (Invited Paper)." In International Symposium on Optical Fabrication, Testing, and Surface Evaluation, edited by Jumpei Tsujiuchi. SPIE, 1992. http://dx.doi.org/10.1117/12.132135.

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3

Yang, Yin, Chen Shuai, and Gui Fan. "The Technological Development and Prospect of Unmanned Surface Vessel." In 2019 IEEE 3rd Advanced Information Management, Communicates, Electronic and Automation Control Conference (IMCEC). IEEE, 2019. http://dx.doi.org/10.1109/imcec46724.2019.8983889.

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4

Belopukhov, Valentin N., Vjacheslav N. Podvigin, Vladimir G. Volostnikov, and O. A. Zajakin. "Technological system for control of bearing ring runway surface." In Fifth International Conference on Industrial Laser and Laser Applications '95, edited by Vladislav Y. Panchenko and Vladimir S. Golubev. SPIE, 1996. http://dx.doi.org/10.1117/12.234233.

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5

Malygin, V. I., L. V. Kremleva, N. S. Oblovatskaya, and N. V. Lobanov. "Dependence of surface roughness on technological conditions of ultrasonic smoothing." In International Conference "Actual Issues of Mechanical Engineering" (AIME 2018). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/aime-18.2018.60.

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6

Qin Shi, Hejun Zhu, Yanhu Zhang, Xijun Hua, and Keyan Dong. "Surface characterization and alternate of related technological parameters for LST." In 2011 Second International Conference on Mechanic Automation and Control Engineering (MACE). IEEE, 2011. http://dx.doi.org/10.1109/mace.2011.5987031.

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7

Frase, H. N., S. S. Wong, C. C. Ahn, and H. A. Atwater. "Analysis of Surface Roughness of Silicon Surfaces by Reflection Electron Energy Loss Spectroscopy." In Microphysics of Surfaces: Nanoscale Processing. Washington, D.C.: Optica Publishing Group, 1995. http://dx.doi.org/10.1364/msnp.1995.mfa4.

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The quantification of semiconductor surface roughness in the 0.5 - 10 nm range is a problem of current scientific and technological interest. Surface roughness measurements are also of great technological interest, particularly for silicon, since the starting surface roughness affects the roughness and ultimate quality of transistor gate dielectrics and other reacted or deposited layers. While atomic force microscopy and other scanning probe methods are now in widespread use for ex situ surface roughness evaluation, this is considerable interest in developing in situ methods for surface roughness measurement during growth or etching. Candidate in situ roughness analysis methods currently include reflection high energy electron diffraction (RHEED) and RHEED oscillations, widely used for monolayer roughness measurements, ellipsometry, and X-ray reflectivity. In this summary, we describe another method: the use of low-loss inelastic electron scattering measurements using reflection electron energy loss spectroscopy (REELS) to investigate silicon surface roughness.
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8

Torims, Toms, Branko Katalinic, Andris Ratkus, Janis Vilcans, and Marcis Zarins. "New In-Situ Technology for Marine Diesel Engine Crankshaft Renovation and its 3D Surface Texture Model." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85354.

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Repairing marine diesel engine crankshafts is a significant part of overall engine repairs and thus is very important for the ship building and ship repair industry. When a ship’s diesel engine is repaired, crankshaft journal surfaces must be renewed according to very precise geometrical and surface roughness requirements. Although current technologies are sufficient to meet these requirements, they are very time consuming and consequently expensive. A comprehensive research into the surface machining of marine diesel engine crankshaft journals allowed to improve technological processes and to identify respective surface roughness parameters, as well as to provide appropriate technological recommendations. It is important to note that crankshaft journal surfaces must be seen as 3D objects, whose micro-topographical surface roughness parameters have to be defined so that they reflect the actual surface. To summarize all available scientific research in this field, we can state that there has been no analysis into the impact of technological regimes on the surface micro-topography of marine engine crankshaft journals. Bearing in mind the aforementioned arguments a study has been launched to develop a novel grinding technology, enabling diesel engine crankshafts with medium-sized crankpin journals to be repaired directly inside the engine housing. This paper covers the following issues: 1) Description of the novel technological equipment for crankshaft journal grinding; 2) 3D roughness model of the crankshaft journal surface; 3) calculation of 3D parameters based on practical metrological and technological characteristics. This technology saves significant financial resources as well as reduces engine repair time. By solving problems related to surface accuracy, it is possible to considerably improve the crankshaft machining process, along with the performance of maintenance operations and consequently the overall quality of repair work. In this paper, the crankshaft journal surfaces will be defined using 3D surface roughness parameters.
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9

Mokritsky, B. Ya, and I. V. Shvetsov. "Diagnostics of the technological cutting system by the processed surface roughness parameters." In PROCEEDINGS OF THE 10TH WORKSHOP ON METALLIZATION AND INTERCONNECTION FOR CRYSTALLINE SILICON SOLAR CELLS. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0112108.

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10

Geykhman, A. M. "Inverse scattering series at the instrument for surface related multiple elimination, technological aspect." In Geophysics of the 21st Century - The Leap into the Future. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.38.f076.

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Звіти організацій з теми "Technological Surface"

1

Borrett, Veronica, Melissa Hanham, Gunnar Jeremias, Jonathan Forman, James Revill, John Borrie, Crister Åstot, et al. Science and Technology for WMD Compliance Monitoring and Investigations. The United Nations Institute for Disarmament Research, December 2020. http://dx.doi.org/10.37559/wmd/20/wmdce11.

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The integration of novel technologies for monitoring and investigating compliance can enhance the effectiveness of regimes related to weapons of mass destruction (WMD). This report looks at the potential role of four novel approaches based on recent technological advances – remote sensing tools; open-source satellite data; open-source trade data; and artificial intelligence (AI) – in monitoring and investigating compliance with WMD treaties. The report consists of short essays from leading experts that introduce particular technologies, discuss their applications in WMD regimes, and consider some of the wider economic and political requirements for their adoption. The growing number of space-based sensors is raising confidence in what open-source satellite systems can observe and record. These systems are being combined with local knowledge and technical expertise through social media platforms, resulting in dramatically improved coverage of the Earth’s surface. These open-source tools can complement and augment existing treaty verification and monitoring capabilities in the nuclear regime. Remote sensing tools, such as uncrewed vehicles, can assist investigators by enabling the remote collection of data and chemical samples. In turn, this data can provide valuable indicators, which, in combination with other data, can inform assessments of compliance with the chemical weapons regime. In addition, remote sensing tools can provide inspectors with real time two- or three-dimensional images of a site prior to entry or at the point of inspection. This can facilitate on-site investigations. In the past, trade data has proven valuable in informing assessments of non-compliance with the biological weapons regime. Today, it is possible to analyse trade data through online, public databases. In combination with other methods, open-source trade data could be used to detect anomalies in the biological weapons regime. AI and the digitization of data create new ways to enhance confidence in compliance with WMD regimes. In the context of the chemical weapons regime, the digitization of the chemical industry as part of a wider shift to Industry 4.0 presents possibilities for streamlining declarations under the Chemical Weapons Convention (CWC) and for facilitating CWC regulatory requirements.
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2

Becker, Kurt H., C. William McCurdy, Thomas M. Orlando, and Thomas N. Rescigno. Current status and future perspectives of electron interactions with molecules, clusters, surfaces, and interfaces [Workshop on Fundamental challenges in electron-driven chemistry; Workshop on Electron-driven processes: Scientific challenges and technological opportunities]. Office of Scientific and Technical Information (OSTI), September 2000. http://dx.doi.org/10.2172/809935.

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