Academic literature on the topic 'Technical ceramic'

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Journal articles on the topic "Technical ceramic"

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Yibing, Tan. "Technical analysis of water absorption rate of ceramic tiles." E3S Web of Conferences 185 (2020): 04039. http://dx.doi.org/10.1051/e3sconf/202018504039.

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Water absorption is an important physical performance index to measure the quality of architectural ceramics products.The difference of water absorption test results between different laboratories is large, which cannot truly reflect the quality status of products, restricting the quality improvement of ceramic products and restricting the development of enterprises.This paper mainly analyzes the testing technology of water absorption of ceramic tile, and finds that the technical level of testing personnel, test water and vacuum system of equipment are the main factors affecting the results of water absorption test, and puts forward relevant Suggestions, which provides a strong basis for improving the testing technology of ceramic tile in the laboratory.
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Gorman, Jim, and Joel Parry. "The Opportunity of Modern High-Toughness Technical Ceramics for Undersea Systems." Marine Technology Society Journal 55, no. 1 (January 1, 2021): 50–55. http://dx.doi.org/10.4031/mtsj.55.1.3.

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AbstractA confluence of recent developments in the formulation and processing of technical ceramics enables an important opportunity for submersible designers, namely, the reliable use of ceramics having density of near 3 g/cm3, compression strength of >4 GPa, tensile strength of >690 MPa, and fracture toughness (KIc) of 8‐10 MPa-m1/2. Concurrent developments in high-strength brazing of ferrous and nickel-based metals to these tough ceramics enables the integration of pressure envelopes with removable endcaps or ports, as well as optimum stiffener configurations and other internal or external design features. The specific opportunity presented by this confluence of tough ceramics and brazed metallic fittings is the possibility of full-ocean-depth (>6,000 m) dry submersible structures with weight/displacement (W/D) ratio < 0.7, as compared to W/D > 1.0 for metallic structures. Self-buoyant dry hull structures at these depths will greatly expand submersible design options, minimizing the need for full-ocean-depth syntactic foams to float key functionalities. The processing of these ceramics requires a cold isostatic press (CIP) or slip cast “green forming” step, plus sintering to near full density, followed by hot isostatic press (HIP) to final density. Present HIP facilities can support processing of 81-cm diameter × 190-cm-long ceramic vessels and brazing of ceramic/metal assemblies to ~163-cm diameter × 254-cm-long in the United States. If larger ceramic pressure hull components are desired, a “tiled” ceramic structure can be assembled and brazed or bonded together with thin metallic skins in a sandwich structure.
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Shmuradko, V. T., F. I. Panteleenko, O. P. Reut, N. A. Rudenskaya, S. V. Grigoriev, and A. F. Panteleenko. "Technical ceramics: materials-products, principles of formation of composition - structure and properties." NOVYE OGNEUPORY (NEW REFRACTORIES), no. 4 (April 30, 2019): 41–45. http://dx.doi.org/10.17073/1683-4518-2019-4-41-45.

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The analysis of physical and chemical processes and mechanisms of structural engineering in ceramic materials science and technology of technical ceramics when creating materials for various technical purposes is presented. Ill. 1. Ref. 16.
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Lynn, Ciarán J., Ravindra K. Dhir, and Gurmel S. Ghataora. "Sewage sludge ash characteristics and potential for use in bricks, tiles and glass ceramics." Water Science and Technology 74, no. 1 (March 24, 2016): 17–29. http://dx.doi.org/10.2166/wst.2016.040.

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The characteristics of sewage sludge ash (SSA) and its use in ceramic applications pertaining to bricks, tiles and glass ceramics have been assessed using the globally published literature in the English medium. It is shown that SSA possesses similar chemical characteristics to established ceramic materials and under heat treatment achieves the targeted densification, strength increases and absorption reductions. In brick and tile applications, technical requirements relating to strength, absorption and durability are achievable, with merely manageable performance reductions with SSA as a partial clay replacement. Fluxing properties of SSA facilitate lower firing temperatures during ceramics production, although reductions in mix plasticity leads to higher forming water requirements. SSA glass ceramics attained strengths in excess of natural materials such as granite and marble and displayed strong durability properties. The thermal treatment and nature of ceramic products also effectively restricted heavy metal leaching to low levels. Case studies, predominantly in bricks applications, reinforce confidence in the material with suitable technical performances achieved in practical conditions.
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Kolar, D. "Chemical research needed to improve high-temperature processing of advanced ceramic materials (Technical report)." Pure and Applied Chemistry 72, no. 8 (January 1, 2000): 1425–48. http://dx.doi.org/10.1351/pac200072081425.

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Of the principal classes of engineering materials, ceramics are in many ways the most interesting and challenging. Many properties, or combination, of properties, not achievable with other classes of materials give ceramics enormous technical potential. The main obstacles that prevent the wider use of ceramics include insufficient reliability, reproducibility, and high cost. The physical basis of the processing steps is well established, however, the chemical reactions which occur during the high-temperature processing frequently influence the densification process and microstructure development of ceramics in an unpredictable way. Therefore, an ability to understand and control the chemical processes that occur during ceramic processing are necessary to advance and open up new uses for technical ceramics. The aim of this present report, resulting from discussions of an ad hoc group of ceramists and chemists, is to expose the areas of chemical research that can most benefit the processing, and further the use, of ceramic materials.
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Lei, Zheng, Wei Min Zuo, Bao Fu Feng, and Jun Tan Yuan. "A Technical Study of Hole Drilling in Ceramics/FRP Laminate Composite Components." Advanced Materials Research 97-101 (March 2010): 1965–70. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.1965.

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Drilling process of the ceramic composite component (ceramics/FRP/aluminum alloy), as an example of similar ceramics/FRP laminate composite components, was studied intensively. According to the diverse machining properties of the composing materials of ceramic composite components, the special thinwall diamond core bit was developed, with copper based matrix of complex alloy and hot pressing process. Through machining competitive experiments, the feeding mode with constant pressure was determined. After analyzing the diverse hole defects, the process equipment with compressive pre stress was introduced to improve the hole drilling quality, with good validity proved theoretically by the finite element analysis and on this condition, water can be used as the coolant. The process technology presented in this paper can be used for hole drilling in similar composite components made of the same composing materials.
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Garcia-Sanchez, Angela M., Bernardino Machado-Moreira, Mário Freire, Ricardo Santos, Sílvia Monteiro, Diamantino Dias, Orquídia Neves, Amélia Dionísio, and Ana Z. Miller. "Characterization of Microbial Communities Associated with Ceramic Raw Materials as Potential Contributors for the Improvement of Ceramic Rheological Properties." Minerals 9, no. 5 (May 23, 2019): 316. http://dx.doi.org/10.3390/min9050316.

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Technical ceramics are being widely employed in the electric power, medical and engineering industries because of their thermal and mechanical properties, as well as their high resistance qualities. The manufacture of technical ceramic components involves complex processes, including milling and stirring of raw materials in aqueous solutions, spray drying and dry pressing. In general, the spray-dried powders exhibit an important degree of variability in their performance when subjected to dry-pressing, which affects the efficiency of the manufacturing process. Commercial additives, such as deflocculants, biocides, antifoam agents, binders, lubricants and plasticizers are thus applied to ceramic slips. Several bacterial and fungal species naturally occurring in ceramic raw materials, such as Sphingomonas, Aspergillus and Aureobasidium, are known to produce exopolysaccharides. These extracellular polymeric substances (EPS) may confer unique and potentially interesting properties on ceramic slips, including viscosity control, gelation, and flocculation. In this study, the microbial communities present in clay raw materials were identified by both culture methods and DNA-based analyses to select potential EPS producers based on the scientific literature for further assays based on the use of EPS for enhancing the performance of technical ceramics. Potential exopolysaccharide producers were identified in all samples, such as Sphingomonas sp., Pseudomonas xanthomarina, P. stutzeri, P. koreensis, Acinetobacter lwoffi, Bacillus altitudinis and Micrococcus luteus, among bacteria. Five fungi (Penicillium citrinum, Aspergillus niger, Fusarium oxysporum, Acremonium persicinum and Rhodotorula mucilaginosa) were also identified as potential EPS producers.
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Sanz, V., Y. Reig, C. Feliu, Y. Bautista, C. Ribes, and M. Edwards. "Technical Evolution of Ceramic Tile Printing." Journal of Imaging Science and Technology 56, no. 5 (September 21, 2012): 1–7. http://dx.doi.org/10.2352/j.imagingsci.technol.12.56.5.050402.

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Hahn, Eric N., Vincent R. Sherman, Andrei Pissarenko, Samuel D. Rohrbach, Daniel J. Fernandes, and Marc A. Meyers. "Nature's technical ceramic: the avian eggshell." Journal of The Royal Society Interface 14, no. 126 (January 2017): 20160804. http://dx.doi.org/10.1098/rsif.2016.0804.

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Avian eggshells may break easily when impacted at a localized point; however, they exhibit impressive resistance when subjected to a well-distributed compressive load. For example, a common demonstration of material strength is firmly squeezing a chicken egg along its major axis between one's hands without breaking it. This research provides insight into the underlying mechanics by evaluating both macroscopic and microstructural features. Eggs of different size, varying from quail (30 mm) to ostrich (150 mm), are investigated. Compression experiments were conducted along the major axis of the egg using force-distributing rubber cushions between steel plates and the egg. The force at failure increases with egg size, reaching loads upwards of 5000 N for ostrich eggs. The corresponding strength, however, decreases with increasing shell thickness (intimately related to egg size); this is rationalized by a micro-defects model. Failure occurs by axial splitting parallel to the loading direction—the result of hoop tensile stresses due to the applied compressive load. Finite-element analysis is successfully employed to correlate the applied compressive force to tensile breaking strength for the eggs, and the influence of geometric ratio and microstructural heterogeneities on the shell's strength and fracture toughness is established.
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Panteleyenko, Fedor, Andrzej Kuczumow, Jan Sieniawski, Katerina Panteleyenko, Valeri Shmuradko, and Vladimir Korotin. "Mechanisms of technical ceramic density adjusting." MATEC Web of Conferences 297 (2019): 04007. http://dx.doi.org/10.1051/matecconf/201929704007.

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In this paper authors overviewed the most important stages of ceramics production process which give significant influence on final properties of product. Often density and porosity on the all producing stages determines exploitation ceramics properties. A calculation method for fractions ratio selection which provides optimal density is suggested here. Also, density changes during operations of grinding, forming, thermal treatment and sintering a row of specimens are researched and analysed. The data received allow to predict semi products size behaviour while producing and get definite final part with dimension required.
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Dissertations / Theses on the topic "Technical ceramic"

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Misra, Rajnish. "Controlled drying to enhance properties of technical ceramic materials." Thesis, University of Birmingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366120.

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Cummings, Joanna (Joanna Katherine). "Evaluating the technical performance and social acceptability of keg-shaped ceramic water filters in Northern Ghana." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/66829.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2011.
Pages 97 and 98 missing. Cataloged from PDF version of thesis.
Includes bibliographical references (p. 92-96).
The Kosim Water Keg (KWK) is a new ceramic water filter designed have faster filtration rates and integrate better with consumers' water habits. The design seals together two ceramic pot filters (CPFs) to form a keg shape. The keg is submerged in raw water stored in any water vessel, and water is cleaned as it filters into the keg interior, and a siphon extracts the filtered water. The purpose of this thesis is to construct prototype KWKs and test them for bacterial removal, turbidity removal, filtration rate, and siphoning rate. A preliminary consumer study is also included. Eight KWKs were constructed and tested in Tamale, Ghana in January 2011. From January 18 th to 2 5 th, the KWKs were tested using dugout water, a common surface water source in Northern Ghana. The KWKs constructed from Ceramica Tamakloe (CT) filters removed 91.9% of total coliforms and 96.0% of E. coli colonies. The control CT CPFs removed 98.5% of total coliforms and 99.4% of E. coli colonies. KWK turbidity removal averaged 58%, which was lower than the 78% removal achieved by the CPFs. Filtration rates for the KWKs were 9 to 11 liters in the first hour compared to 2 to 3 liters for the CPFs. Water siphons out of the KWKs at 0.59 liters per minute for the first 3 liters, whereas the CPF's spigot averaged 1.42 liters per minute for the first three liters. Five households tried KWKs in their homes, and responses were positive, with households particularly liking that the KWK provided clean water, kept filtered water cool, and worked inside their existing water vessels. They disliked the slow speed of the siphon mechanism. The KWK is a promising product that merits further research. Longer term testing should 1) evaluate product durability; 2) develop a filter cleaning regime; and 3) conduct a more thorough household study. The existing construction design works, but further improvements could be made to the sealant method, the siphon removal mechanism, and the restraint system used to install the KWK.
by Joanna Cummings.
M.Eng.
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Petrick, Kerstin [Verfasser], and K. [Akademischer Betreuer] Emmerich. "How does mineralogy control the technical properties of paper kaolins and ceramic clays? / Kerstin Petrick. Betreuer: K. Emmerich." Karlsruhe : KIT-Bibliothek, 2011. http://d-nb.info/101823263X/34.

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Skokan, Jan. "Vliv plastifikátoru na technologii zpracování a vlastnosti slinovaného keramického mateiálu na bázi SiC." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231997.

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This master’s thesis deals with an influence of physical properties and machining technology at adjustment to the basic composition granules and production of technical ceramics. Selected series of experiments have been applied to the different phases of production. Composition of the granules vary according to the used plasticizer and ranks to RTP (ready-to-press) materials. The goal of this thesis is recomendation to the production of RTP granules and next experiments.
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Nichols, Gail 1953. "Technical and aesthetic investigations in soda glaze ceramics." Monash University, Gippsland Centre for Art and Design, 2001. http://arrow.monash.edu.au/hdl/1959.1/8684.

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Zvolský, Dalibor. "Minipivovar ve Vyškově." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226589.

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The master’s Thesis – Minibrewery in Vyškov, has a form of project documentation which contains relevant requirements according to valid regulations. The proposed building is situated on the plot number 2123/72 in the city Vyškov. It is a detached building which stands separately on the flat terrain. It is a two-storey building with partial basement. It is formed from three units – a minibrewery, a brasserie with kitchen and an administrative part. It is made of monolithic reinforced concrete frame, brick blocks with vegetative flat roof. The upper level attic gable is at the height of 8,880 meters. The seminar paper – minibrewery in Vyškov – is a part of the Master’s Thesis.
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Charnot, Marie. "Réseaux d'échanges, processus de transmission et identités sociales : les traditions techniques de la céramique de la région des Trois-Lacs et ses marges (3600-3000 avant notre ère)." Thesis, Bourgogne Franche-Comté, 2019. https://nuxeo.u-bourgogne.fr/nuxeo/site/esupversions/de7f1831-b04e-48a8-840d-a0459b455a36.

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En Europe de l’ouest, la deuxième moitié du IVe millénaire est une période charnière. Sur l’ensemble du Plateau suisse, elle est caractérisée par la fin des cultures du Néolithique moyen (Cortaillod et Pfyn) vers 3550 av. n. è. et l’émergence du Horgen oriental et occidental après 3250 av. n. è. La transition entre ces deux phases est aujourd’hui mieux documentée grâce à des occupations de type Port-Conty et Pfyn/Horgen datés vers 3400 av. n. è. Ce travail propose d’identifier le substrat culturel à l’origine du Horgen par la mise en évidence des identités techniques et des réseaux d’échanges de la seconde moitié du IVe millénaire, puis par l’identification sur le temps long de la transmission ou l’abandon de certaines manières de faire afin de déterminer quelle est la part des substrats locaux dans la mise en place du Horgen.Nous proposons de reprendre ces questions par l’étude technologique des productions céramiques en 3650 et 3000 av. n. è. dans la région des Trois-Lacs et ses marges. Le façonnage des fonds, qui met en jeu des habitudes motrices acquises durant l’apprentissage initial, est considéré comme un bon indicateur pour la mise en évidence des traditions techniques. Cette séquence de la chaîne opératoire a montré une grande diversité dans les techniques utilisées, et ce sans corrélation directe avec les morphologies céramiques. Cette analyse a donc confirmé l’existence de réseaux d’échanges avec, parfois, l’identification de contacts directs. Elle a aussi permis de proposer des frontières techniques limitant l’aire de répartition de l’une ou l’autre des traditions techniques, et dont la position et le rôle semblent avoir changé au cours du temps. En effet, il a aussi été possible de caractériser le phénomène de transmission, que ce soit à l’échelle individuelle avec l’identification de vases d’apprentissage, ou collective et sur le temps long avec la transmission, l’abandon ou l’émergence de techniques sur plusieurs siècles
In Western Europe, the second half of the 4th millennium is a turning point. On the Swiss Plateau, this phase is characterized by the end of Middle Neolithic cultures (Cortaillod and Pfyn) around 3550 BCE, and the emergence of Horgen after 3250 BCE. The transition between these two phases is now better documented thanks to Port-Conty type and Pfyn/Horgen settlements dated around 3400 BCE. This work aims to identify the cultural substract at the origin of the Horgen by characterizing the technical identities and entanglements at the end of the 4th millennium, then by identifying over time the transmission or abandonment of certain ways of making pots in order to determine the share of local identities in the establishment of the Horgen.We propose to take up these questions by studying the technological aspects of pottery production between 3650 and 3000 BCE in the Trois-Lacs region and its margins. The shaping of bases, which involves motor habits acquired during the initial learning process, is considered as a good indicator for highlighting technical traditions. This sequence of the “chaîne opératoire” shows a great diversity in the used techniques without any direct correlation with ceramic morphologies. The analysis proposed here has therefore confirmed the existence of entanglements with, sometimes, an identification of direct contacts. It has also made it possible to propose technical boundaries that limit the range of one or other of the technical traditions, and whose position and role seem to have changed over time. Indeed, the detailed study of these corpora has made it possible to characterize the phenomenon of transmission, whether at the individual level with the identification of learning pots, or at the collective level and over time with the transmission, abandonment or emergence of techniques over several centuries
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Habovštiaková, Mária. "Elektroerozivní drátové řezání technické keramiky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417109.

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The presented diploma thesis deals with the issue of wire electrical discharge machining of SiSiC ceramics. The first part explains the principles of electrical discharge machining, describes the WEDM technology and presents the properties of the advanced ceramics. The second part consists of a detailed analysis of the cutting process of eighteen samples obtained with systematically changing process parameters. Based on the obtained results from EDX analysis, SEM electron microscopy and topography there was performed an analysis of the influence of process parameters on the cutting speed, surface roughness, kerf width and number of wire breaks with usage of the selected brass cutting wire. From the evaluated results it was possible to select a combination of parameters that ensured a stable machining process.
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Kudrna, Tomáš. "Elektroerozivní hloubení technické keramiky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417445.

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The master’s thesis deals with the topic of electrical discharge machining. The first part of the thesis contains a study of the die-sinking EDM. The die-sinking EDM of the silicon carbide ceramic is realized in the experimental part of the thesis. The result of this work was to explore the influence of the EDM sinking parameters, specifically pulse current, open-voltage and pulse on-time, on the machined surface. Furthermore, the analysis of the tool electrode was made. This analysis was focused on the wear in the corners, which has key influence on accuracy of the machining. The machining time was also examined.
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Zhai, Yi. "Échanges artistiques entre l'Iran et la Chine (13e-14e siècle) : textiles et céramiques." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM3080/document.

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Le présent travail porte sur les échanges artistiques entre l’Iran et la Chine observés sur le textile et la céramique du 13e au 14e siècle. Les discussions dans cette étude s’appuient sur une analyse des caractéristiques de transferts connus : par exemple, existence de transfert technique, relation entre deux véhicules (textile et céramique) des échanges artistiques et propre intention des Mongols. Trois parties composent ce travail, d’après les différents corpus. Les deux premières se consacrent séparément aux corpus de textiles concernant le textile à fil d’or et celui de céramiques. La première partie comporte un catalogue des spécimens textiles et d’analyser les changements artistiques. Dans la deuxième partie, l’examen scientifique permet d’évaluer l’échange technique potentiel. Dans la dernière partie, deux groupes de motifs (motifs représentant l’autorité et motifs de scène de chasse) sont comparés sur les spécimens textiles et céramiques. Le transfert de ces motifs concrets dévoile des relations culturelles essentielles entre des peuples non-sédentaires (les Khitan, les Jurchen et les Mongols) au nord de l’Asie. En conclusion, les différences entre les échanges artistiques représentés sur le textile et ceux sur la céramique montrent une une contradiction avec l’idée que le textile soit un médiateur de la céramique ilkhanide pour le transfert artistique. Ces différences sont fondamentalement liées avec les charactéristiques de la nature et les qualités sociales de chaque matérial. Dernièrement, l’intention des dominants mongols, comportant des successions culturelles de peuples non-sédentaires, est représentée par les échanges artistiques à l’époque
This paper presents studies on the artistic exchanges between Iran and China observed on textiles and ceramics from the 13th to 14th century. It presents detailed analysis of three important characteristics of the artistic transfers : namely the existence of potential technique transfer, the relation between the two materials (textile and ceramic) during the artistic exchange, and the intention of the Mongols, based on existing corpus The first part of paper is devoted to textile corpus, particularly the textile with golden thread, featuring a catalog of textile samples. The second part presents in depth discussions of the ceramic corpus and questions the potential technical exchange of pottery , followed by comparisons based on actual data. The third part presents comparisons of the patterns observed in both textiles and ceramics specimens, suggesting that the transfer of the concrete motifs reveals the essential cultural relations between the non-sedentary peoples (the Khitan, the Jurchen, the Mongols) of northern Asia. The conclusions of the studies are threefold. First, the technical transfer can be only confirmed in the textile domain. Second, the differences of the artistic exchanges between the textile and the ceramic are closely related to the natural characteristics and the social value of each material, which challenges the previous idea that the textile would be considered as the mediator for the Il-khan ceramic during the artistic transfer. The last but not the least, the cultural relationship between the non-sedentary peoples is clearly represented by the artistic exchanges under the domination of the Mongols
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Books on the topic "Technical ceramic"

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Lay, Lewis. Corrosion resistance of technical ceramics. 2nd ed. London: H.M.S.O., 1991.

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Henry, Desmond Paul. Development of BEM for ceramic composites: Fourth annual status report, January, 1991 - December 1991 : technical report. Buffalo, N.Y: Calspan-UB Research Center, 1991.

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Hussey, Bob. Advanced technical ceramics directory and databook. London: Chapman & Hall, 1998.

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Laidman, Roberta. Slab building illustrated: A technical guide for the ceramic sculptor. [California]: Laidman Dog Press, 1994.

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Conrad, John W. Advanced ceramic manual: Technical data for the studio potter. San Diego, CA: Falcon Co., 1987.

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Misra, Rajnish. Controlled drying to enhance properties of technical ceramic materials. Birmingham: University of Birmingham, 2000.

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Evele, Holger, Peter Vodak, and William D. Faust, eds. 68th Porcelain Enamel Institute Technical Forum: Ceramic Engineering and Science Proceedings. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470291382.

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Abraham, Thomas. Advanced ceramics opportunities: A technical economic and market analysis. Norwalk, CT: Business Communications Co., 1997.

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Nauchno-tekhnicheska konferent͡sii͡a s mezhdunarodno uchastie na tema Stŭklo i fina keramika (10th 1990 Varna, Bulgaria). X National Scientific and Technical Conference, with International Participation, Glass and Fine Ceramics: International House of Scientists F.J. Curie, Drouzhba Resort, Varna, Bulgaria, 18-20 October, 1990 : summaries. [Varna?: s.n., 1991.

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Evele, Holger, Peter Vodak, and William D. Faust, eds. 69th Porcelain Enamel Institute Technical Forum: Ceramic Engineering and Science Proceedings, Volume 28, Issue 10. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470614488.

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Book chapters on the topic "Technical ceramic"

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Hessenkemper, H. "Basic Considerations and Technical Aspects Concerning Glass Conditioning." In Ceramic Transactions Series, 291–97. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118405949.ch28.

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Lewis, Wesley A. "Variables Encountered in Dry Pressing Technical Ceramics." In Ceramic Engineering and Science Proceedings, 137–43. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470314807.ch20.

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Williams, Mark C., Joseph P. Strakey, and Wayne A. Surdoval. "U.S. Doe Solid Oxide Fuel Cells: Technical Advances." In Ceramic Engineering and Science Proceedings, 15–22. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470291245.ch2.

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Lewis, M. H., S. Mason, and A. Szweda. "Syalon Ceramic for Application at High Temperature and Stress." In Non-Oxide Technical and Engineering Ceramics, 175–90. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-3423-8_13.

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McDonnell, L., and E. M. Cashell. "Non-destructive Evaluation of Ceramic Surfaces and Sub-surfaces." In Non-Oxide Technical and Engineering Ceramics, 213–21. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-3423-8_16.

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Begley, Richard, and Don Osborne. "Ltght Emitting Ceramic Devices (LECD)." In 68th Porcelain Enamel Institute Technical Forum: Ceramic Engineering and Science Proceedings, 135–42. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470291382.ch13.

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Singh, Mrityunjay, Tatsuki Ohji, Rajiv Asthana, and Sanjay Mathur. "Ceramic Integration across Length Scales: Technical Issues, Challenges, and Opportunities." In Ceramic Integration and Joining Technologies, 1–14. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118056776.ch1.

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Wheeler, Fred S. "Computerized Robotic Systems for Technical Ceramics." In Materials & Equipment/Whitewares: Ceramic Engineering and Science Proceedings, Volume 7, Issue 11/12, 1327–28. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470320365.ch21.

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Burzacchini, Bruno. "Technical Developments in Ceramic Tile Glazes and Related Applications." In Materials & Equipment/Whitewares: Ceramic Engineering and Science Proceedings, Volume 12, Issue 1/2, 261–74. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470313183.ch30.

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Fessler, H., and D. C. Fricker. "Failure Probability of Shouldered and Notched Ceramic Components Using Neuber Notch Theory." In Non-Oxide Technical and Engineering Ceramics, 319–39. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-3423-8_23.

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Conference papers on the topic "Technical ceramic"

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Eschenauer, Hans A., and Thomas Vietor. "Application of Stochastic Optimization Techniques at the Example of Ceramic Turbine Disks." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0418.

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Abstract In comparison to metallic materials, ceramic materials are very brittle which has made a wide use of them difficult up to now. For this reason, stochastic failure criteria, which differ considerably from those of ductile materials, have to be formulated and calculated mathematically. Because of high specific elasticity and stiffness properties, the ceramics are suitable for the layout of rotating components with a high rotating velocity. In order to find the optimal layout of a component made of ceramic materials, a stochastic optimization problem has to be defined and solved. A ceramic turbine disk has been chosen to demonstrate the shape optimization and the application of the stochastic optimization. By means of the functional-efficient boundaries and the associated optimal contours of the component conventional ductile materials are compared with ceramics for this application example. Herewith, the range of application of the materials examined can be determined.
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Landry, C., P. K. Dubois, N. Courtois, F. Charron, M. Picard, and J. S. Plante. "Development of an Inside-Out Ceramic Turbine." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57041.

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Ceramic turbines could substantially increase operating temperatures of turbomachinery without the need of blade cooling, leading to higher conversion efficiency and power density. However, the inherent brittleness and low tensile strength of ceramic materials limits the use of hub-based ceramic turbines. This paper presents a novel inside-out turbine architecture, permitting the use of monolithic ceramic blades. The proposed architecture uses a carbon-polymer composite rim which converts the rotor radial loads to tangential hoop stress. The blades mainly support compressive loads, minimizing tensile stresses within the blade and thus crack propagation. This allows the use of low tensile strength ceramics which cannot be used in standard hub-based turbines. The rotor hub is comprised of two radially flexible C-shaped hubs, which have sufficient compliance to follow radial displacement of the heavily loaded composite rim. The feasibility of the proposed inside-out ceramic turbine is demonstrated by addressing the four key challenges of the architecture using proof-of-concept prototypes, namely: (1) rotor dynamics of the flexible hub; (2) thermal viability of the composite rim (3) local tensile stress in the blades, and (4) thermal shock in the ceramic blades in transient mode. Experimental validation with an alumina blade confirms that this architecture supports the use of low tensile strength, brittle ceramic blades.
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Kübler, Jakob J., and Roger Morrell. "European Standardization Activities for Advanced Technical Ceramics." In ASME 1993 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/93-gt-158.

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A summary of the progress being made in Europe towards the provision of standards for advanced technical ceramics is given. Under CEN Technical Committee 184, working groups have been preparing more than 40 standards in the areas of classification, powders, monolithic ceramics, long-fibre composites and ceramic coatings. The target date for this work was the end of 1992. Considerable progress has been made, and by the end of 1993, most of these should have been published. It is hoped that the formation of this standards base will improve the quality of testing and the reliability of property data on this class of materials, and thus improve confidence in their use as engineering materials.
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Lu, J., T. Murai, K. Takaichi, T. Uematsu, K. Misawa, M. Prabhu, K. Ueda, H. Yagi, and T. Yanagitani. "High power Nd:YAG ceramic laser." In CLEO 2001. Technical Digest. Summaries of papers presented at the Conference on Lasers and Electro-Optics. Postconference Technical Digest. IEEE, 2001. http://dx.doi.org/10.1109/cleo.2001.948166.

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Erazo, Fabian, Taylor Robertson, Xiao Huang, Rick Kearsey, and Qi Yang. "Erosion Properties of Ceramic Composite Material Based on Nano-Mullite Whisker and Zirconia-Toughened Alumina." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63736.

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The improvement of bulk ceramic properties through the addition of a secondary or even tertiary phase is a field of research that has been actively pursued since the mid twentieth century. This pursuit has become more relavent with the adoption of ceramic phases to protect structural components within the hotpath of gas turbines. Improving the properties of these ceramic coatings and tiles has the potential of reducing catastrophic damage events leading to an overall reduction in unplanned maintence and downtime. To date, Several approaches have been undertaken to improve the physical properties of these ceramics including preferential microstructural grain growth and doping to develop metastable crystal phases. This paper examines the effect of whisker additions to a mechanical mixture of oxide ceramics on the erosion properties. The baseline structure is a mechanical mixture of zirconia and alumina particles in the ratio of 89.8vol% alumina to 10.2vol% partially stabalized zirconia. A ratio of 20.0vol% mullite whiskers is incorporated into the structure as a toughening agent. The mullite whiskers are grown using a molten salt method. The overall structural composition is 20.0vol% mullite whiskers, 8.2vol% partially stabilized zirconia, and 71.8vol% alumina. This whisker toughened material is compared to a baseline 89.8vol% alumina 10.2vol% zirconia ceramic. Erosion tests were conducted using a 50 μm diameter alumina erodant with a velocity of 104 m/s. Impingement angles of 30°, 60° and 90° were examined to determine the effect of whisker additions at steeper attack angles. Despite the increased hardness, tensile strength and fracture toughness, whisker-enhanced zirconia-toughened alumina has shown similar erosion rate as non-reinforced ZTA at 30° ad 90° and much higher erostion at 60°. It can be surmised that whisker-enhanced toughening of ceramics has little positive effect on the erosion resistance of ceramics at room temperature and is potentially harmful. Microstructure analysis results are also presented within to illustrate the erosion material removal mode under different conditions.
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Jadaan, Osama M., K. C. Liu, and H. Pih. "Fatigue Evaluation in Ceramic Materials by Acoustic Emission." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0065.

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Abstract Progressive damage due to tension-tension cyclic fatigue loading for three distinct ceramic materials was evaluated using the acoustic emission (AE) technique. The objective of this study was to determine the capabilities of the AE method to detect the imminence of failure and to locate potential fracture sites. Results indicated that the AE technique was capable of predicting failure by showing an increase in energy/count rate prior to failure. Although potential fracture sites can be identified, exact location of the final fracture site can be known only when catastrophic failure takes place.
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Segall, A. E., J. R. Hellmann, and R. E. Tressler. "Thermal Shock and Fatigue Behavior of Ceramic Tubes." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0064.

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Abstract A narrow circumferential helium quench was used to thermally shock and fatigue internally heated alumina, reaction bonded, and sintered alpha silicon carbide tubes at 500°C and 1000°C. During these tests, transient temperature measurements required for thermal and stress-profile calculations were obtained through the use of micro-thermocouples positioned along the internal surface of the tubes. Acoustic emissions were also employed for in situ monitoring of crack initiation and propagation of the resident flaw populations during the single and repeated (up to 5) thermal shocks. Post-quench inspections and destructive burst tests were used to correlate the existence, extent, and statistical (Weibull) nature of the damage induced by the cycling. Results indicated progressive strength degradation in alumina tubes with repeated thermal cycles. In contrast, the thermally-cycled silicon carbide samples either showed no damage at all, or suffered minimal progressive strength degradation after the first cycle. In any case, the complex stress distributions computed from an FEA-based inverse heat transfer analysis were required to understand the observed damage (crack paths) and apparent fatigue behavior.
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Boyd, G. L., M. L. Easley, and D. M. Kreiner. "AGT101: Ceramic Gas Turbine Development." In ASME 1987 International Gas Turbine Conference and Exhibition. American Society of Mechanical Engineers, 1987. http://dx.doi.org/10.1115/87-gt-228.

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A major technical effort has resulted in recent testing of the all-ceramic hot section in the DOE/NASA sponsored AGT101 Advanced Gas Turbine. This testing was preceded by critical component developments including ceramic structures design evolution to satisfactorily pass the peak stress start transients with 25-percent margin. Ceramic structures test evaluation at 2500F (1371C), ceramic combustor operation on various fuels and ceramic static seal leakage reduction have been necessary for the ceramic engine test. The most challenging ceramic component, the turbine rotor, has undergone successful fabrication development, but further process and material development are necessary to meet the high temperature durability goals. The 100-hour engine test of the ceramic structures to 2100F (1149C), and the later 85-hour engine test of the all-ceramic hot section to 2200F (1204C) have been important program accomplishments. Full speed operation to 100,000 rpm and a ceramic rotor tip speed of 2300 ft/sec (701 m/s) has been demonstrated. The ability of these experimental gas turbines to operate in a regime where the unique properties of structural ceramics can be exploited offers the opportunity to further advance ceramic technology.
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Warren, Peter, Ranajay Ghosh, Sanjida Jahan, and Seetha Raghavan. "Investigating Load Transfer in Ceramic Reinforcements." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-77068.

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Ceramic composites are critical to advance the performance of engines, reducing weight and enhancing fuel efficiency in their use as structural parts or protective coatings. Understanding load transfer between the reinforcements and matrix materials that constitute these composites hold the key to elucidating their mechanical properties and consequent behavior in operation. In this work, finite element (FE) simulations of loading effects on representative embedded alumina particles in a matrix were investigated and compared with experimental results. Mechanical loading effects on alumina nanoparticle composites can be captured with Photo stimulated luminescent spectroscopy (PSLS), where spectral shifts from the particles are monitored with load. The resulting piezospectroscopic (PS) coefficients are then used to calculate load transfer between the matrix and particle. The results from the simulation and experiments are shown to be in general agreement of increase in load transferred with increasing particle volume fraction due to contact stresses that are dominant at these higher volume fractions. Results from this work present a combination of analytical and experimental insight into the effect of particle volume fraction on load transfer in ceramic composites that can serve to determine properties and eventually optimize various parameters such as particle shape, size and dispersion that govern the design of these composites prior to manufacture and testing.
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Longbiao, Li. "Thermomechanical Fatigue of Ceramic Matrix Composites." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-90067.

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Abstract In this paper, the thermomechanical fatigue (TMF) of fiber-reinforced ceramic-matrix composites (CMCs) is investigated using the hysteresis-based damage parameter. The micro stress field of the damaged CMCs of matrix cracking and fiber/matrix interface debonding is obtained considering the temperature-dependent fiber/matrix interface shear stress. The fiber/matrix interface debonded length and unloading/reloading slip length are determined using the fracture mechanics approach. Based on the damage mechanisms of fiber sliding relative to the matrix in the interface debonded region, the TMF hysteresis loops models and hysteresis-based damage parameters are developed for the partially and completely debonding to analyze the damage evolution inside of fiber-reinforced CMCs. The effects of temperature, phase angle and loading sequences on the damage development of SiC/SiC composite are discussed. When TMF temperature range increases, the fatigue hysteresis loops area, residual strain increase, and the hysteresis modulus decreases, due to the increase of the fiber/matrix interface slip length. Under TMF loading, the phase angle affects the interface debonding and sliding range, and the hysteresis loops shape, location and area of the fiber-reinforced CMCs. The experimental TMF damage evolution of 2D SiC/SiC and cross-ply SiC/MAS composites are predicted.
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Reports on the topic "Technical ceramic"

1

Hurley, J. P. Support services for Ceramic Fiber-Ceramic Matrix Composites. Annual technical progress report. Office of Scientific and Technical Information (OSTI), September 1995. http://dx.doi.org/10.2172/101035.

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Hurley, J. P., and J. W. Nowok. Support services for ceramic fiber-ceramic matrix composites. Annual technical progress report. Office of Scientific and Technical Information (OSTI), December 1996. http://dx.doi.org/10.2172/458591.

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Hurley, J. P., and V. Kuehnel. Support services for ceramic fiber-ceramic matrix composites. Annual technical progress report. Office of Scientific and Technical Information (OSTI), June 1998. http://dx.doi.org/10.2172/290944.

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K. Durai-Swamy. High flux ceramic membrane for hydrogen separation. Final technical progress report. Office of Scientific and Technical Information (OSTI), May 1999. http://dx.doi.org/10.2172/770571.

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Richerson, D. W. Technical progress report during Phase 1 of the continuous fiber ceramic composites program. Office of Scientific and Technical Information (OSTI), March 1994. http://dx.doi.org/10.2172/143971.

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Myers, B. R., W. Brummond, G. Armantrout, H. Shaw, C. M. Jantzen, A. Jostons, M. McKibben, D. Strachan, and J. D. Vienna. Technical evaluation panel summary report. Ceramic and glass immobilization options fissile materials disposition program. Office of Scientific and Technical Information (OSTI), December 1997. http://dx.doi.org/10.2172/8030.

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Chen, I.-Wei. Final technical report to Department of Energy, Basic Energy Sciences. ''Oxide ceramic alloys and microlaminates'' (1996-1999) and ''Low temperature processing and kinetics of ceramics and ceramic matrix composites with large interfacial areas'' (1999-2000). Office of Scientific and Technical Information (OSTI), March 2001. http://dx.doi.org/10.2172/808312.

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Zhao, P., S. Roberts, and W. Bourcier. Technical Progress Report on Single Pass Flow Through Tests of Ceramic Waste Forms for Plutonium Immobilization. Office of Scientific and Technical Information (OSTI), December 2000. http://dx.doi.org/10.2172/15004690.

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Zhao, P., S. Roberts, and W. L. Bourcier. Technical Progress Report on Single Pass Flow Through Tests of Ceramic Waste Forms for Plutonium Immobilization. Office of Scientific and Technical Information (OSTI), December 2000. http://dx.doi.org/10.2172/802610.

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Payne, J. E., and M. V. Nevitt. Characterization and thermophysical properties of Bi-based ceramic superconductors. Final technical report, June 1, 1993--September 30, 1997. Office of Scientific and Technical Information (OSTI), April 1998. http://dx.doi.org/10.2172/604332.

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