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Co-extrusion of piezoelectric ceramic fibres

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Book Series: Schriftenreihe des Instituts für Keramik im Maschinenbau - IKM ISSN: 14363488 ISBN: 9783866446533 Year: Volume: 57 Pages: XV, 152 p. DOI: 10.5445/KSP/1000022424 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:58
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The present work successfully developed a methodology for fabricating lead zirconate titanate [PZT] thin solid- and hollow-fibres by the thermoplastic co-extrusion process. The whole process chain, that includes: a) compounding, involving the mixing of ceramic powder with a thermoplastic binder, b) rheological characterizations, c) preform composite fabrication followed by co-extrusion,d) debinding and, finally,e) sintering of the body to near full density, is systematically described.

Interdisziplinäre Dokumentations- und Visualisierungsmethoden

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ISBN: 9783700171454 Year: Pages: 216 DOI: 10.26530/oapen_453483 Language: English
Publisher: Verlag der Österreichischen Akademie der Wissenschaften Grant: Austrian Science Fund - PUB 17
Subject: Archaeology
Added to DOAB on : 2013-09-21 22:37:32
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This publication focuses on (natural) scientific methods in studying and analyzing ancient pottery and discusses several case studies of the application on ancient vases stored in the Kunsthistorisches Museum Wien, Universalmuseum Joanneum Graz, and Collection of the Karl-Franzens-Universität Graz. So called non-invasive methods (without sampling) are favored, e. g. using high-resolution computer tomography, X-ray fluorescence analysis.

Pannonische Glanztonware aus dem Auxiliarkastell von Carnuntum

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ISBN: 9783900305444 Year: Pages: 192 DOI: 10.26530/oapen_477713 Language: German
Publisher: Österreichisches Archäologisches Institut Grant: Austrian Science Fund - D 3405
Subject: Arts in general
Added to DOAB on : 2014-05-31 13:20:44
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The "Pannonische Glanztonware" (PGW) is a type of ceramics, which was wide-spread in Pannonia from the end of the 1st well into the 3rd century A.D. It is a product of local potteries, in which the influence of ceramics in the La Tène tradition and of imported Roman ceramics joined to create a new, typical Pannonian ware. In the PGW was produced exclusively table ware. The shapes of the vessels are to a large extent taken over from the Terra Sigillata resp. influenced by it; some of them also show the influence of the raetic-germanic area and the local utility ware. The vessels have a fine paste, a slip and are fired at the beginning of production, in most cases in a reducing atmosphere. But from the beginning oxidized fired pieces also appeared; their portion is - regionally scattered - increasing in the 3rd century. A number of the vessels are decorated in a for typical PGW way with stamps either inside at the base or outside; most of them, however are undecorated. The basis of the investigations into the PGW are the finds, which were unearthened at the excavations 1977-1988 conducted by H. Stiglitz in the auxiliary fort of Carnuntum. The finds of the "Steinkastell I" and the over it lying levelling layer give a representative view of the PGW in the second third of the 2nd century in the area of Carnuntum. On the basis of the finds published here, a open classification-system was created, so that it can be expanded with further finds, which are until now only known from unpublished locations or from other publications. Regarding the material of the vessels five fabrics ("STyp 1-5") and four types of slip ("ÜTyp A-D") could be distinguished. Petrographic and heavy mineral analysis, which were carried out by R. Sauer, showed that the vessels of fabric 2, 3 and 5 were probably produced in the area of Carnuntum. Apart from the emphasis on north-western Pannonia, which results from the basis of the finds of Carnuntum, a summary is given of the spectrum of the PGW, the potter's stamps, workshops and finds from dated locations in eastern and south-western Pannonia. A short discourse on the stamped ceramics found in south-eastern Pannonia, Moesia and Dacia completes the picture.

Habitat et environnement : Prospections dans les marges arides de la Syrie du Nord

Authors: --- --- ---
ISBN: 9782356681874 DOI: 10.4000/books.momeditions.471 Language: French
Publisher: MOM Éditions
Subject: History
Added to DOAB on : 2019-12-06 13:15:38
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Ce quatrième ouvrage de la série « Conquête de la steppe » présente de nouvelles études d’archéologie, de géoarchéologie et d’anthropologie issues d’un important programme de prospection de la zone steppique de la Syrie centrale à l’est de Hama, qui s’est déroulé de 1995 à 2010. Les périodes dont il est question ici vont du PPNB à l’époque contemporaine (VIIIe millénaire av. J.-C.-xxie s. ap. J.-C.). L’adaptation de l’homme à l’environnement est abordée du point de vue de l’acquisition et du stockage de l’eau en milieu aride, grâce aux citernes pluviales, et à travers deux études de cas : celle d’un village du PPNB et celle de deux années pluviométriques extrêmes. Une partie des articles (céramique, monnaies, monuments religieux) éclaire d’un nouveau jour la définition du territoire régional, durant l’Antiquité et par la suite. Des questions de topographie historique sont aussi abordées grâce à la publication de nouvelles inscriptions. Enfin, plusieurs contributions concernent les formes de l’habitat, aussi bien les résidences luxueuses des propriétaires terriens (des époques omeyyade et contemporaine) que les villages byzantins et les processus de sédentarisation à l’époque contemporaine.

Graz, Originalsammlung des Instituts für Archäologie der Karl-Franzens-Universität

Authors: --- --- ---
ISBN: 9783700175292 Year: Pages: 242 DOI: 10.26530/oapen_512622 Language: German
Publisher: Verlag der Österreichischen Akademie der Wissenschaften Grant: Austrian Science Fund - PUB 157
Subject: Arts in general
Added to DOAB on : 2014-12-04 09:02:33
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The volume contains 93 objects originating from workshops of the East Greek Area, the island of Cyprus, the Greek homeland and the Western Mediterranean like South Italy or Etruria.The pieces are shown to a large extent for the first time. Among the geometric pottery a fragment of a monumental crater of the Dipylon workshop is particularly noteworthy, among the Corinthian pottery two large alabastra of the Luxus-group emerge, but the Attic red-figure style is represented as the most prominent by a hydria of the Berlin painter.

Materials for Nuclear Waste Immobilization

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ISBN: 9783039218462 9783039218479 Year: Pages: 220 DOI: 10.3390/books978-3-03921-847-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: General and Civil Engineering --- Technology (General)
Added to DOAB on : 2020-01-30 16:39:46
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The book outlines recent advances in nuclear wasteform materials including glasses, ceramics and cements and spent nuclear fuel. It focuses on durability aspects and contains data on performance of nuclear wasteforms as well as expected behavior in a disposal environment.

Ceramic Conductors

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ISBN: 9783038979562 9783038979579 Year: Pages: 184 DOI: 10.3390/books978-3-03897-957-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Physics (General)
Added to DOAB on : 2019-06-26 08:44:06
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This Special Issue of Crystals contains papers focusing on various properties of conducting ceramics. Multiple aspects of both the research and application of this group of materials have been addressed. Conducting ceramics are the wide group of mostly oxide materials which play crucial roles in various technical applications, especially in the context of the harvesting and storage of energy. Without ion-conducting oxides, such as yttria-stabilized zirconia, doped ceria devices such as solid oxide fuel cells would not exist, not to mention the wide group of other ion conductors which can be applied in batteries or even electrolyzers, besides fuel cells. The works published in this Special Issue tackle experimental results as well as general theoretical trends in the field of ceramic conductors, or electroceramics, as it is often referred to.

Advanced Approaches Applied to Materials Development and Design Predictions

Authors: --- --- --- --- et al.
ISBN: 9783039284122 9783039284139 Year: Pages: 164 DOI: 10.3390/books978-3-03928-413-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: General and Civil Engineering --- Technology (General)
Added to DOAB on : 2020-04-07 23:07:09
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This thematic issue on advanced simulation tools applied to materials development and design predictions gathers selected extended papers related to power generation systems, presented at the XIX International Colloquium on Mechanical Fatigue of Metals (ICMFM XIX), organized at University of Porto, Portugal, in 2018. In this issue, the limits of the current generation of materials are explored, which are continuously being reached according to the frontier of hostile environments, whether in the aerospace, nuclear, or petrochemistry industry, or in the design of gas turbines where efficiency of energy production and transformation demands increased temperatures and pressures. Thus, advanced methods and applications for theoretical, numerical, and experimental contributions that address these issues on failure mechanism modeling and simulation of materials are covered. As the Guest Editors, we would like to thank all the authors who submitted papers to this Special Issue. All the papers published were peer-reviewed by experts in the field whose comments helped to improve the quality of the edition. We also would like to thank the Editorial Board of Materials for their assistance in managing this Special Issue.

Sol-Gel Chemistry Applied to Materials Science

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ISBN: 9783039213535 9783039213542 Year: Pages: 216 DOI: 10.3390/books978-3-03921-354-2 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Chemistry (General)
Added to DOAB on : 2019-12-09 11:49:15
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Sol–gel technology is a contemporary advancement in science that requires taking a multidisciplinary approach with regard to its various applications. This book highlights some applications of the sol–gel technology, including protective coatings, catalysts, piezoelectric devices, wave guides, lenses, high-strength ceramics, superconductors, synthesis of nanoparticles, and insulating materials. In particular, for biotechnological applications, biomolecules or the incorporation of bioactive substances into the sol–gel matrix has been extensively studied and has been a challenge for many researchers. Some sol–gel materials are widely applied in light-emitting diodes, solar cells, sensing, catalysis, integration in photovoltaic devices, and more recently in biosensing, bioimaging, or medical diagnosis; others can be considered excellent drug delivery systems. The goal of an ideal drug delivery system is the prompt delivery of a therapeutic amount of the drug to the proper site in the body, where the desired drug concentration can be maintained. The interactions between drugs and the sol–gel system can affect the release rate. In conclusion, the sol–gel synthesis method offers mixing at the molecular level and is able to improve the chemical homogeneity of the resulting composite. This opens new doors not only regarding

Keywords

sol-gel method --- Fourier transform infrared spectroscopy (FTIR) analysis --- bioactivity --- biocompatibility --- sol–gel method --- organic-inorganic hybrids --- chlorogenic acid --- cytotoxicity --- biocompatibility --- silsesquioxanes --- thiol-ene click reaction --- in situ water production --- hydrophobic coatings --- cotton fabric --- paper --- NMR --- wettability --- sol-gel --- hollow sphere --- 1D structure --- sol-gel --- thin-disk laser --- Yb-doped glasses --- aluminosilicate glasses --- photoluminescence --- ultrasonic spray deposition --- tungsten oxide --- lithium lanthanum titanium oxide --- conformal coating --- Li-ion batteries --- sol-gel technique --- biomaterials --- cell proliferation --- cell cycle --- one transistor and one resistor (1T1R) --- organic thin-film transistor (OTFT) --- resistive random access memory (RRAM) --- sol-gel --- lithium-ion battery --- LiMnxFe(1?x)PO4 --- carbon coating --- pseudo-diffusion coefficient --- potential step voltammetry --- electrochemical impedance spectroscopy --- sol-gel --- oxyfluoride glass-ceramics --- nanocrystal --- optical properties --- sol-gel method --- SiO2–based hybrids --- poly(?-caprolactone) --- TG-DSC --- TG-FTIR --- X-ray diffraction analysis --- computer-aided design (CAD) --- mechanical analysis --- finite element analysis (FEA) --- composites --- organic–inorganic hybrid materials --- biomedical applications --- metal oxides --- multi-layer --- surface plasmon resonance --- optical sensors --- computer-aided design (CAD) --- mechanical analysis --- finite element analysis (FEA) --- composites --- hybrid materials --- biomedical applications

Machining—Recent Advances, Applications and Challenges

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ISBN: 9783039213771 9783039213788 Year: Pages: 554 DOI: 10.3390/books978-3-03921-378-8 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-12-09 16:10:12
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The Special Issue Machining—Recent Advances, Applications and Challenges is intended as a humble collection of some of the hottest topics in machining. The manufacturing industry is a varying and challenging environment where new advances emerge from one day to another. In recent years, new manufacturing procedures have retained increasing attention from the industrial and scientific community. However, machining still remains the key operation to achieve high productivity and precision for high-added value parts. Continuous research is performed, and new ideas are constantly considered. This Special Issue summarizes selected high-quality papers which were submitted, peer-reviewed, and recommended by experts. It covers some (but not only) of the following topics: High performance operations for difficult-to-cut alloys, wrought and cast materials, light alloys, ceramics, etc.; Cutting tools, grades, substrates and coatings. Wear damage; Advanced cooling in machining: Minimum quantity of lubricant, dry or cryogenics; Modelling, focused on the reduction of risks, the process outcome, and to maintain surface integrity; Vibration problems in machines: Active and passive/predictive methods, sources, diagnosis and avoidance; Influence of machining in new concepts of machine–tool, and machine static and dynamic behaviors; Machinability of new composites, brittle and emerging materials; Assisted machining processes by high-pressure, laser, US, and others; Introduction of new analytics and decision making into machining programming. We wish to thank the reviewers and staff from Materials for their comments, advice, suggestions and invaluable support during the development of this Special Issue.

Keywords

dry-cutting --- concrete --- segmented diamond blade --- topography --- diameter variation --- weight loss --- in situ estimation --- SACE-drilled hole depth --- spark-assisted chemical engraving --- glass machining --- computer vision --- electrochemical discharge machining --- butt weld joint --- fatigue --- crack growth rate --- weld reinforcement --- cooling rate --- artificial neutral network --- cutting parameters --- magnesium alloys --- optimization --- prime machining costs --- surface roughness --- electropulsing --- machinability --- chip compression ratio --- current density --- specific cutting energy --- cutting edge microgeometry --- residual stress --- finite element model --- cutting edge preparation --- Inconel 718 --- stiffness properties --- parameter identification --- connections --- machine tool --- response surface methodology --- design of experiments --- modal testing --- plastic zone --- fracture mechanism --- steel sheet --- cutting process --- Huber–Mises stress --- finite element method --- microscopic analysis --- PVD Ti0.41Al0.59N/Ti0.55Al0.45N coating --- cutting temperature --- Inconel 718 --- cutting tool wear --- secondary adhesion wear --- turning --- machining --- aluminium --- flank super abrasive machining (SAM) --- flank milling --- Inconel® 718 --- roughness --- residual stress --- machine vision --- on-machine monitoring --- tool insert condition --- computer numerical control --- turning machine tools --- multi-beam laser --- heat transfer analysis --- fast simulation --- GPU --- analytic solution --- minimum quantity lubrication --- surface grinding --- multi-objective optimization --- grey relational analysis --- surface topography --- sustainable machining --- Gamma-TiAl --- superalloys --- slight materials --- drilling --- titanium aluminides --- additive manufacturing --- single point incremental sheet forming --- residual stresses --- X-ray diffraction --- ultra-precision machining --- slow tool servo --- surface topography --- simulation --- microlens array --- sinusoidal grid --- Milling stability --- variable pitch --- chatter --- self-excitation --- milling --- ceramics --- ductile machining --- PCD --- corner radius --- material removal rate --- adhesive --- machining --- modelling --- dry --- CFRP/UNS A92024 --- induction assisted milling --- tool wear --- taguchi method --- cutting tool --- machining temperatures at two deformation zones --- force–temperature correlation through analytical modeling --- high computational efficiency --- real-time prediction --- hybrid stacks drilling --- minimum quantity lubrication --- hole quality --- tool wear --- WEDM --- EN 31 steel --- surface roughness --- fractal dimension --- ANN --- GA --- cryogenic machining --- cutting tool --- cutting geometry --- titanium --- power consumption --- material-removal rate --- specific energy consumption --- grain density --- modeling --- shape memory alloy --- superelastic nitinol --- WEDM --- heat transfer search algorithm --- DSC test --- shape memory effect --- dish angle --- trochoidal step --- response surface methodology --- surface roughness --- desirability approach --- tool wear --- trochoidal milling --- titanium alloy --- chip morphology --- thin-wall machining --- chatter --- vibration --- deflection --- damping --- prediction --- workholding --- fixture --- dynamic --- stability --- titanium alloys --- machining --- turning --- machinability --- tool wear --- laser-assisted machining --- Taguchi method --- optimal machining conditions --- machining characteristic --- milling --- the cutting force components --- vibrations --- magnesium alloys --- artificial neural networks

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