![]() |
Welcome to Loot.co.za!
Sign in / Register |Wishlists & Gift Vouchers |Help | Advanced search
|
Your cart is empty |
||
|
Books > Professional & Technical > Industrial chemistry & manufacturing technologies > Industrial chemistry > Ceramics & glass technology
This book presents selected papers from the 2nd Workshop on "Durability of Composites in a Marine Environment", which was held in Brest, France in August 2016. Providing an overview of the state of the art in predicting the long-term durability of composite marine structures, it addresses modelling water diffusion; damage induced by water accelerated testing, including durability in design; in-service experiences; ocean energy; and offshore applications. Ensuring long-term durability is not only necessary for safety reasons, but also determines the economic viability of future marine structures, and as such, the book is essential reading for all those involved with composites in the marine industry, from initial design and calculation through to manufacture and service exploitation. It also provides information unavailable elsewhere on the mechanisms involved in degradation and how to take account of them.
This book highlights the most essential advances in nanoclay-based nanocomposites, especially natural fibre-reinforced polymer composites. Readers will find extensive information on nanoclay from preparation to applications, and the characterization techniques needed in order to evaluate the resulting properties of nanoclay-based natural fibre-reinforced polymer composites. Topics covered include the characterization of nano-sized clay, chemical modification, and processing techniques for nanocomposites from nanoclay. The book offers a valuable reference guide for academics and industrial practitioners alike.
This book focuses on the applications of bioglasses in the biomedical field. It starts with the history and evolution of bioglasses before moving on to the structure and percolation theory, and lastly investigating their current and potential future applications in various fields including dentistry, tissue engineering, bone regeneration, ophthalmology, and drug delivery. The chapters were written by a team of international experts in the field and will be of great interest not only to material scientists, but also to medical doctors and other health sector professionals.
This thesis investigates the dielectric properties of metal-oxide ceramics at microwave frequencies. It also demonstrates for the first time that a theory of harmonic phonon coupling can effectively predict the complex permittivity of metal oxides as a function of temperature and frequency. Dielectric ceramics are an important class of materials for radio-frequency, microwave and emergent terahertz technologies. Their key property is complex permittivity, the real part of which permits the miniaturisation of devices and the imaginary part of which is responsible for the absorption of electromagnetic energy. Absorption limits the practical performance of many microwave devices such as filters, oscillators, passive circuits and antennas. Complex permittivity as a function of temperature for low-loss dielectrics is determined by measuring the resonant frequency of dielectric resonators and using the radial mode matching technique to extract the dielectric properties. There have been only a handful of publications on the theory of dielectric loss, and their predictions have often been unfortunately unsatisfactory when compared to measurements of real crystals, sometimes differing by whole orders of magnitude. The main reason for this is the lack of accurate data for a harmonic coupling coefficient and phonon eigenfrequencies at arbitrary q vectors in the Brillouin zone. Here, a quantum field theory of losses in dielectrics is applied, using results from density functional perturbation theory, to predict from first principles the complex permittivity of metal oxides as functions of frequency and temperature.
This corrected and expanded printing of Thin Films on Glass describes the development of active and passive thin films on glass at Schott, including recent developments and new technologies in glass ceramic reflectors, coatings on plastics and optical multilayers for ultra narrow band pass filters. Design strategies, the use of conventional and newly developed production technologies, and the application of characterization methods for the structure of thin films and their properties are reported. The book is written by Schott experts and illustrates how the best film materials and deposition and processing parameters may be selected. The topics covered include flip-flop layers, wave-guiding films, Rugate filters and gradient devices, optical transducers, coatings, and mirrors.
This thesis explores the dispersion stability, microstructure and phase transitions involved in the nanoclay system. It describes the recently discovered formation of colloidal gels via two routes: the first is through phase separation and second is by equilibrium gelation and includes the first reported experimental observation of a system with high aspect ratio nanodiscs. The phase behavior of anisotropic nanodiscs of different aspect ratio in their individual and mixed states in aqueous and hydrophobic media is investigated. Distinct phase separation, equilibrium fluid and equilibrium gel phases are observed in nanoclay dispersions with extensive aging. The work then explores solution behavior, gelation kinetics, aging dynamics and temperature-induced ordering in the individual and mixed states of these discotic colloids. Anisotropic ordering dynamics induced by a water-air interface, waiting time and temperature in these dispersions were studied in great detail along with aggregation behavior of nanoplatelets in hydrophobic environment of alcohol solutions.
This book provides an overview of the application of IR spectroscopy in mineralogical investigations, as well as modern trends in the IR spectroscopy of minerals. It includes the most important methodological aspects; characteristic IR bands of different chemical groups and coordination polyhedra; application of IR spectroscopy to the investigation of the crystal chemistry of amphiboles, phyllosilicates, tourmalines etc.; neutral molecules entrapped by microporous minerals; and analysis of hydrogen in nominally anhydrous minerals. About 1600 IR spectra (illustrations as well as a list of wavenumbers) of minerals and some related compounds are accompanied by detailed descriptions of the standard samples used. Each spectrum provides information about the occurrence, appearance, associated minerals, its empirical formula, and unit-cell parameters. The book also provides insights into sample preparation and/or spectrum registration methods. It includes IR spectra of 1020 minerals that were not covered in the book "Infrared spectra of mineral species: Extended library" published in 2014 and written by one of the authors. On average, each page provides information on two minerals/compounds. Subsections correspond to different classes of compounds (silicates, phosphates, arsenates, oxides etc.). About 290 new spectra have been obtained, and the remaining 1310 spectra are taken from most reliable literature sources (published over the last 60 years) and are redrawn in a unified style.
This volume provides expert coverage of the state-of-the-art in sol-gel materials for functional applications in energy, environment and electronics. The use of sol-gel technology has become a hotbed for cutting edge developments in many fields due to the accessibility of advanced materials through low energy processes. The book offers a broad view of this growing research area from basic science through high-level applications with the potential for commercialization and industrial use. Taking an integrated approach, expert chapters present a wide range of topics, from photocatalysts, solar cells and optics, to thin films and materials for energy storage and conversion, demonstrating the combined use of chemistry, physics, materials science and engineering in the search for solutions to some of the most challenging problems of our time.
This thesis provides the first successful study of jump diffusion processes in glasses on the atomic scale, utilizing a novel coherent technique. This new method, called atomic-scale X-ray Photon Correlation Spectroscopy or aXPCS, has only recently been proven to be able to capture diffusion processes with atomic resolution in crystal systems. With this new toolkit for studying atomic diffusion in amorphous systems, new insight into basic processes in a wide range of technically relevant materials, like fast ionic conductors, can be obtained.
In the past ?ve decades considerable attention has been devoted to comp- ite materials. A number of expressions have been suggested by which mac- scopic properties can be predicted when the properties, geometry, and volume concentrations of the constituent components are known. Many expressions are purely empirical or semi-theoretical. Others, however, are theoretically well founded such as the exact results from the following classical boundary studies: Bounds for the elastic moduli of composites made of perfectly coherent homogeneous, isotropic linear elastic phases have been developed by Paul [1] and Hansen [2] for unrestricted phase geometry and by Hashin and Shtrikman [3] for phase geometries, which cause macroscopic homogeneity and isotropy. The composites dealt with in this book are of the latter type. For two speci?c situations (later referred to), Hashin [4] and Hill [5] derived exact - lutionsforthebulkmodulusofsuchmaterials.Hashinconsideredtheso-called Composite Spheres Assemblage (CSA) consisting of tightly packed congruent composite elements made of spherical particles embedded in concentric - trix shells. Hill considered materials in which both phases have identical shear moduli. In the ?eld of predicting the elastic moduli of homogeneous isotropic c- posite materials in general the exact Hashin and Hill solutions are of th- retical interest mainly. Only a few real composites have the geometry de?ned by Hashin or the sti?ness distribution assumed by Hill. The enormous sign- icance, however, of the Hashin/Hill solutions is that they represent bounds which must not be violated by sti?ness predicted by any new theory claiming to consider geometries in general.
These proceedings comprise the peer-reviewed contributions submitted to the 11th International Congress for Applied Mineralogy (ICAM) held July 5-10, 2013, at the Southwest University of Science and Technology (SWUST) in Mianyang, China. The biennial ICAM is the most important gathering of applied mineralogists, organized every other year by the ICAM-Council. The multidisciplinary research presented in this book will be of interest to scientists and professionals dealing with topics like environmental and medical mineralogy; industrial minerals; bio-minerals and biomaterials; advanced materials; process mineralogy; mining and metallurgy; cultural heritage; the interaction of minerals with microorganisms; and solid waste treatment and recycling, including genetic mineralogy. "The field of applied mineralogy has been able to match society's pace by continuously reinventing itself, quickly adopting new technologies and instrumentation as they became available and putting them to work for the service of mankind living in a world that heavily relies on minerals. Over the past few decades, applied mineralogy has evolved into a cutting- edge discipline that leads the way for science, engineering and research and development to benefit society. Contrary to popular belief, mineral resources are limited, and we have an obligation to our heirs to use them responsibly." Dr. Maarten A.T.M. Broekmans Post-President ICAM Council
Twice reprinted and now also available in a paperback edition, this
book has already proved invaluable to a wide range of readers.
Written by a scientist for scientists and technical people, it goes
beyond the subject matter indicated by the title, filling the gap
which previously existed in the available technical literature. It
includes a wealth of information for physicists, chemists and
engineers who need to know more about thin films for research
purposes, or who want to use this special form of solid material to
achieve a variety of application-oriented goals.
This book is devoted to two primary objectives. The first is to present the errors, inadaptability and mistakes arising when the current theory on concrete is applied to explaining practical construction of concrete; the second is to put forward viewpoints in modern concrete science. Taking a number of engineering cases as examples, we experimentally studied and theoretically analyzed the errors, inadaptability, and mistakes when the current theory on concrete is applied to explaining practical construction of concrete. Moreover, we investigated the use of mixing ratios, aggregates, cement, high-performance concrete and fibers, as well as the frost resistance, cracking behavior, durability, dry shrinkage and autogenous healing to address and remedy the shortcomings in today's concrete science, put forward new proposals and make a number of innovative achievements in the field, particularly in modern theory on concrete science. The results and topics which will be of particular interest to engineers and researchers include: corrections to several one-sided, even mistaken views on concrete construction in the field and a new theory that can be adopted to improve the durability of concrete projects, to control and improve the implementation quality of concrete projects and to guide teaching in universities. Wenke Yang is a distinguished senior engineer at China Airport Construction Group Corporation, General Administration of Civil Aviation of China (CAAC).
This book covers the entire spectrum of mineralogy and consolidates its applications in various fields. Its starts (Part I) with the very basic concept of mineralogy describing in detail the implications of the various aspects of mineral chemistry, crystallographic structures and their effects producing different mineral properties. Part II of the book describes different aspects of mineralogy used to extend the studies of geothermobarometry, mineral thermodynamics and phase diagrams, mineral exploration and analysis, including some aspects of marine minerals etc. The book finally handles the applications in industrial, medicinal and environmental mineralogy along with precious semiprecious stone studies. The various analytical techniques, their significance in handling specific types of mineralogical problems are also well covered.
The book depicts comprehensive studies on thermal decomposition of Kaolinite by different physico-chemical methods carried out by various scientists in last 100 years and results of the studies conducted by author in past 33 years. It also provides a critical analysis of different views on Kaolinite-Mullite reaction series, characterization of controversial spinel phase in Kaolinite-Mullite reaction series and explanation of DTA events of Kaolinite. The book helps both researchers and students to realise the new mechanism of transformation of Kaolinite to Mullite. The new reaction processes discussed in the book also help ceramic experts to synthesize Mullite grains in commercial way for production of Mullite porcelain and Mullite refractory.
This collection of 185 papers results from contributions made at
Electroceramics VI which forms part of the joint triple meeting
held in Montreaux, Switzerland in August 1998. The joint meeting
covered recent advances in the broad and rapidly progressing field
of electroceramics, ferroelectrics and polar dielectrics. More than
550 papers were presented at the triple meeting (250 of them at
Electorceramics VI '98) including a series of plenary lectures
highlighting research areas of strong current and emerging
interests. The meeting demonstrated the wide variety of new
applications being developed, based in particular on
ferroelectrics, polar dielectrics, ionic conductors and any other
functional ceramics. In comparison with previous meetings, the present one showed the growing importance of surfaces, interfaces and other boundaries, e.g. domain walls. Size effects and questions related to nanotechnology were comprehensively discussed both on the academic level and for device realizations. Microdevices and their integration problems (and solutions) were at the heart of many reports. The papers reflected the extensive activities in this interdisciplinary area, while the balance between presentations from academic laboratories and from industrial R&D laboratories was a testimony to its vitality. The volume contains 185 papers selected after refereeing of the 220 papers submitted for publication.
This book gives a detailed account of the holistic research carried out on the analytical data obtained historically on the products of the Nantgarw and Swansea porcelain manufactories which existed for a few years only during the second decade of the 19th Century. A background to the establishment of the two factories, which are linked through the persons of the enigmatic William Billingsley and his kiln manager, Samuel Walker, involves the sourcing of their raw materials and problems associated with the manufacture and distribution of the finished products. A description of the minerals and additives used in porcelain production is recounted to set the scene for the critical evaluation of the comprehensive analytical data which have been published on Nantgarw and Swansea porcelains. For the first time, the author has adopted a nondestructive technique, Raman spectroscopy, to interrogate perfect samples of Nantgarw and Swansea porcelain, as well as a selection of shards from an archaeological excavation carried out at a waste dump at the Nantgarw China Works site. Following these experiments, several questions relating to the porcelain bodies of Swansea and Nantgarw china can be answered and a protocol established for the preliminary evaluation of items of suspect attribution to confirm or not the correctness of their assignment to these Welsh porcelain factories.
These proceedings contain the reviewed papers presented at the
Symposium J on "Ion Implantation into Semiconductors, Oxides and
Ceramics," which was held at the Spring Meeting of the European
Materials Research Society in Strasbourg, France, 16-19, June 1998.
The symposium attracted 110 contributions, with authors from 31
nations in 5 continents. It was thereby the largest in a series of
E-MRS ion beam symposia, documenting the importance of ion beam
techniques and research in this area.
This book explores the improvement in thermal insulation properties of protein-based silica aerogel composites fabricated by a novel, inexpensive and feasible method. The resulting material exhibits polymeric foam behavior including high compressibility, super-hydrophobic qualities and excellent strain recovery in addition to low thermal conductivity. The fabrication methodologies are explained in great detail and represented in flowcharts for easy reference and understanding. This monograph gives readers a new perspective on composite fabrication using methods other than the traditional ones and explores the endless ways of altering the composition to modify the properties of the silica aerogel composites. Applications for this novel composite are diverse and range from those in the pharmaceutical and aerospace industries to the oil and gas industries.
"Bioceramics 10" contains the proceedings of the 10th International
Symposium on Ceramics in Medicine, held in Paris, France, in
October 1997. These annual symposia bring together distinguished
researchers in the fields of ceramics and medicine to exchange
ideas and to discuss recent research results. Bioceramics in medicine has become one of the more important
fields of biomaterials. The clinical applications of bioceramics
are numerous. In particular in areas such as orthopaedic surgery,
dentistry and plastic surgery, but also E.N.T., percutaneous
devices and embolisation materials. In addition to the many
clinical applications, "Bioceramics 10" deals with a range of
fundamental subjects in depth. This book will be an essential reference tool for both clinicians, academics and industrial researchers interested in the use of ceramics in medicine. The book will also be of great value to students and lecturers in materials science, biomedical engineering and orthopaedics. This volume contains 140 papers, more than 200 high quality photographs, and both author and keyword indexes.
Ceramic products are fabricated from selected and consolidated raw materials through the application of thermal and mechanical energy. The complex connec tions between thermodynamics, chemical equilibria, fabrication processes, phase development, and ceramic properties define the undergraduate curriculum in Ceramic Science and Ceramic Engineering. Phase diagrams are usually introduced into the engineering curriculum during the study of physical chemistry, prior to specialization into ceramic engineering. This creates an artificial separation between consideration of the equilibrium description of the chemically heterogeneous system and the engineering and physical processes required for phase, microstructure, and property development in ceramic materials. Although convenient for instructional purposes, the separa tion of these topics limits the effective application of phase diagram information by the ceramic engineer in research and manufacturing problem solving. The nature of oxide phases, which define their useful engineering properties, are seldom linked to the stability of those phases which underlies their reliability as engineered products. Similarly, ceramic fabrication processes are seldom dis cussed within the context of the equilibrium or metastable phase diagram. In this text, phase diagrams are presented with a discussion of ceramics' properties and processing. Particular emphasis is placed on the nature of the oxides themselves-their structural and dielectric properties-which results in unique and stable product performance. Any set of systematic property measurements can be the basis for a phase diagram: every experiment is an experiment in the approach to phase equilibrium."
One of the most critical problems we are facing today is acid rain. One of the main causes is the burning of fossil fuels, and as a result, sulfuric acid and carbon dioxide are added to the atmosphere. These gases have detrimental effects on building materials. Thus, there are two problems: (1) to decrease the gas emission, and (2) to produce construction materials more durable to the aggressive pollutant gases and acid rain. The environmental aspects involved in the production and use of cement, concrete and other building materials are of growing importance. CO2 emissions are 0.8-1.3 ton/ton of cement production in dry process. SO2 emission is also very high, but is dependent upon the type of fuel used. Energy consumption is also very high at 100-150 KWT/ton of cement produced. It is costly to erect new cement plants. Substitution of waste materials will conserve dwindling resources, and will avoid the environmental and ecological damages caused by quarrying and exploitation of the raw materials for making cement. To some extent, it will help to solve the problem otherwise en-countered in disposing of the wastes. Partial replacement of clinker or portland cement by slag, fly ash, silica fume and natural rock minerals illustrates these aspects. Partial replacement by natural materials that require little or no processing, such as pozzolans, calcined clays, etc., saves energy and decreases emission of gases. The output of waste materials suitable as cement replacement (slags, fly ashes, silica fumes, rice husk ash, etc.) is more than double that of cement production. These waste materials can partly be used, or processed, to produce materials suitable as aggregates or fillersin concrete. These can also be used as clinker raw materials, or processed into cementing systems. New grinding and mixing technology will make the use of these secondary materials simpler. Developments in chemical admixtures: superplasticizers, air entraining agents, etc., help in controlling production techniques and, in achieving the desired properties in concrete. Use of waste products is not only a partial solution to environmental and ecological problems, it significantly improves the microstructure, and consequently the durability properties of concrete, which are difficult to achieve by the use of pure portland cement. The aim is not only to make the cements and concrete less expensive, but to provide a blend of tailored properties of waste materials and portland cements suitable for specified purpose. This requires a better understanding of chemistry, and materials science. There is an increasing demand for better understanding of material properties, as well as better control of the microstructure developing in the construction material, to increase durability. The combination of different binders and modifiers to produce cheaper and more durable building materials will solve to some extent the ecological and environmental problems.
"Thermal Analysis of Micro-, Nano- and Non-Crystalline Materials: Transformation, Crystallization, Kinetics, and Thermodynamics" complements and adds to volume 8 "Glassy, Amorphous and Nano-Crystalline Materials" by providing a coherent and authoritative overview of cutting-edge themes in this field. In particular, the book focuses on reaction thermodynamics and kinetics applied to solid-state chemistry and thermal physics of various states of materials. Written by an international array of distinguished academics, the book deals with fundamental and historical aspects of phenomenological kinetics, equilibrium background of processes, crystal defects, non-stoichiometry and nano-crystallinity, reduced glass-transition temperatures and glass-forming coefficients, determination of the glass transition by DSC, the role of heat transfer and phase transition in DTA experiments, explanation of DTA/DSC methods used for the estimation of crystal nucleation, structural relaxation and viscosity behaviour in glass and associated relaxation kinetics, influence of preliminary nucleation and coupled phenomenological kinetics, nucleation on both the strongly curved surfaces and nano-particles, crystallization of glassy and amorphous materials including oxides, chalcogenides and metals, non-parametric and fractal description of kinetics, disorder and dimensionality in nano-crystalline diamond, thermal analysis of waste glass batches, amorphous inorganic polysialates and bioactivity of hydroxyl groups as well as reaction kinetics and unconventional glass formability of oxide superconductors. "Thermal Analysis of Micro-, Nano- and Non-Crystalline Materials: Transformation, Crystallization, Kinetics, and Thermodynamics" is a valuable resource to advanced undergraduates, postgraduates, and researches working in the application fields of material thermodynamics, thermal analysis, thermophysical measurements, and calorimetry.
This book highlights the various types of polymer and nanocomposites that can be derived from biorenewable resources. It covers various aspects of biobased polymers and nanocomposites, including preparation, processing, properties, and performance, and the latest advances in these materials. It also includes recent findings from leading researchers in academia and industry, government, and private research laboratories around the globe, providing the latest information on biobased polymers and nanocomposites. Offering an overview of the entire production process, it guides readers through all stages, from the raw source materials, processing and property characterization to application performance. This book is suitable for professionals and researchers seeking in-depth practical information as well as the fundamental science behind this. It also serves as a point of reference for undergraduate and graduate students, as well as postdoctoral researchers working in the area of polymer and composites with a special emphasis on biobased materials. |
You may like...
R-Trees: Theory and Applications
Yannis Manolopoulos, Alexandros Nanopoulos, …
Hardcover
R4,018
Discovery Miles 40 180
Agent-Based Models and Complexity…
Liliana Perez, Eun-Kyeong Kim, …
Hardcover
R4,011
Discovery Miles 40 110
Real-Time Database Systems - Issues and…
Azer Bestavros, Kwei-Jay Lin, …
Hardcover
R5,349
Discovery Miles 53 490
Survey of Text Mining II - Clustering…
Michael W. Berry, Malu Castellanos
Hardcover
R1,543
Discovery Miles 15 430
Titled Corruption - the Sordid Origin of…
John Gordon Swift MacNeill
Paperback
R459
Discovery Miles 4 590
|