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Materiality, Techniques and Society in Pottery Production
Daniel Albero Santacreu presents a wide overview of certain aspects of the pottery analysis and summarizes most of the methodological and theoretical information currently applied in archaeology in order to develop wide and deep analysis of ceramic pastes. The book provides an adequate framework for understanding the way pottery production is organised and clarifies the meaning and role of the pottery in archaeological and traditional societies. The goal of this book is to encourage reflection, especially by those researchers who face the analysis of ceramics for the first time, by providing a background for the generation of their own research and to formulate their own questions depending on their concerns and interests. The three-part structure of the book allows readers to move easily from the analysis of the reality and ceramic material culture to the world of the ideas and theories and to develop a dialogue between data and their interpretation. Daniel Albero Santacreu is a Lecturer Assistant in the University of the Balearic Islands, member of the Research Group Arqueo UIB and the Ceramic Petrology Group. He has carried out the analysis of ceramics from several prehistoric societies placed in the Western Mediterranean, as well as the study of handmade pottery from contemporary ethnic groups in Northeast Ghana.
eBook
The tile book : history, pattern, design
Everywhere in the world, tiles add colour and decoration to the facades and interiors of buildings. Both functional and decorative, and found in a multitude of shapes, sizes and designs - ranging from complex geometrical Islamic patterns to figurative 17th-century Delftware - they are among the most varied ceramic products. This striking book gathers together a diverse collection of ceramic tiles, and explores their rich history, purpose and decorative qualities. An introduction traces the little-known history of tiles, from their earliest mass production in Europe in the 13th century to today, and presents the development of different types of tile. Throughout this stunning book, tiles in every variety of shape are organized chronologically to illustrate the evolution of styles. 'The Tile Book' is luxuriously illustrated, with generous examples of each individual tile type and their overall laid patterns exhibited over double-page spreads. Captions provide descriptions of each tile, with some detailing interesting locations, trends or influential designers. Interspersed in this invaluable sourcebook, are tiles shown in situ around the world and at different periods in their remarkable history. This book is a dazzling mosaic, with colours and patterns that will uplift and inspire.
Book
Advances in ultra-high temperature ceramics, composites, and coatings
Ultra-high temperature ceramics (UHTCs) are generally referred to the carbides, nitrides, and borides of the transition metals, with the Group IVB compounds (Zr & Hf) and TaC as the main focus. The UHTCs are endowed with ultra-high melting points, excellent mechanical properties, and ablation resistance at elevated temperatures. These unique combinations of properties make them promising materials for extremely environmental structural applications in rocket and hypersonic vehicles, particularly nozzles, leading edges, and engine components, etc. In addition to bulk UHTCs, UHTC coatings and fiber reinforced UHTC composites are extensively developed and applied to avoid the intrinsic brittleness and poor thermal shock resistance of bulk ceramics. Recently, highentropy UHTCs are developed rapidly and attract a lot of attention as an emerging direction for ultra-high temperature materials. This review presents the state of the art of processing approaches, microstructure design and properties of UHTCs from bulk materials to composites and coatings, as well as the future directions.
Journal Article
Dual relaxation behaviors and large electrostrictive properties of Bi.sub.0.5Na.sub.0.5TiO.sub.3-Sr.sub.0.85Bi.sub.0.1TiO.sub.3 ceramics
Lead-free ceramics (1 - x)Bi.sub.0.5Na.sub.0.5TiO.sub.3-xSr.sub.0.85Bi.sub.0.1TiO.sub.3 (BNT-xSBT, x = 0.4, 0.5, 0.6 and 0.7) were prepared by a solid-state reaction process. Coexistence of ferroelectric relaxation at low temperature and Maxwell-Wagner dielectric relaxation at high temperature was revealed for the first time in this system. Meanwhile, hysteresis-free P-E loops combined with a very high piezoelectric strain coefficient (d.sub.33) of 1658 pC/N concurrently with large electrostrictive coefficient Q = 0.287 m.sup.4C.sup.-2 were achieved. The ferroelectric relaxor behavior and large electrostrictive strain might be linked to easy reorientation and reversal of ergodic PNRs and the combined effect of Bi off-center position and lone pair electrons.
Journal Article
Suspension plasma spray coating of advanced ceramics : thermal barrier applications
\"Suspension Plasma Spray Coating of Advanced Ceramics presents the significance of suspension plasma spray coating of ceramics for thermal barrier applications. It covers suspension formation and optimization in different oxide and non-oxide mixtures and ceramic matrix composites (CMC) of sub-micron and nanosized powders. The book will be useful for professional engineers working in surface modification and researchers studying materials science. This book discusses advanced topics on nanomaterials coatings in monolithic or composite forms as thermal barriers through organic and non-organic based suspensions using high energy plasma spray methods\"-- Provided by publisher.
Book
Progress of Spark Plasma Sintering (SPS) Method, Systems, Ceramics Applications and Industrialization
The spark plasma sintering (SPS) method is of great interest to the powder and powder metallurgy industry and material researchers of academia for both product manufacturing and advanced material research and development. Today in Japan, a number of SPS products for different industries have already been realized. Today’s fifth-generation SPS systems are capable of producing parts of increasing size, offering improved functionality, reproducibility, productivity, and cost. For instance, pure nano-Tungsten Carbide WC powder (no additives) is fully densified with a nano-grain-sized structure for glass lens application in the optics industry. The SPS is now moving from scientific academia and/or R&D proto-type materials level usage to practical industry use product stage utilizing in the field of electronics, automotive, mold and die, cutting tools, fine ceramics, clean energy, biomaterials industries, and others. This paper reviews and introduces the peculiar phenomenon of SPS and the progress of SPS technology, method, development of SPS systems, and its industrial product applications.
Journal Article
High-temperature mechanical hysteresis in ceramic-matrix composites
\"This book focuses on mechanical hysteresis behavior in different fiber-reinforced ceramic-matrix composites (CMCs), including 1D minicomposites, 1D unidirectional, 2D cross-ply, 2D plain-woven, 2.5D woven, and 3D needle-punched composites. Ceramic-matrix composites (CMCs) are considered to be the lightweight high-temperature materials for hot-section components in aeroengines with the most potential. To improve the reliability and safety of CMC components during operation, it is necessary to conduct damage and failure mechanism analysis, and to develop models to predict this damage as well as fracture over lifetime - mechanical hysteresis is a key damage behavior in fiber-reinforced CMCs. The appearance of hysteresis is due to a composite's internal damage mechanisms and modes, such as, matrix cracking, interface debonding, and fiber failure. Micromechanical damage models and constitutive models are developed to predict mechanical hysteresis in different CMCs. Effects of a composite's constituent properties, stress level, and the damage states of the mechanical hysteresis behavior of CMCs are also discussed. This book also covers damage mechanisms, damage models and micromechanical constitutive models for the mechanical hysteresis of CMCs. This book will be a great resource for students, scholars, material scientists and engineering designers who would like to understand and master the mechanical hysteresis behavior of fiber-reinforced CMCs\"-- Provided by publisher.
BOOK
Large pyroelectric properties at reduced depolarization temperature in A-site nonstoichiometry composition of lead-free 0.94Na.sub.xBi.sub.yTiO.sub.3-0.06Ba.sub.zTiO.sub.3 ceramics
Nonstoichiometry lead-free 0.94Na.sub.xBi.sub.yTiO.sub.3-0.06Ba.sub.zTiO.sub.3 (N.sub.xB.sub.yT-0.06B.sub.zT) (from x = y = 0.5, z = 1.00 to x = 0.5, y = 0.534, z = 1.02) ceramic compositions were prepared by a conventional solid-state route. XRD shows that the compositions are at a morphotropic phase boundary where rhombohedral and tetragonal phases coexist. The depolarization temperature (T.sub.d) can be lowered by modifying x, y and z. The pyroelectric coefficient (p) of nonstoichiometry N.sub.xB.sub.yT-0.06B.sub.zT compositions is greatly increased, compared with stoichiometry NBT-0.06BT composition, from 3.15 x 10.sup.-4 C m.sup.-2 °C.sup.-1 at room temperature (RT) and 23.9 x 10.sup.-4 C m.sup.-2 °C.sup.-1 at T.sub.d, and reaches maxima of 6.99 x 10.sup.-4 C m.sup.-2 °C.sup.-1 at RT and 75.3 x 10.sup.-4 C m.sup.-2 °C.sup.-1 at T.sub.d for x = y = 0.52 and z = 1. The figures of merits, F.sub.i, F.sub.v, and F.sub.D, also have been improved from 1.12 x 10.sup.-10 m v.sup.-1 and 0.021 m.sup.2 C.sup.-1 to 2.50 x 10.sup.-10 m v.sup.-1, 0.047 m.sup.2 C.sup.-1 and 16.63 x 10.sup.-6 Pa.sup.-1/2, respectively, for N.sub.0.52B.sub.0.52T-0.06BT composition at RT. Furthermore, N.sub.0.52B.sub.0.52T-0.06BT composition shows a huge enhancement in F.sub.i, F.sub.v and F.sub.D to 26.9 x 10.sup.-10 m v.sup.-1, 0.39 x 10.sup.-10 m.sup.2 C.sup.-1 and 138.7 x 10.sup.-6 Pa.sup.-1/2, respectively, at T.sub.d. The same composition also presents F.sub.C values which are ~2.58 and ~2.86 (x10.sup.-9 C cm.sup.-2 °C.sup.-1) at RT at 100 and 1000 (Hz). N.sub.0.5B.sub.0.534T-0.06BT and N.sub.0.5B.sub.0.534T-0.06B.sub.1.02T compositions show a large p values at a wide temperature range. The enhanced pyroelectric properties make nonstoichiometry N.sub.0.52B.sub.0.52T-0.06BT composition a promising candidate for pyroelectric and other applications at wide temperatures range.
Journal Article