Application of High Pressures to Ceramics PDF Download
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Author: R. W. Rice
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
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Book Description
The use of pressure, an important variable in the study and especially the processing of ceramics, is first briefly reviewed showing that most pressures used are well below the high pressure range. Three areas of high pressure studies of ceramics that can be important in understanding ceramic behavior and can also be useful in specialized ceramic processing are then briefly outlined: compaction of powder or porous bodies, phase conversion (often with consolidation), and plastic deformation. Formation and consolidation of diamond and cubic BN are only briefly noted since they are extensively addressed elsewhere. It is shown that powder outgassing can be an important problem for some of these processes. Particular attention is given to impact or shock treatment, especially compaction of powders, and to hot extrusion of ceramics, including conventional as well as hydrostatic extrusion. Next, possible future application of high pressure to processing of ceramics is addressed. Explosive compaction of ceramics, especially of certain tougher ceramic composites wherein a synergism may be effective is suggested. Then the past and potential application of high pressure in mechanically working and shaping ceramics is discussed, again in part focused on processing tougher ceramic composites. (Author).
Author: R. W. Rice
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
Get Book Here
Book Description
The use of pressure, an important variable in the study and especially the processing of ceramics, is first briefly reviewed showing that most pressures used are well below the high pressure range. Three areas of high pressure studies of ceramics that can be important in understanding ceramic behavior and can also be useful in specialized ceramic processing are then briefly outlined: compaction of powder or porous bodies, phase conversion (often with consolidation), and plastic deformation. Formation and consolidation of diamond and cubic BN are only briefly noted since they are extensively addressed elsewhere. It is shown that powder outgassing can be an important problem for some of these processes. Particular attention is given to impact or shock treatment, especially compaction of powders, and to hot extrusion of ceramics, including conventional as well as hydrostatic extrusion. Next, possible future application of high pressure to processing of ceramics is addressed. Explosive compaction of ceramics, especially of certain tougher ceramic composites wherein a synergism may be effective is suggested. Then the past and potential application of high pressure in mechanically working and shaping ceramics is discussed, again in part focused on processing tougher ceramic composites. (Author).
Author: A. Bertucco
Publisher: Elsevier
ISBN: 0080533949
Category : Science
Languages : en
Pages : 684
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Book Description
Clear evidence of increasing demands in the processing industry prompted the editors and authors to publish a new book about High Pressure Process Technology: Fundamentals and Applications.This book presents the latest knowledge regarding the high pressure processing aspects combined with that about the modeling, the design and the operation of safe and reliable high pressure plants and equipment. This treatment and selection of the subjects is stimulating and unique. Consisting of nine chapters, each subdivided into several sections, the book addresses the high pressure aspects, providing well selected correlated information connected with a comprehensive overview together with a large number of references. The main body of the first eight chapters refers to subjects like high pressure in general, the thermodynamics and kinetics of the fluids involved, the design of high pressure equipment, the modeling and design of reactors, separation and fractionation units, the safety aspects, the control and economics.In the extended last chapter, examples of promising high pressure applications are explained, such as chemical and enzymatic reactions in supercritical solvents, hydrogenation under supercritical conditions, supercritical water oxidation, polymerization with metallocene catalysts, supercritical extraction, fractionation and precipitation, supercritical pharma processing, ultra-high pressure sterilization and supercritical dry-cleaning.
Author: Murli H. Manghnani
Publisher: American Geophysical Union
ISBN: 0875900666
Category : Mineralogical chemistry
Languages : en
Pages : 457
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Book Description
Author: J. Chen
Publisher: Elsevier
ISBN: 0080457665
Category : Science
Languages : en
Pages : 532
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Book Description
High-pressure mineral physics is a field that is strongly driven by the development of new technology. Fifty years ago, when experimentally achievable pressures were limited to just 25 GPa, little was know about the mineralogy of the Earth's lower mantle. Silicate perovskite, the likely dominant mineral of the deep Earth, was identified only when the high-pressure techniques broke the pressure barrier of 25 GPa in 1970s. However, as the maximum achievable pressure reached beyond one Megabar (100 GPa) and even to the pressure of Earth’s core on minute samples, new discoveries increasingly were fostered by the development of new analytical techniques and improvements in sensitivity and precision of existing techniques. The book consists of six sections which group the papers according to their main topics: a) Elastic and Anelastic Properties; b) Rheology; c) Melt and Glass Properties; d) Structural and Magnetic Properties; e) Diffraction and Spectroscopy; f) Pressure Calibration and Generation. As many papers cover multiple topics, readers may find papers of interest in different sections. All papers are prepared with emphasis on technical details suitable for a technical reference. Many on-line software resources are also listed in as detailed a manner as possible. However, the URL of the software sites may be subject to change without notice. * State of the art in a very important branch of geophysics, namely the experimental determination of material behavior at the extreme conditions of planetary interiors* Emphasis on technical details suitable for a technical reference* Includes many on-line software resources
Author: Josef Matyas
Publisher: John Wiley & Sons
ISBN: 1119211727
Category : Technology & Engineering
Languages : en
Pages : 164
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Book Description
The Ceramic Engineering and Science Proceeding has been published by The American Ceramic Society since 1980. This series contains a collection of papers dealing with issues in both traditional ceramics (i.e., glass, whitewares, refractories, and porcelain enamel) and advanced ceramics. Topics covered in the area of advanced ceramic include bioceramics, nanomaterials, composites, solid oxide fuel cells, mechanical properties and structural design, advanced ceramic coatings, ceramic armor, porous ceramics, and more.
Author: R.A. Graham
Publisher: Trans Tech Publications Ltd
ISBN: 3035739668
Category : Technology & Engineering
Languages : en
Pages : 410
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Book Description
Author: Lee Davison
Publisher: Springer Science & Business Media
ISBN: 1461221943
Category : Science
Languages : en
Pages : 348
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Book Description
Developments in experimental methods are providing an increasingly detailed understanding of shock compression phenomena on the bulk, intermediate, and molecular scales. This third volume in a series of reviews of the curent state of knowledge covers several diverse areas. The first group of chapters addresses fundamental physical and chemical aspects of the response of condensed matter to shock comression: equations of state, molecular-dynamic analysis, deformation of materials, spectroscopic methods. Two further chapters focus on a particular group of materials: ceramics. Another chapter discusses shock-induced reaction of condensed-phase explosives. And a final pair of chapters considers shock phenomena at low stresses from the point of view of continuum mechanics.
Author: Burcu Ertug
Publisher: BoD – Books on Demand
ISBN: 953510974X
Category : Technology & Engineering
Languages : en
Pages : 354
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Book Description
Sintering is one of the final stages of ceramics fabrication and is used to increase the strength of the compacted material. In the Sintering of Ceramics section, the fabrication of electronic ceramics and glass-ceramics were presented. Especially dielectric properties were focused on. In other chapters, sintering behaviour of ceramic tiles and nano-alumina were investigated. Apart from oxides, the sintering of non-oxide ceramics was examined. Sintering the metals in a controlled atmosphere furnace aims to bond the particles together metallurgically. In the Sintering of Metals section, two sections dealt with copper containing structures. The sintering of titanium alloys is another topic focused in this section. The chapter on lead and zinc covers the sintering in the field of extractive metallurgy. Finally two more chapter focus on the basics of sintering,i.e viscous flow and spark plasma sintering.
Author: E.M. Lenoe
Publisher: Springer Science & Business Media
ISBN: 1468439650
Category : Technology & Engineering
Languages : en
Pages : 808
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Book Description
The Sixth Army Materials Technology Conference, IICeramics for High Performance Applications-II I-Reliabilityll , was co-sponsored by the Army Materials and Mechanics Research Center and the U. S. Department of Energy, Office of Transportation Programs . The program highlighted all issues relevant to the reliability of ceramics in advanced systems. The conference emphasized programmatic reviews of the major efforts on ceramic gas turbine technology, on an international basis. The conference showed how ceramic design, materials development, materials processing, NDE, and component systems testing are being integrated and iterated in specific engine development programs . Further , the conference promoted inter change among the various technical disciplines working in the advanced turbine and heat engine areas. This volume will join its earlier companions, Ceramics for High Performance A lications (1974), and Ceramics for High Performance Applications-II 1 7 ,in chronicling the rapid progress being made in the applicaton of ceramics to the very demanding service environ ment of gas turbine and piston engines. At the last meeting of this series at Newport, R t, in March 1977, successful high temperature tests of ceramic components in test rigs were described.
Author: Robert F. Davis
Publisher: Springer Science & Business Media
ISBN: 146848205X
Category : Technology & Engineering
Languages : en
Pages : 835
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Book Description
This volume constitutes the Proceedings of the November 8-10, 1982 Conference on EMERGENT PROCESS METHODS FOR HIGH TECHNOLOGY CERAMICS, held at North Carolina State University in Raleigh. It was the nineteenth in a series of "University Conferences on Ceramic Sci ence" initiated in 1964 by four institutions of which North Carolina State University is a charter member, along with the University of California at Berkeley, Notre Dame University, and the New York State College of Ceramics at Alfred University. More recently, ceramic oriented faculty in departments at the Pennsylvania State University and Case-Western Reserve University have joined the four initial institutions as permanent members of the consortium. These research oriented conferences, each uniquely concerned with a timely ceramic theme, have been well attended by audiences which typically were both international and interdisciplinary in character; their published Proceedings have been well received and are frequently cited. This three day conference addressed the fundamental scientific background as well as the technological state-of-the-art of several novel methods which are beginning to influence present and future directions for non-traditional ceramic processing, thus affecting many of the advanced ceramic materials needed for a wide variety of research and industrial applications. The number, the importance and the application of new ceramic processing techniques have expanded considerably during the last ten years.
