Mechanical Behavior of Diamond and other Forms of Carbon: Volume 383 PDF Download

Author: David B. Bogy
Publisher: Materials Research Society
ISBN: 9781558992863
Category : Technology & Engineering
Languages : en
Pages : 474

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Book Description
Scientists from various disciplines, including diamond synthesis, mechanics and materials science, come together in this volume to assess the current understanding of the mechanical behavior of diamond and other forms of carbon. Mechanical characterization of these materials is complicated by many of diamond's extreme physical properties, such as high hardness and Young's modulus, with a low thermal expansion coefficient. In addition, the interpretation of mechanical property data requires careful consideration of the presence of defects and microstructure. The role of structure is emphasized. Topics include: processing and structure; elastic properties and deformation; residual stresses; fracture and adhesion; friction and wear and applications.

Author:
Publisher:
ISBN:
Category : Carbon
Languages : en
Pages : 504

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Book Description

Author: Società italiana di fisica
Publisher: IOS Press
ISBN: 1614992207
Category : Science
Languages : en
Pages : 635

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Book Description
Diamond is an extreme material among possible atomic aggregations in nature, and as such has many extreme properties. This unique position makes it a fascinating subject both for science and for applications. This has been particularly true in recent years, since the surprising discovery at Union Carbide (1953) of the possibility of chemical vapour deposition of diamond films at low pressures, where diamond is metastable with respect to graphite. This discovery cleared the way to the development of economical deposition techniques that have been obtaining progressively better-quality diamond, both pure and doped, in a controlled way and for a variety of applications. The remarkable properties and applications range from mechanical (the extreme hardness, tensile and compressive strength, wear performance) to thermal (the highest conductivity), optical (wide range of transparency), chemical (inertness to most chemicals), biological (biocompatibility) and electronic (high electronic carrier mobility, large band gap and dielectric breakdown strength, negative electron affinity), with the simultaneous presence of so many extraordinary qualities often resulting in added value for a given application.We are presently at a turning point in the development of diamond physics and applications. While some achievements can be considered well established, on the other hand, new opportunities and challenges are facing the scientific community, particularly with regard to novel exciting deposition processes and techniques or new properties and applications in electronics. This Enrico Fermi Course on "The Physics of Diamond" is particularly focused on the new developments and prospects, which may well constitute a reference point for a new generation of scientists at what may possibly be the beginning of a new age in diamond. The course attracted several of the most distinguished experts in the field as lecturers and an audience of almost as distinguished students and observers from 19 countries. Participation and discussions were lively to the very last day, ranging from traditional diamond physics to new diamond physics, and from well-known applications to the new exciting opportunities.The material in this volume is organized in the following way: the first part (13 lectures) is essentially devoted to growth and structure, the second part to properties and applications, with a closing lecture exploring new exotic diamonds in the distant future. The earlier lectures extensively cover the many processes of plasma chemical vapour deposition, including advanced contributions in theoretical modelling of these processes. Novel deposition mechanisms are considered: low-temperature CVD and laser-activated processes, including the so-called QQC experiments. This first part closes with a discussion of amorphous phases. In the second part, particular emphasis is placed on electronic properties and applications. This includes an extensive discussion of doping and, in addition, the promising perspectives of diamond as an electron emitter. Its newly discovered remarkable electron affinity properties lead to a new dimension in research and development, of great strategical importance for an increasing role of diamond in electronics.

Author: Thomas B. Brill
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 478

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Book Description
Energetic materials are distinguished from other materials primarily by the fact that rapid, exothermic reactions can be induced with the release of gaseous products. This complex phenomenon cuts across many boundaries of chemistry (synthesis, kinetics, thermodynamics, spectroscopy, quantum and molecular dynamics calculations, etc.) and engineering physics (shock and detonation waves, hydrodynamics, fracture and solid mechanics, defects, etc.). This volume offers the latest chemistry advancements in understanding the complex dynamic processes in these materials in the condensed phase. The focus is on fundamental research into the rates and pathways of rapid exothermic reactions, product specification, diagnostic methods, molecular processes of energy transfer, and molecular processes at extreme pressure and temperature. Many novel materials are discussed.

Author: Rüdiger Bormann
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 392

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Book Description
Materials with metastable structures and microstructures have been used with success to create unusual structural and functional properties and property combinations. Highly nonequilibrium technologies for creating metastable materials have been devised which allow materials to be prepared far away from the thermodynamic equilibrium. Using these methods, materials can now be designed to possess specific properties tailored to fit an application, rather than fitting an application to the properties of available materials. However, as these materials are metastable with respect to structural and compositional changes under temperature, there is great concern for understanding and controlling their limitations. This book features both fundamental as well as applied aspects of the subject by stressing the structure/property relationships, the conditions for stability of these materials, and the requirements for technological applications. In addition to the synthesis, processing, characterization, properties, and applications of such materials, attention is also focused on the modelling of structures, phenomena and processes. Topics include: synthesis and processing; thermodynamic and kinetics; phase transformations and properties and applications.

Author: Eric D. Jones
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 450

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Book Description
While the effects of spontaneous ordering or composition modulation on the properties of semiconductors and optoelectronic devices have been studied with great interest over the past several years, an understanding of the physics and chemistry of these two related phenomena is still in its infancy. This book brings together researchers from around the world to address issues concerning the physics, chemistry and growth parameters for spontaneous ordering and composition modulation. Developments in the use of artificial patterning to obtain new structured materials on a microscopic scale are featured. Advances in characterization techniques are also presented. Topics include: spontaneous ordering; self-assembled structures and quantum dots; self-organized epitaxial structures; composition modulation studies and optoelectronic materials.

Author: Aloysius F. Hepp
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 512

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Book Description
In years prior, there has been considerable research activity in an exciting class of materials - non-oxide covalent ceramics. These nitrides, carbides, sulfides and related materials have found a wide range of use, from electronics to aerospace/defense, optical sensors and devices, and mechanical/structural applications. In this book, the third in a continuing series, chemists, physicists, ceramists and materials scientists and engineers from around the world come together to share research and highlight recent advances in non-oxide materials. In contrast to its predecessors, the focus of the volume is less on production and fabrication, and more on applications and properties. Topics include: non-oxides for electronics and optoelectronics; preparation of bulk non-oxide ceramics; science of covalent ceramics - bonding, structure and microstructure; fabrication of covalent ceramic thin films; and technology of covalent ceramics - surfaces, composites and processing.

Author: James S. Im
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 714

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Book Description
The emphasis of this book is on the quantitative analysis of transformation kinetics, integrated with thermodynamics. Solidification is a success story for quantitative kinetics analysis. The work reported concentrates on phase selection under extreme processing - large undercooling or ultrarapid quenching - of the liquid. Theoretical treatments are concerned mainly with the analysis of morphological instabilities during directional solidification at more conventional rates. The coverage of particle-beam effects is distinguished by the materials studied: alkali halides, minerals, semiconductors and metals. The thermodynamics of interfaces are a particular focus, especially in connection with the solid-state formation of amorphous phases. A highlight of the book is the coverage of the Johnson-Mehl-Avrami-Kolmogorov analysis of overall transformation kinetics. This venerable treatment is revisited and new insights and limitations are explored. Topics include: transformations in undercooled liquids; directional solidification; particle beam-induced transformations; interfaces - thermodynamics and reactions; amorphous materials - structure and transformations; solid-state transformations and ordering and phase separation.

Author: Eugene Fitzgerald
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 552

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Book Description
An interdisciplinary discussion of key materials issues and controversies in strained layer epitaxy is presented in this new volume from MRS. Research involving GeSi alloys and Si:C alloys are well represented. In the case of GeSi alloys, utilizing both strained and relaxed structures appears to be a strong component of the current research. Applications, devices and synthesis of improved relaxed and strained materials are featured. Special efforts to integrate the III-V and IV communities were also made during this symposium, and those efforts are reflected in the proceedings volume as well. Results on compositional graded layers in both the GeSi and III-V materials systems are presented. Topics include: general issues; ordering/low dimensional structures; characterization; device applications; growth of Si-based materials; and growth of compound semiconductors.

Author: David L. Dreifus
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 504

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Book Description