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Materials Syntheses

Materials Syntheses PDF Author: Ulrich Schubert
Publisher: Springer Science & Business Media
ISBN: 3211751254
Category : Technology & Engineering
Languages : en
Pages : 220

Book Description
Materials syntheses are more complex than syntheses of inorganic or organic compounds. Materials synthesis protocols often suffer from unclarities, irreproducibility, lack in detail and lack in standards. The need to change this situation is the main motivation for this book. It collects a number of detailed protocols, ranging from organic polymers to carbonaceous and ceramic materials, from gels to porous and layered materials and from powders and nanoparticles to films.

Materials Syntheses

Materials Syntheses PDF Author: Ulrich Schubert
Publisher: Springer Science & Business Media
ISBN: 3211751254
Category : Technology & Engineering
Languages : en
Pages : 220

Book Description
Materials syntheses are more complex than syntheses of inorganic or organic compounds. Materials synthesis protocols often suffer from unclarities, irreproducibility, lack in detail and lack in standards. The need to change this situation is the main motivation for this book. It collects a number of detailed protocols, ranging from organic polymers to carbonaceous and ceramic materials, from gels to porous and layered materials and from powders and nanoparticles to films.

Sol-Gel Materials

Sol-Gel Materials PDF Author: John D. Wright
Publisher: CRC Press
ISBN: 1482283166
Category : Science
Languages : en
Pages : 136

Book Description
Sol-Gel processing methods, first used historically for decorative and constructional materials, were extensively developed in the last century for applications such as glasses, ceramics, catalysts, coatings, composites and fibres. Today they are reaching their full potential, enabling the preparation of new generations of advanced materials not easily accessible by other methods yet using mild, low-energy conditions. The topic is therefore increasingly included in advanced undergraduate, MSc and PhD programmes in the areas of chemistry, physics and materials science. This concise introductory text, written at the advanced undergraduate/first-year postgraduate level, is also suitable as an introduction to the development, mechanisms, chemistry, characterisation methods and applications of the technique. It provides readers with an extensive yet concise grounding in the theory of each area of the subject and details the real and potential applications and the future prospects of sol-gel chemistry.

Numerical Methods in Contact Mechanics

Numerical Methods in Contact Mechanics PDF Author: Vladislav A. Yastrebov
Publisher: John Wiley & Sons
ISBN: 1118648056
Category : Mathematics
Languages : en
Pages : 303

Book Description
Computational contact mechanics is a broad topic which brings together algorithmic, geometrical, optimization and numerical aspects for a robust, fast and accurate treatment of contact problems. This book covers all the basic ingredients of contact and computational contact mechanics: from efficient contact detection algorithms and classical optimization methods to new developments in contact kinematics and resolution schemes for both sequential and parallel computer architectures. The book is self-contained and intended for people working on the implementation and improvement of contact algorithms in a finite element software. Using a new tensor algebra, the authors introduce some original notions in contact kinematics and extend the classical formulation of contact elements. Some classical and new resolution methods for contact problems and associated ready-to-implement expressions are provided. Contents: 1. Introduction to Computational Contact. 2. Geometry in Contact Mechanics. 3. Contact Detection. 4. Formulation of Contact Problems. 5. Numerical Procedures. 6. Numerical Examples. About the Authors Vladislav A. Yastrebov is a postdoctoral-fellow in Computational Solid Mechanics at MINES ParisTech in France. His work in computational contact mechanics was recognized by the CSMA award and by the Prix Paul Caseau of the French Academy of Technology and Electricité de France.

Characterizations of Some Composite Materials

Characterizations of Some Composite Materials PDF Author: Hosam El-Din M. Saleh
Publisher: BoD – Books on Demand
ISBN: 178984911X
Category : Technology & Engineering
Languages : en
Pages : 166

Book Description
Composite materials are materials made from two or more constituents with significantly different physical or chemical properties; when combined, a new material with characteristics different from the individual components is produced, while the individual components remain separate and distinct within the finished structure. The new composite material often displays many beneficial characteristics; in many cases, composites are stronger, of lower density, or less costly in comparison to established materials. Based on the classification of composites, we are already familiar with the fact that there exists a myriad of different types of these materials. It is a common saying that different types of composites differ in their performance. Yet, composites also have some characteristics in common. The proper material choice for an envisaged application is of outstanding importance and key in the development of a new product. Selecting the most suitable material determines the performance and characterization of the final product whether it will meet the designated function and performance requirements. The present book "Characterizations of some composite materials" contains eight selected chapters, starting with a general introductory chapter on composite materials, and covers different aspects in characterizing some composite materials. In this context, the present book is considered an appropriate way to communicate the advances in characterization of some composite materials to the scientific community. Chemists, scientists, and researchers from related areas, and undergraduates involved in materials issues and interested in approaches to improve the quality of life, as well as people from industry could find this book to be an inspiring and effective guide.

Recent Developments in Polymer Macro, Micro and Nano Blends

Recent Developments in Polymer Macro, Micro and Nano Blends PDF Author: P.M. Visakh
Publisher: Woodhead Publishing
ISBN: 0081004273
Category : Technology & Engineering
Languages : en
Pages : 344

Book Description
Recent Developments in Polymer Macro, Micro and Nano Blends: Preparation and Characterisation discusses the various types of techniques that are currently used for the characterization of polymer-based macro, micro, and nano blends. It summarizes recent technical research accomplishments, emphasizing a broad range of characterization methods. In addition, the book discusses preparation methods and applications for various types of polymer-based macro, micro, and nano blends. Chapters include thermoplastic-based polymer & nano blends, applications of rubber based and thermoplastic blends, micro/nanostructures polymer blends containing block copolymers, advances in polymer-inorganic hybrids as membrane materials, synthesis of polymer/inorganic hybrids through heterophase polymerizations, nanoporous polymer foams from nanostructured polymer blends, and natural polymeric biodegradable nano blends for protein delivery. - Describes the techniques pertaining to a kind (or small number) of blends, showing specific examples of their applications - Covers micro, macro, and nano polymer blends - Contains contributions from leading experts in the field

Carbon Composites

Carbon Composites PDF Author: Deborah D.L. Chung
Publisher: Butterworth-Heinemann
ISBN: 0128028807
Category : Technology & Engineering
Languages : en
Pages : 708

Book Description
Carbon Composites: Composites with Carbon Fibers, Nanofibers, and Nanotubes, Second Edition, provides the reader with information on a wide range of carbon fiber composites, including polymer-matrix, metal-matrix, carbon-matrix, ceramic-matrix and cement-matrix composites. In contrast to other books on composites, this work emphasizes materials rather than mechanics. This emphasis reflects the key role of materials science and engineering in the development of composite materials. The applications focus of the book covers both the developing range of structural applications for carbon fiber composites, including military and civil aircraft, automobiles and construction, and non-structural applications, including electromagnetic shielding, sensing/monitoring, vibration damping, energy storage, energy generation, and deicing. In addition to these new application areas, new material in this updated edition includes coverage of cement-matrix composites, carbon nanofibers, carbon matrix precursors, fiber surface treatment, nanocarbons, and hierarchical composites. An ideal source of information for senior undergraduate students, graduate students, and professionals working with composite materials and carbon fibers, this book can be used both as a reference book and as a textbook. Introduces the entire spectrum of carbon fiber composites, including polymer-matrix, metal-matrix, carbon-matrix, ceramic-matrix and cement-matrix composites Systematically sets out the processing, properties, and applications of each type of material Emphasizes processing as the foundation of understanding, manufacturing, and designing with composite materials

Carbon Fiber Composites

Carbon Fiber Composites PDF Author: Deborah Chung
Publisher: Elsevier
ISBN: 0080500730
Category : Technology & Engineering
Languages : en
Pages : 229

Book Description
In Carbon Fiber Composites, the reader is introduced to a wide range of carbon fiber composites, including polymer-matrix, metal matrix, carbon-matrix, ceramic-matrix and hybrid composites. The subject is examined in a tutorial fashion, so that no prior knowledge of the field is required. In contrast to other books on composites, this book emphasizes materials rather than mechanics, as the prominence of composite materials has resulted from their increased presence in applications other than structure. - Provides up-to-date information on the entire spectrum of carbon fiber composites - Emphasizes processing as the foundation of composite materials development - Addresses the processing, properties and applications of each type of material systematically

Thermal Effects on the Mechanical Properties of SiC Fiber Reinforced Reaction Bonded Silicon Nitride Matrix (SiC/RBSN) Composites

Thermal Effects on the Mechanical Properties of SiC Fiber Reinforced Reaction Bonded Silicon Nitride Matrix (SiC/RBSN) Composites PDF Author: R. T. Bhatt
Publisher:
ISBN:
Category :
Languages : en
Pages : 20

Book Description
The elevated temperature four-point flexural strength and the room temperature tensile and flexural strength properties after thermal shock were measured for ceramic composites consisting of 30 vol % uniaxially aligned 142 microns diameter SiC fibers in a reaction bonded Si3N4 matrix. The elevated temperature strengths were measured after 15 min of exposure in air at temperatures to 1400 C. The thermal shock treatment was accomplished by heating the composite in air for 15 min at temperatures to 1200 C and then quenching in water at 25 C. The results indicate no significant loss in strength properties either at temperature or after thermal shock when compared with the strength data for composites in the as-fabricated condition. (jes).

Silicon Effects on Properties of Melt Infiltrated SiC/SiC Composites

Silicon Effects on Properties of Melt Infiltrated SiC/SiC Composites PDF Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721206414
Category :
Languages : en
Pages : 28

Book Description
Silicon effects on tensile and creep properties, and thermal conductivity of Hi-Nicalon SiC/SiC composites have been investigated. The composites consist of 8 layers of 5HS 2-D woven preforms of BN/SiC coated Hi-Nicalon fiber mats and a silicon matrix, or a mixture of silicon matrix and SiC particles. The Hi-Nicalon SiC/silicon and Hi-Nicalon SiC/SiC composites contained about 24 and 13 vol% silicon, respectively. Results indicate residual silicon up to 24 vol% has no significant effect on creep and thermal conductivity, but does decrease the primary elastic modulus and stress corresponding to deviation from linear stress-strain behavior. Bhatt, Ramakrishna T. and Gyekenyesi, John Z. and Hurst, Janet B. Glenn Research Center NASA/TM-2000-210034, E-12231, NAS 1.15:210034

Structural Composite Materials

Structural Composite Materials PDF Author: Satish Babu Boppana
Publisher: Springer Nature
ISBN: 9819959829
Category : Technology & Engineering
Languages : en
Pages : 278

Book Description
This book covers topics related to structural composite materials such as processing, characterization, applications and challenges. The book presents ways of processing composites, where different types of composites can be processed depending on the type of reinforcement and matrix. It also outlines the evaluation of mechanical properties of a few processed composites and discusses the potential applications of composites and machining challenges faced in processing polymer and ceramic composites. The book caters to material scientists, industrial practitioners, researchers and students working on structural composite materials.