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Determination And Optimization Of Mechanical Properties Of Wood Plastic Composite Materials Through Micromechanical Approach
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Book Synopsis Determination and Optimization of Mechanical Properties of Wood-plastic Composite Materials Through Micromechanical Approach by : Aleš Hančič
Download or read book Determination and Optimization of Mechanical Properties of Wood-plastic Composite Materials Through Micromechanical Approach written by Aleš Hančič and published by . This book was released on 2012 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wood-Polymer Composites by : K O Niska
Download or read book Wood-Polymer Composites written by K O Niska and published by Elsevier. This book was released on 2008-05-29 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood-polymer composites (WPC) are materials in which wood is impregnated with monomers that are then polymerised in the wood to tailor the material for special applications. The resulting properties of these materials, from lightness and enhanced mechanical properties to greater sustainability, has meant a growing number of applications in such areas as building, construction and automotive engineering. This important book reviews the manufacture of wood-polymer composites, how their properties can be assessed and improved and their range of uses.After an introductory chapter, the book reviews key aspects of manufacture, including raw materials, manufacturing technologies and interactions between wood and synthetic polymers. Building on this foundation, the following group of chapters discusses mechanical and other properties such as durability, creep behaviour and processing performance. The book concludes by looking at orientated wood-polymer composites, wood-polymer composite foams, at ways of assessing performance and at the range of current and future applications.With its distinguished editors and international team of contributors, Wood-polymer composites is a valuable reference for all those using and studying these important materials. Provides a comprehensive survey of major new developments in wood-polymer composites Reviews the key aspects of manufacture, including raw materials and manufacturing technologies Discusses properties such as durability, creep behaviour and processing performance
Book Synopsis Wood-Plastic Composites by : Anatole A. Klyosov
Download or read book Wood-Plastic Composites written by Anatole A. Klyosov and published by John Wiley & Sons. This book was released on 2007-08-31 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive, practical guide to wood-plastic composites and their properties This is the first book that presents an overview of the main principles underlying the composition of wood-plastic composite (WPC) materials and their performance in the real world. Focusing on the characteristics of WPC materials rather than their manufacture, this guide bridges the gap between laboratory-based research and testing and the properties WPC materials exhibit when they're used in decks, railing systems, fences, and other common applications. Complete with practical examples and case studies, this guide: Describes compositions of WPC materials, including thermoplastics, cellulose fiber, minerals, additives, and their properties Covers mechanical properties, microbial resistance, water absorption, flammability, slip resistance, thermal expansion-contraction, sensitivity to oxidation and solar radiation, and rheological properties of hot melts of WPC Covers subjects that determine esthetics, properties, performance, and durability of wood-plastic composite products Includes comparisons of different ASTM methods and procedures that apply to specific properties This is a comprehensive, hands-on reference for scientists, engineers, and researchers working with wood-plastic composites in plastics and polymers, materials science, microbiology, rheology, plastic technology, and chemical engineering, as well as an outstanding text for graduate students in these disciplines. It's also an excellent resource for suppliers and WPC manufacturers, and an accessible guide for developers, homebuilders, and landscape architects who want to know more about wood-plastic composites and their performance in the real world.
Book Synopsis Prediction of Mechanical and Thermal Properties of Wood Plastic Composites Through Theoretical and Mathematical Modelling by : Ritu Gupta
Download or read book Prediction of Mechanical and Thermal Properties of Wood Plastic Composites Through Theoretical and Mathematical Modelling written by Ritu Gupta and published by . This book was released on 2014 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood plastic composites (WPC) have emerged as new option for composites in the composite industry. WPC have been accepted globally due to their remarkable advantages compared to synthetic fiber composites. In order to manufacture WPC with specific properties and quality, the industries at present employ trial-and-error method. Besides taking up a lot of time, a significant amount of materials is wasted with this method. However, this problem can be reduced to some extent through the use of simulation models for the prediction of the properties in the composites. Modeling and simulation allow users to visualize the effects of the parameters that are especially challenging for comprehension. In addition, the properties of WPC are dependent on the processing conditions. Hence, there are many parameters involved in the manufacturing process. Some of these parameters are important and are included in the simulation model to study and to understand their effects on the final WPC product. Thus, an integrated simulation model has been proposed to predict the thermal and the mechanical properties of WPC, which comprised of three main modules: a) the heat transfer model, b) the mechanical model, and c) the empirical model. The heat transfer model predicts the profile of temperature and the degree of cure via Melt Flow Index (MFI) and Young's modulus for every layer during hot compression molding. Besides, a finite difference method was used to estimate the changes in the temperature in WPC during the compression molding process. Next, the mechanical model predicts the mechanical properties, such as Young's modulus and tensile strength. Lastly, an empirical model to predict the Young's modulus and the tensile strength based on the effects of the coupling agents. All the three models were validated with experimental results. The simulation model for heat transfer inside the board predicted the changes in temperature and the curing index of the composite across the thickness during the compression molding process. The proposed mechanical model successfully predicted the changes in tensile strength and Young's modulus with changes in the percentage of wood fiber. Furthermore, wood fiber was considered as a natural resource with nonuniform properties, as far as this study was concerned. Thus, the changes in the mechanical strength of WPC were predicted as the changes in the properties of wood fibers involved reduction in void volume, alkalization, and variations in moisture content. Moreover, the empirical model predicted the mechanical properties as a function of seven individual parameters for composites that were made of four types of fibers (Jute, Abaca, Hemp, and Pine) and Polypropylene. This model had been found helpful in predicting the effects of coupling agents on the mechanical strength of the composite. Therefore, this integrated research work with GUI should be able to aid the industry and the researchers concerning WPC.
Book Synopsis Engineering Mechanics of Composite Materials by : Isaac M. Daniel
Download or read book Engineering Mechanics of Composite Materials written by Isaac M. Daniel and published by . This book was released on 2007 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wood-Plastics Composites (WPC). Characterisation of WPC Materials by : British Standards Institute Staff
Download or read book Wood-Plastics Composites (WPC). Characterisation of WPC Materials written by British Standards Institute Staff and published by . This book was released on 2007-06-29 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood, Plastics, Composite materials, Cellulose, Wood fibres, Thermoplastic polymers, Physical properties of materials, Mechanical properties of materials, Thermal properties of materials, Fire resistance, Durability
Book Synopsis Process–Structure–Properties in Polymer Additive Manufacturing by : Swee Leong Sing
Download or read book Process–Structure–Properties in Polymer Additive Manufacturing written by Swee Leong Sing and published by MDPI. This book was released on 2021-09-01 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Additive manufacturing (AM) methods have grown and evolved rapidly in recent years. AM for polymers is an exciting field and has great potential in transformative and translational research in many fields, such as biomedical, aerospace, and even electronics. Current methods for polymer AM include material extrusion, material jetting, vat polymerisation, and powder bed fusion. With the promise of more applications, detailed understanding of AM—from the processability of the feedstock to the relationship between the process–structure–properties of AM parts—has become more critical. More research work is needed in material development to widen the choice of materials for polymer additive manufacturing. Modelling and simulations of the process will allow the prediction of microstructures and mechanical properties of the fabricated parts while complementing the understanding of the physical phenomena that occurs during the AM processes. In this book, state-of-the-art reviews and current research are collated, which focus on the process–structure–properties relationships in polymer additive manufacturing.
Book Synopsis Direct Coupling of Imaging to Morphology-based Numerical Modeling as a Tool for Mechanics Analysis of Wood Plastic Composites by : Xiang Lin
Download or read book Direct Coupling of Imaging to Morphology-based Numerical Modeling as a Tool for Mechanics Analysis of Wood Plastic Composites written by Xiang Lin and published by . This book was released on 2012 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymeric composites reinforced with bio-materials have advantages over composites with synthetic reinforcements. Bio-based composites use low-cost and renewable reinforcements, have nonabrasive properties for machining, have improved damping characteristics, and have potential for energy recycling. However, the limited use of bio-based composites is because their mechanical properties are typically much lower than those of synthetic composites. The objective of this study was to combine state-of-the-art imaging tools with emerging numerical modeling methods for an integrated, multi-level characterization of bio-based reinforcements and their composites. Digital photography (2D) will allow collection of full-field digital images of the surface of sample composites, which will be used for characterization of the morphological structure of fillers (copper wire or wood particle) and of model composites. Mechanical experiments (tension load) on isolated fillers and on model composites will allow imaging of the deformed material. By correlating relative positions of thousands of surface features between consecutive images, digital image correlation (DIC) algorithms can be used to map surface deformation fields and calculate surface strain fields. Digital imaging methods can only record deformations and strains. The interpretation of those strains in terms of material properties, such as position-dependent modulus of a heterogeneous composite material, requires simultaneous modeling. The modeling must use morphology-based methods that can handle anisotropy, heterogeneity, and the complex structure of bio-based composites such as wood plastic composites. This research used the material point method (MPM) as a modeling tool. MPM is a particle-based, meshless method for solving problems in computational mechanics. The crucial advantage of MPM over other methods is the relative ease of translating pixels from digital images into material points in the analysis. Thus digital images (2D) used in our experiments were used as direct input to the MPM software, so that the actual morphologies, rather than idealized geometries, were modeled. This procedure removes typical uncertainties connected with idealization of the internal features of modeled materials. It also removes variability of specimen to specimen due to morphology variations. Full-field imaging techniques and computer modeling methods for analysis of complex materials have developed independently. This research Coupled imaging and modeling and used inverse problem methodology for studying bio-particulate composites. The potential of coupling experiments with morphology-based modeling is a relatively new area. This work studied the morphology and mechanical properties of copper wire (for validation experiments) and wood particles used for reinforcement in polymer composites. The goal was to determine the in situ mechanical and interfacial properties of copper wire and then wood particles. By comparison of DIC results to MPM, the conclusion is MPM simulation works well by simulating 3D composite structure and using Matlab software to do qualitative and quantitative comparisons. Copper validation tests showed that copper wire is too stiff compared to polymer such that the inclusion modulus had low effect on the surface strains (DIC experimental results). Wood particle worked better because modulus of wood is much lower than copper. By qualitative comparison of the wood particle specimens, we could deduce that the in situ properties of wood particles are lower than bulk wood. Quantitative analysis concentrated on small area and got more exact results. In a 90 degree particle quantitative study, MPM simulations were shown to be capable of tracking the structure of wood particle plastic, which involved failure. The entire approach, however, is not very robust. We can get some results for mechanical properties, but it does not seem possible to extract all anisotropic properties from a few DIC tests, as some researcher have suggested.
Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Theory of Composites by : Graeme W. Milton
Download or read book The Theory of Composites written by Graeme W. Milton and published by SIAM. This book was released on 2022-12-07 with total page 761 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composites have been studied for more than 150 years, and interest in their properties has been growing. This classic volume provides the foundations for understanding a broad range of composite properties, including electrical, magnetic, electromagnetic, elastic and viscoelastic, piezoelectric, thermal, fluid flow through porous materials, thermoelectric, pyroelectric, magnetoelectric, and conduction in the presence of a magnetic field (Hall effect). Exact solutions of the PDEs in model geometries provide one avenue of understanding composites; other avenues include microstructure-independent exact relations satisfied by effective moduli, for which the general theory is reviewed; approximation formulae for effective moduli; and series expansions for the fields and effective moduli that are the basis of numerical methods for computing these fields and moduli. The range of properties that composites can exhibit can be explored either through the model geometries or through microstructure-independent bounds on the properties. These bounds are obtained through variational principles, analytic methods, and Hilbert space approaches. Most interesting is when the properties of the composite are unlike those of the constituent materials, and there has been an explosion of interest in such composites, now known as metamaterials. The Theory of Composites surveys these aspects, among others, and complements the new body of literature that has emerged since the book was written. It remains relevant today by providing historical background, a compendium of numerous results, and through elucidating many of the tools still used today in the analysis of composite properties. This book is intended for applied mathematicians, physicists, and electrical and mechanical engineers. It will also be of interest to graduate students.
Book Synopsis Mechanics of Composite Materials by : Autar K. Kaw
Download or read book Mechanics of Composite Materials written by Autar K. Kaw and published by CRC Press. This book was released on 2005-11-02 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1997, Dr. Kaw introduced the first edition of Mechanics of Composite Materials, receiving high praise for its comprehensive scope and detailed examples. He also introduced the groundbreaking PROMAL software, a valuable tool for designing and analyzing structures made of composite materials. Updated and expanded to reflect recent advances in the
Book Synopsis Composite Materials by : Kamal K. Kar
Download or read book Composite Materials written by Kamal K. Kar and published by Springer. This book was released on 2016-10-14 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composite materials are used as substitutions of metals/traditional materials in aerospace, automotive, civil, mechanical and other industries. The present book collects the current knowledge and recent developments in the characterization and application of composite materials. To this purpose the volume describes the outstanding properties of this class of advanced material which recommend it for various industrial applications.
Download or read book Physics Briefs written by and published by . This book was released on 1991 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbon Nanotube-Polymer Composites by : Dimitrios Tasis
Download or read book Carbon Nanotube-Polymer Composites written by Dimitrios Tasis and published by Royal Society of Chemistry. This book was released on 2015-11-09 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemically-modified carbon nanotubes (CNTs) exhibit a wide range of physical and chemical properties which makes them an attractive starting material for the preparation of super-strong and highly-conductive fibres and films. Much information is available across the primary literature, making it difficult to obtain an overall picture of the state-of-the-art. This volume brings together some of the leading researchers in the field from across the globe to present the potential these materials have, not only in developing and characterising novel materials but also the devices which can be fabricated from them. Topics featured in the book include Raman characterisation, industrial polymer materials, actuators and sensors and polymer reinforcement, with chapters prepared by highly-cited authors from across the globe. A valuable handbook for any academic or industrial laboratory, this book will appeal to newcomers to the field and established researchers alike.
Book Synopsis Heat Transfer in Polymer Composite Materials by : Nicolas Boyard
Download or read book Heat Transfer in Polymer Composite Materials written by Nicolas Boyard and published by John Wiley & Sons. This book was released on 2016-03-28 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses general information, good practices and examples about thermo-physical properties, thermo-kinetic and thermo-mechanical couplings, instrumentation in thermal science, thermal optimization and infrared radiation.
Book Synopsis Composite Materials by : Krishan K. Chawla
Download or read book Composite Materials written by Krishan K. Chawla and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on the relationship between structure and properties, this is a well-balanced treatment of the mechanics and the materials science of composites, while not neglecting the importance of processing. This updated second edition contains new chapters on fatigue and creep of composites, and describes in detail how the various reinforcements, the materials in which they are embedded, and of the interfaces between them, control the properties of the composite materials at both the micro- and macro-levels. Extensive use is made of micrographs and line drawings, and examples of practical applications in various fields are given throughout the book, together with extensive references to the literature. Intended for use in graduate and upper-division undergraduate courses, this book will also prove a useful reference for practising engineers and researchers in industry and academia.
Book Synopsis Continuum Micromechanics by : P. Suquet
Download or read book Continuum Micromechanics written by P. Suquet and published by Springer. This book was released on 2014-05-04 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the most recent progress of fundamental nature made in the new developed field of micromechanics: transformation field analysis, variational bounds for nonlinear composites, higher-order gradients in micromechanical damage models, dynamics of composites, pattern based variational bounds.
